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{{Short description|American multinational computational software company}}
{{Infobox company
| name = Cadence Design Systems, Inc.
| logo =
| logo_upright = 1.15
| image = CadenceHQ.jpg
| image_upright = 1.15
| image_caption = Headquarters in San Jose, California
| type = [[Public company|Public]]
| traded_as = {{ubl|{{NASDAQ|CDNS}}|[[Nasdaq-100]] component|[[S&P 500]] component}}
| industry = [[Software]]
| predecessors = {{ubl|Solomon Design Automation| [[ECAD, Inc.]]}}
| founded = {{Start date and age|1983}} in San Jose, California as Solomon Design Automation (SDA), renamed Cadence Design Systems in 1988
| founders = {{ubl|[[James Solomon]]|[[A. Richard Newton|Richard Newton]]|[[Alberto Sangiovanni-Vincentelli]]}}
| key_people = [[Anirudh Devgan]] ([[President (corporate title)|president]], [[Chief executive officer|CEO]])
| revenue = {{increase}} {{US$|4.64 billion|link=yes}} (2024)
| operating_income = {{increase}} US$1.35 billion (2024)
| net_income = {{increase}} US$1.06 billion (2024)
| assets = {{increase}} US$8.97 billion (2024)
| equity = {{increase}} US$4.67 billion (2024)
| num_employees = {{approx.|11,700}} (December 2024)
| hq_location = {{nowrap|[[San Jose, California]], U.S.}}
| website = {{URL|https://www.cadence.com/|cadence.com}}
| footnotes = <ref name=AnnualR2024>{{cite web|title=Cadence Design Systems, Inc. 2024 Annual Report |url=https://www.sec.gov/Archives/edgar/data/813672/000081367225000024/cdns-20241231.htm |date=February 21, 2025 |publisher=[[U.S. Securities and Exchange Commission]]}}</ref>
}}
'''Cadence Design Systems, Inc.''' (stylized as '''cādence''')<ref name="OriginalRef_Staff_investors">Investor's Business Daily [https://www.investors.com/news/management/leaders-and-success/cadence-ceo-lip-bu-tan-builds-once-troubled-cadence-into-long-term-leader/ CEO Lip-Bu Tan Molds Troubled Cadence Into Long-Term Leader] Retrieved November 12, 2020</ref> is an American [[multinational corporation|multinational]] technology and computational software company<ref name="OriginalRef_StreetStaff1_thestree.com"/> headquartered in [[San Jose, California]].<ref name="OriginalRef_Staff_investors"/> <!--Cadence was formed in 1988 through the merger of SDA Systems and [[ECAD, Inc.|ECAD]].<ref name="OriginalRef_StreetStaff1_thestree.com"/> --> Initially specialized in [[Electronic design automation|electronic design automation (EDA)]] software for the semiconductor industry,<ref name="OriginalRef_NYTStaff1_nytimes.com"/> currently the company makes [[software]] and [[Electronic hardware|hardware]] for designing products such as [[integrated circuit]]s, [[System on chip|systems on chip]]s (SoCs), [[printed circuit board]]s,<ref name="OriginalRef_StreetStaff1_thestree.com">The Street [https://www.thestreet.com/tech/news/cadence072120 How Cadence Designs the Future] Retrieved July 21, 2020</ref> and [[pharmaceutical drugs]], also licensing [[intellectual property]] for the electronics, aerospace, defense and automotive industries.<ref name="OriginalRef_VItu_santafenewmexican.com"/>
==History==
===1983–1999===
Founded in 1983 in [[San Jose, California]],<ref name="OriginalRef_Sorkin_nytim.com"/> Cadence Design Systems began as an [[Electronic design automation|electronic design automation (EDA)]] company named Solomon Design Automation (SDA).<ref name="OriginalRef_NYTStaff1_nytimes.com"/> SDA's cofounders included [[James Solomon]], [[A. Richard Newton|Richard Newton]],<ref name="OriginalRef_NYTStaff1_nytimes.com"/> and [[Alberto Sangiovanni-Vincentelli]].<ref name="OriginalRef_NYTStaff1_nytimes.com"/><ref>{{Cite web|url=https://www.eetimes.com/author.asp?section_id=67&doc_id=1285941|title=Alberto Sangiovanni-Vincentelli receives EDAA Lifetime Achievement Award|last=Bailey|first=Brian|date=December 20, 2017|website=EE Times}}</ref> Cadence was formed by the merger of SDA and [[ECAD, Inc.|ECAD]]. A public company,<ref name="OriginalRef_NYTStaff1_nytimes.com"/> ECAD had been co-founded by Ping Chao, Glen Antle, and Paul Huang in 1982.<ref name="OriginalRef_NYTStaff1_nytimes.com"/>{{Not in source|date=March 2024}} Cadence Design Systems was officially formed through the 1988 merger of SDA and ECAD,<ref name="OriginalRef_NYTStaff1_nytimes.com"/> with [[Joseph Costello (software executive)|Joseph Costello]] appointed both CEO and president of the newly combined company. After the merger, Cadence began trading on the [[New York Stock Exchange]] and Costello oversaw further mergers and acquisitions.<ref name="OriginalRef_NYTStaff1_nytimes.com">NYTimes [https://www.nytimes.com/1991/10/04/business/business-people-a-fun-chief-at-cadence-is-serious-merger-man.html A Fun Chief at Cadence Is Serious Merger Man] Retrieved October 4, 1991</ref>
In 1989, the company acquired [[Gateway Design Automation]] for $72 million.<ref name="OriginalRef_staff_nytimes.com_gateway"/> In 1990 it acquired Automated Systems Inc., and in doing so added "board design to its existing line of chip design software."<ref name="OriginalRef_Staff4_nytimes.com"/> In 1991, Cadence acquired its rival [[SCALD|Valid Logic Systems]] for around $200 million, its biggest acquisition yet. The revenues of the combined company were $390 million, according to the ''New York Times.''<ref name="OriginalRef_NYTStaff1_nytimes.com"/>
In 1996, Cadence acquired High Level Design Systems,<ref name="Ref_staff10_nytimes.com"/> at which point Cadence had 3,300 employees and $742 million in annual revenue. Following the resignation of Cadence's original CEO Joe Costello in 1997, Jack Harding was appointed CEO.<ref>WSJ [https://www.wsj.com/articles/SB877391809854588000 Cadence's Costello Steps Down As CEO to Join Software Firm] Retrieved October 21, 1997</ref> Ray Bingham was named CEO in 1999.<ref>EETimes [https://www.eetimes.com/harding-replaced-as-cadence-president/ Harding replaced as Cadence president] Retrieved April 27, 1999</ref> Cadence purchased Ambit Design Systems for $260 million, which made tools for [[system-on-a-chip]] technology, in 1998,<ref name="Ref_Nellis2_Reuters.com"/> and [[OrCAD Systems]] in 1999.<ref name="OriginalRef_staff6_eetimes"/> Cadence acquired Quickturn Design Systems in 1999, preventing a [[hostile takeover]] attempt by [[Mentor Graphics]].<ref name="OriginalRef_Staff3_nytimes.com"/>
===2000–2019===
Under urging by executives such as Jim Hogan and executive vice president [[Penny Herscher]], between 2001 and 2003, Cadence purchased a number of implementation tools through acquisition, such as Silicon Perspective, Verplex,<ref name="Ref_staff13_EETImes.com"/> and [[Chenming Hu|Celestry Design]].<ref name="OriginalRef_staff4_edn.com"/> The acquisitions were apparently in part to counter the 2001 purchase of [[Synopsys#Avanti Corporation|Avanti]] by [[Synopsys]], as Synopsys had become their primary market rival.<ref name="Ref_staff13_EETImes.com"/> In 2004, Mike Fister became Cadence's new CEO and president, with Ray Bingham becoming chairman. The former chairman, Donald L. Lucas, remained on the Cadence board.<ref>WSJ [https://www.wsj.com/articles/SB108439313804409685 Intel's Michael Fister Resigns To Take Top Job at Cadence] Retrieved May 13, 2004</ref> Between 2004 and 2007, Cadence purchased four companies, including the software developer [[Rob A. Rutenbar|Verisity]], and in 2006, it spent $1 billion in [[stock buyback]]s.<ref name="OriginalRef_Sorkin_nytim.com"/>
In 2007, Cadence announced it would be introducing a new chip-making process that laid wires diagonally as well as horizontally and vertically. In June 2007, Cadence had a market value of around $6.4 billion. That year, Cadence was rumored to be in talks with [[Kohlberg Kravis Roberts]] and [[Blackstone Group]] regarding a possible sale of the company.<ref name="OriginalRef_Sorkin_nytim.com">[https://www.nytimes.com/2007/06/04/technology/04chip.html Specialized Software Maker Is Said to Be in Buyout Talks], Andrew Ross Sorkin and Michael J. de la Merced, ''The New York Times'', Published: June 4, 2007</ref> Cadence withdrew a $1.6 billion offer to purchase Mentor Graphics in 2008.<ref>{{cite web|url=http://www.cadence.com/cadence/newsroom/press_releases/Pages/pr.aspx?xml=081508_announcement|title=Cadence Withdraws Proposal to Acquire Mentor Graphics}}</ref> Also that year, Cadence's board appointed [[Lip-Bu Tan]] as acting CEO, after the resignation of Mike Fister; Tan had served on the Cadence board of directors since 2004.<ref>IConnect007 [http://design.iconnect007.com/index.php/article/30109/cadence-ceo-mike-fister-resigns/30112/?skin=design Cadence CEO Mike Fister Resigns] Retrieved October 15, 2008</ref> In January 2009, the board of directors of Cadence voted unanimously to confirm Lip-Bu Tan as president and CEO.<ref>EETimes [https://www.eetimes.com/lip-bu-tan-named-cadence-ceo/ Lip-Bu Tan named Cadence CEO] Retrieved January 8, 2009</ref> In 2011, it purchased [[Altos Design Automation]].<ref name="OriginalRef_eetimesstaff3_eetimes.com"/> Subsequent notable acquisitions included [[Cosmic Circuits]]<ref name="OriginalRef_eenewseuropestaff1_eenewseurope.com"/> and [[Tensilica]] in 2013,<ref name="OriginalRef_staff4_eetimes.com"/> [[Forte Design Systems]] in 2014,<ref name="OriginalRef_New_newelectronics.co"/> and the [[AWR Corporation]] in 2019.<ref name="OriginalRef_Staff_bizjournals.com"/>
===2020–2025===
Cadence had 9,300 employees and annual revenue of $3 billion in 2021.<ref name="OriginalRef_VItu_santafenewmexican.com"/> Most of its revenue came from licensing its software and intellectual property.<ref>{{Citation |date=July 22, 2022 |title=Big tech firm Cadence expands to drug simulation software through $500M deal |publisher=MedCity News |url=https://medcitynews.com/2022/07/big-tech-firm-cadence-expands-to-drug-software-simulations-through-500m-deal/ }}</ref> In April 2021, following a ''[[The Washington Post|Washington Post]]'' report on the use of Cadence and [[Synopsys]] technology in the [[People's Liberation Army]]'s [[military-civil fusion]] efforts,<ref>{{Cite news |last1=Nakashima |first1=Ellen |last2=Shih |first2=Gerry |date=April 9, 2021 |title=China builds advanced weapons systems using American chip technology |language=en-US |newspaper=[[The Washington Post]] |url=https://www.washingtonpost.com/national-security/china-hypersonic-missiles-american-technology/2021/04/07/37a6b9be-96fd-11eb-b28d-bfa7bb5cb2a5_story.html |access-date=2023-04-02 |issn=0190-8286}}</ref> U.S. legislators [[Michael McCaul]] and [[Tom Cotton]] requested that the [[United States Department of Commerce]] tighten controls on the sales of semiconductor manufacturing software.<ref>{{Cite web |date=April 15, 2021 |title=McCaul, Cotton Ask Administration to Restrict Sale of Chip-Making Software to China |url=https://foreignaffairs.house.gov/press-release/mccaul-cotton-ask-administration-to-restrict-sale-of-chip-making-software-to-china/ |access-date=2023-04-02 |website=[[United States House Committee on Foreign Affairs]] |language=en}}</ref><ref>{{Cite news |last=De Chant |first=Tim |date=April 16, 2021 |title=Congressmen ask Biden admin to keep chip design software away from China |work=[[Ars Technica]] |url=https://arstechnica.com/tech-policy/2021/04/china-shouldnt-get-us-semiconductor-design-software-congressmen-say/ |access-date=April 2, 2023}}</ref> On December 15, 2021, [[Anirudh Devgan]] assumed the role of Cadence president & CEO, after having been named Cadence president in 2017. Lip-Bu Tan retired as CEO and became executive chairman<ref>Guru Focus [https://www.gurufocus.com/news/1484844/cadence-announces-anirudh-devgan-to-become-ceo-in-december-2021-lipbu-tan-to-transition-to-role-of-executive-chairman-at-that-time Cadence Announces Anirudh Devgan to Become CEO in December 2021] Retrieved July 26, 2021</ref> and left this position and the board in May 2023. In 2021, Cadence launched an [[artificial intelligence]] platform to streamline processor development.<ref name="OriginalRef_Deutscher_siliconangle.com"/>
Although most of Cadence's customers for decades were "traditional semiconductor firms," around 40% of Cadence's revenue by 2022 came from customers who were "systems" oriented, or seeking products tailored for various industries that utilized chips in a central role. Cadence was also increasingly designing customized chips for clients and having them manufactured by third parties such as [[Taiwan Semiconductor Manufacturing]], a practice which had become more popular in the face of worldwide chip shortages and shipping issues, according to [[Reuters]].<ref name="Ref_Nellis2_Reuters.com"/> By late 2022, Cadence had clients such as [[Tesla, Inc.|Tesla]] and [[Apple Inc.]]<ref name="Ref_Nellis2_Reuters.com"/> Cadence acquired [[OpenEye Scientific Software]] for $500 million in September 2022, rebranding the company OpenEye Cadence Molecular Sciences and making it into a business unit.<ref name="OriginalRef_VItu_santafenewmexican.com"/> OpenEye signed [[Pfizer]] as a software client in October 2023.<ref>{{cite news |date=October 25, 2023 |title=Cadence Expands Pfizer's License to Molecular Design Software |url=https://www.cadence.com/en_US/home/company/newsroom/press-releases/pr/2023/cadence-expands-pfizers-license-to-molecular-design-software.html |work=Cadence.com |access-date=}}</ref>
Cadence purchased several businesses from [[Rambus]] in 2023.<ref name="OriginalRef_Staff_SiliconSemiconductor.net"/> <!-- As of September 2023, Cadence was "looking into" applying for funding from the $52 billion [[CHIPS and Science Act]], passed in 2022 bring more of the international semiconductor supply chain into the United States.<ref name="2023-09-21-Bloomberg">{{Citation |date=September 21, 2023 |title=Chip packaging is the next battleground for tech lead, CEO says |publisher=[[The Economic Times]] |url=https://telecom.economictimes.indiatimes.com/news/devices/chip-packaging-is-the-next-battleground-for-tech-lead-ceo-says/103827318 }}</ref> --> In February 2024, Cadence "quietly stepped into the supercomputer business," according to [[TechRadar]], when it unveiled the M1, its own supercomputer designed to run [[computational fluid dynamics]] (CFD) while utilizing AI.<ref name="2024-02-14-Williams">{{Citation |last=Williams |first=Wayne |year=2024 |title=Firm behind software used by AMD, Nvidia to make GPU and CPUs quietly unveils its own supercomputer — as it appears to emulate Apple by bringing hardware and software closer together |publisher=[[TechRadar]] |url=https://www.techradar.com/pro/firm-behind-software-used-by-amd-nvidia-to-make-gpu-and-cpus-quietly-unveils-its-own-supercomputer-as-it-appears-to-emulate-apple-by-bringing-hardware-and-software-closer-together }}</ref> In June 2024, Cadence purchased BETA CAE Systems.<ref name="2024-03-05-Bajwa"/>
In January 2025, Cadence announced the acquisition of [[:fr:Secure-IC|Secure-IC]], an embedded security IP platform provider; the acquisition is expected to close by mid-2025, following the usual regulatory approvals and other closing conditions, and be immaterial to 2025 revenue and earnings.<ref>{{cite news |last=Clarke |first=Peter |title=Cadence to acquire French security specialist Secure-IC |url=https://www.eenewseurope.com/en/cadence-to-acquire-french-security-specialist-secure-ic/ |website= eenews |date=2025-01-23 |accessdate=2025-02-02 }}</ref>
In mid-2025, the [[Second presidency of Donald Trump|Trump administration]] briefly paused the issuing of licenses for exports of American EDA software to China, including Cadence products.<ref>{{Cite news |last=Swanson |first=Ana |date=2025-05-28 |title=U.S. Pauses Exports of Airplane and Semiconductor Technology to China |url=https://www.nytimes.com/2025/05/28/business/economy/jet-engine-chip-software-exports-to-china.html |access-date=2025-05-29 |work=[[The New York Times]] |language=en-US |issn=0362-4331}}</ref><ref>{{Cite news |last=Hawkins |first=Mackenzie |date=2025-07-02 |title=US Lifts Chip Design Software Curbs on China in Trade Deal |url=https://www.bloomberg.com/news/articles/2025-07-03/siemens-says-us-has-rescinded-chip-software-curbs-on-china |url-access=subscription |access-date=2025-07-03 |publisher=[[Bloomberg News]]}}</ref> In July 2025, it was announced that Cadence would plead guilty to violating U.S. [[export controls]] and pay US$140 million.<ref name="reuters_china">{{Cite news |last=Freifeld |first=Karen |date=2025-07-28 |title=Exclusive: Cadence to plead guilty and pay $140 million to US for China sales |url=https://www.reuters.com/world/china/cadence-plead-guilty-pay-140-million-us-china-sales-2025-07-28/ |access-date=2025-07-30 |work=[[Reuters]] |language=en}}</ref>
==Products==
Originally known as a creator of [[electronic design automation]] (EDA) software,<ref name="Ref_Nellis2_Reuters.com"/> the company currently develops software, hardware<ref name="Ref_Nellis_retuers.com"/> and [[Intellectual Properties|intellectual property]] (IP) used to design chips,<ref>[https://www.nytimes.com/2007/02/26/technology/26chip.html Design on Diagonal Path in Pursuit of a Faster Chip], John Markoff, ''[[The New York Times]]'', February 26, 2007</ref> [[chiplet]]-style products,<ref>{{cite news |author=Don Clark |date=May 11, 2023 |title=U.S. Focuses on Invigorating 'Chiplets' to Stay Cutting-Edge in Tech |url=https://www.nytimes.com/2023/05/11/technology/us-chiplets-tech.html |work=[[The New York Times]] |access-date=}}</ref> and [[printed circuit board]]s,<ref name="OriginalRef_Staff4_nytimes.com">NYTimes [https://www.nytimes.com/1990/04/11/business/company-news-cadence-acquires-software-company.html Cadence Acquires Software Company] Retrieved April 11, 1990</ref> while also selling hardware systems that run its chip design software.<ref name="Ref_Nellis_retuers.com"/>
It also has tools for "electromagnetics, thermal and computational fluid dynamics in the high-tech electronics, aerospace and defense and automotive sectors,"<ref name="OriginalRef_VItu_santafenewmexican.com"/> and according to ''[[Investor's Business Daily]]'' in 2023, it specializes in products for fields such as "artificial intelligence and machine learning, cloud computing, 3D technology, and AI-enabled big data analytics."<ref>{{cite news |date=March 15, 2023 |title=Top Funds Can't Get Enough Of This Breakout AI Stock |url=https://www.investors.com/research/breakout-stocks-technical-analysis/cadence-design-systems-breakout-ai-stock-in-demand-among-best-mutual-funds/ |work=Investor's Business Daily |access-date=}}</ref> Among market applications are "hyperscale computing, 5G communications, automotive, mobile, aerospace, consumer, industrial and health care."<ref name="OriginalRef_VItu_santafenewmexican.com"/>
===Integrated circuit software===
The company develops a number of technologies for creating custom integrated circuits. For example, its '''Virtuoso Platform''',<ref name="OriginalRef_Staff_colorado.edu"/> later renamed '''Virtuoso Studio,'''<ref name="2024-03-19-C">{{Citation|title=Virtuoso Studio |publisher=Cadence |url=https://www.cadence.com/en_US/home/tools/custom-ic-analog-rf-design/virtuoso-studio.html }}</ref> incorporates tools for designing full-custom [[integrated circuit]]s.<ref name="OriginalRef_Staff_colorado.edu">{{Cite web |url=http://ece-www.colorado.edu/~ecen5007/software.html |title=Course description from University of Colorado |access-date=2007-06-10 |archive-url=https://web.archive.org/web/20070624084120/http://ece-www.colorado.edu/~ecen5007/software.html |archive-date=2007-06-24 |url-status=dead }}</ref> In 2019, Cadence introduced its '''[[Spectre Circuit Simulator|Spectre X]]''' parallel circuit simulator, so that users could distribute time- and frequency-___domain simulations across hundreds of CPUs for speed.<ref>New Electronics [https://www.newelectronics.co.uk/electronics-news/cadence-looks-to-boost-simulation-performance-with-the-spectre-x-simulator/215884/ Cadence looks to boost simulation performance with the Spectre X Simulator] Retrieved June 3, 2019</ref> Cadence also offers '''AWR''', a [[radio frequency]] to [[extremely high frequency|millimeter wave]] design environment for designing [[5G]]/[[wireless]] products. AWR is used for communications, aerospace and defense, semiconductor, computer, and consumer electronics.<ref>Chin, Spencer (December 5, 2019). [https://www.fierceelectronics.com/electronics/cadence-acquires-awr-from-ni-to-bolster-5g-presence"Cadence acquires AWR from NI to bolster 5G presence"] ''Fierce Electronics'' Retrieved September 6, 2021</ref><ref>Levitsky, Allison (December 2, 2019). [https://www.bizjournals.com/sanjose/news/2019/12/02/cadence-design-systems-to-acquire-awr-corp-from.html"Cadence Design Systems to acquire AWR Corp. from National Instruments for $160M"] ''Silicon Valley Business Journal'' Retrieved September 6, 2021</ref>
===Digital implementation and signoff===
Cadence has a number of digital [[implementation]] and [[signoff]] tools, including '''Genus, Innovus, Tempus & Voltus''', among others. In 2020, Cadence integrated its Innovus [[place and route]] engine and optimizer into Genus [[logic synthesis|Synthesis]].<ref>EENews Europe [https://www.eenewseurope.com/news/cadences-digital-full-flow-promises-3x-faster-throughput-better-results Cadence's digital full flow promises up to 3X faster throughput, better results] Retrieved March 17, 2020</ref> '''Stratus''' is Cadence's [[high-level synthesis]] tool, and is used to create RTL implementations from [[C (programming language)|C]], [[C++]], or [[SystemC]] code.<ref>Morris, Kevin [https://www.eejournal.com/article/hls-powers-ai-revolution/HLS Powers AI Revolution] EEJournal Retrieved Mar 31, 2020</ref> Other formal verification and signoff tools include Conformal Equivalence Checker,<ref>{{cite news |date=2024 |title=Conformal Equivalence Checker |url=https://www.cadence.com/en_US/home/tools/digital-design-and-signoff/logic-equivalence-checking/conformal-equivalence-checker.html |work=Cadence Home Website |access-date=March 12, 2024}}</ref> Joules RTL Power Solution,<ref>{{cite news |date=2024 |title=Joules RTL Power Solution |url=https://www.cadence.com/en_US/home/tools/digital-design-and-signoff/power-analysis/joules-rtl-power-solution.html |work=Cadence Home Website |access-date=March 12, 2024}}</ref> Quantus Extraction Solution,<ref>{{cite news |date=2024 |title=Quantus Extraction Solution |url=https://www.cadence.com/en_US/home/tools/digital-design-and-signoff/silicon-signoff/quantus-extraction-solution.html |work=Cadence Home Website |access-date=March 12, 2024}}</ref> and Cadence's Modus DFT Software Solution.<ref>{{cite news |date=2024 |title=Cadence Modus DFT Software Solution |url=https://www.cadence.com/content/dam/cadence-www/global/en_US/documents/tools/digital-design-signoff/modus-test-solution-ds.pdf |work=Cadence Home Website |access-date=March 12, 2024}}</ref>
===System verification===
Cadence has developed a number of [[Formal_verification|formal verification products]] for chip design. '''JasperGold''' is a [[formal verification]] tool, initially introduced in 2003<ref>EETimes [https://www.eetimes.com/startup-promises-pure-formal-tool-for-verification/ Startup promises 'pure' formal tool for verification] Retrieved May 19, 2003</ref> and upgraded with machine learning in 2019.<ref>eeNews Europe [https://www.eenewseurope.com/news/formal-verification-platform-leverages-ai-speed-verification-throughput Formal verification platform leverages AI to speed up verification throughput] Retrieved May 9, 2019</ref> '''{{Proper name|vManager}}''' is a verification management tool for tracking the verification process.<ref>Tech Design Forum [https://www.techdesignforums.com/blog/2014/02/24/cadence-incisive-vmanager-database/ Cadence uses SQL to boost verification manager capacity] Retrieved February 24, 2014</ref><ref>Oct 6, 2003 [https://www.electronicsweekly.com/news/archived/resources-archived/verisity-has-tool-for-soc-design-project-management-2003-10/Verisity has tool for SoC design project management] Electronics Weekly Retrieved Oct 30, 2021</ref> Cadence announced '''Perspec System Verifier''' in 2014 for defining and verifying system-level verification scenarios,<ref>Electronics Weekly [https://www.electronicsweekly.com/news/design/eda-and-ip/cadence-moves-verification-system-level-2014-12/ Chip verification moves to system-level] Retrieved December 11, 2014</ref> with Perspec made compatible with the [[Accellera|Accellera Portable Test and Stimulus Standard]] (PSS) several years later.<ref>Electronics Weekly [https://www.electronicsweekly.com/news/eda-embraces-standard-streamline-ic-test-verification-2018-07/ EDA embraces standard to streamline IC test and verification] Retrieved July 6, 2018</ref> Introduced in 2017, Cadence's parallel simulator '''Xcelium''' is based on a multi-core [[parallel computing]] architecture.<ref>EET Asia [https://www.eetasia.com/multi-core-parallel-engine-powers-cadence-simulator/ Multi-core parallel engine powers Cadence simulator] Retrieved March 1, 2017.</ref>
===Hardware emulation===
In 2015, Cadence announced the '''Palladium''' Z1 [[hardware emulation]] platform,<ref>EE Journal [https://www.eejournal.com/article/20160606-emulation/ State of Emulation] Retrieved June 6, 2016</ref> for verifying billion-gate designs.<ref>Electronic Specifier [https://www.electronicspecifier.com/products/design-automation/enterprise-emulation-platform-develops-supercomputer Enterprise Emulation Platform Develops Supercomputer] Retrieved October 26, 2016</ref> which was based on emulation technology from Cadence's 1998 acquisition of Quickturn.<ref name="OriginalRef_Staff3_nytimes.com">NY Times [https://www.nytimes.com/1998/12/10/business/cadence-to-acquire-quickturn-design.html Cadence to Acquire Quickturn Design] Retrieved 36137</ref> Cadence announced Palladium Z2 in 2021 as a successor to the Z1 platform with improved performance.<ref>Neowin [https://www.neowin.net/news/cadences-latest-palladium-and-protium-dynamic-duo-to-offer-2x-capacity-and-15x-gains/ Cadence's latest Palladium and Protium "dynamic duo" to offer 2X capacity and 1.5X gains] Retrieved Apr 5, 2021</ref><ref>EENews Europe [https://www.eenewseurope.com/news/cadence-boosts-its-emulation-and-verification-systems Cadence boosts its emulation and verification systems] Retrieved Apr 5, 2021</ref>
The '''Protium''' [[FPGA prototyping]] platform was introduced in 2014,<ref>EDN [https://www.edn.com/cadence-unveils-protium-fpga-based-soc-prototyping-platform/ Cadence unveils Protium FPGA-based SoC prototyping platform] Retrieved July 14, 2014</ref> followed by the Protium S1 in 2017, which was built on [[Xilinx]] Virtex UltraScale [[FPGAs]].<ref>EET Asia [https://www.eetasia.com/multi-core-parallel-engine-powers-cadence-simulator/ Multi-core parallel engine powers Cadence simulator] Retrieved March 1, 2017</ref> Protium X1 rack-based prototyping was introduced in 2019,<ref>Tech Design Forum [https://www.techdesignforums.com/blog/2019/05/28/cadence-expands-protium-for-rack-based-prototyping/ Cadence Expands Protium for Rack-Based Prototyping] Retrieved May 28, 2019</ref> which Cadence claimed supported a 1.2 billion gate SoCs at around 5 MHz.<ref>Electronics Weekly [https://www.electronicsweekly.com/news/design/eda-and-ip/cadence-machine-can-prototype-1bn-gate-soc-fpgas-2019-05/ Cadence machine can prototype a 1bn gate SoC on FPGAs] Retrieved May 29, 2019</ref> with Palladium S1/X1 and Protium sharing a single compilation flow.<ref>EE Journal [https://www.eejournal.com/article/cadence-eda-update/ Cadence EDA Update] Retrieved May 8, 2017</ref> In 2021, Protium X2 was announced; Cadence claimed a 1.5X performance and 2X capacity improvement over Protium X1.<ref>Embedded [https://www.embedded.com/cadence-speeds-billion-gate-soc-verification/ Cadence speeds billion gate SoC verification] Retrieved Apr 7, 2021</ref><ref>New Electronics [https://www.newelectronics.co.uk/electronics-news/cadence-unveils-next-generation-palladium-z2-and-protium-x2-systems/236026/ Cadence unveils next-generation Palladium Z2 and Protium X2 systems] Retrieved Apr 6, 2021</ref>
===SIP blocks===
{{See also|Tensilica#Cadence Tensilica products}}
Cadence supplies [[semiconductor intellectual property]] (SIP) blocks, covering [[Interface_(object-oriented_programming)|interface]] design, [[USB]], [[MIPI]], [[ethernet]],<ref>{{cite news |date=2024 |title=Interface IP |url=https://www.cadence.com/en_US/home/tools/ip/design-ip/interface-ip.html |work=Cadence Home Website |access-date=March 13, 2024}}</ref> memory, analog, [[System on a chip|SoC]] peripherals, and [[data plane]] processing units. Cadence also develops chip [[Functional verification|verification]] technologies including simulators and [[formal verification]] tools.{{cn|date=March 2024}} Cadence develops '''[[Tensilica]]''' [[Digital signal processor|DSP]] processors for audio, vision, wireless modems, and convolutional neural nets. Tensilica DSP processors IP in 2019<ref>{{Cite web|url=https://ip.cadence.com/ipportfolio/tensilica-ip|title=Tensilica Customizable Processor and DSP IP|website=ip.cadence.com|access-date=2019-05-16}}</ref> included: Tensilica Vision DSPs for [[Image processor|imaging]], [[Vision processing unit|vision]], and [[AI accelerator|AI]] processing;<ref>AnandTech [https://web.archive.org/web/20190515183857/https://www.anandtech.com/show/14337/cadence-announces-tensilica-vision-q7-dsp Cadence Announces Tensilica Q7 DSP] Retrieved May 15, 2029</ref><ref>Embedded [https://www.embedded.com/cadence-tensilica-vision-q7-dsp-ip-doubles-vision-and-ai-performance-for-automotive-ar-vr-mobile/ Cadence: Tensilica Vision Q7 DSP IP doubles vision and AI performance for automotive, AR/VR mobile] Retrieved May 16, 2019</ref> Tensilica HiFi DSPs for audio processing;<ref>eeNews Embedded [https://www.eenewsembedded.com/news/cadence-tensilica-hifi-5-dsp-audio-and-voice-processing Cadence Tensilica HiFi 5 DSP for audio and voice processing ] Retrieved November 1, 2018</ref><ref>EE Journal [https://www.eejournal.com/article/watching-ai-evolve/ Watching AI Evolve] Retrieved November 12, 2018</ref> Tensilica Fusion DSPs for [[Internet of things|IoT]];<ref>Engineering.com [https://www.engineering.com/ElectronicsDesign/ElectronicsDesignArticles/ArticleID/13267/Electronics-Weekly-Microsemi-PLLs-IDT-Load-Reduced-DIMM-More.aspx Cadence Announces Availability of Tensilica Xtensa LX7 Processor Architecture] Retrieved September 30, 2016</ref> Tensilica ConnX DSPs for [[radar]], [[lidar]], and communications processing;<ref>Embedded Computing Design [https://www.embedded-computing.com/automotive/cadence-tensilica-connx-b20-dsp-ip-boosts-performance-for-automotive-radar-lidar-and-5g Cadence's Tensilica ConnX B20 DSP IP Boosts Performance for Automotive Radar/Lidar and 5G] Retrieved March 8, 2019</ref><ref>Electronics Weekly [https://www.electronicsweekly.com/news/design/eda-and-ip/cadence-ups-dsp-throughput-5g-comms-automotive-radar-lidar-2019-03/ Cadence ups DSP throughput for 5G comms, and automotive radar and lidar] Retrieved March 7, 2019</ref> and Tensilica DNA Processor Family for [[AI accelerator|AI acceleration]].<ref>AnandTech [https://web.archive.org/web/20180919201518/https://www.anandtech.com/show/13377/cadence-announces-tensilica-dna-100-a-bigger-nn-ip Cadence Announces The Tensilica DNA 100 IP: Bigger Artificial Intelligence] Retrieved September 19, 2018</ref><ref>Electronic Design [https://www.electronicdesign.com/technologies/embedded-revolution/article/21807054/cadences-deepneuralnetwork-processor-pushes-to-34-tmacsw Cadence's Deep-Neural-Network Processor Pushes to 3.4 TMACs/W] Retrieved September 26, 2018</ref> In 2021, Cadence launched the Tensilica AI Platform to accelerate AI SoC development and improve performances.<ref>HelpNet Security [https://www.helpnetsecurity.com/2021/09/15/cadence-tensilica-ai-platform/ Cadence Tensilica AI Platform accelerates intelligent SoC development] Retrieved Sep 15, 2021</ref>
===PCB and packaging technologies===
The company provides several tools for the design of [[printed circuit board]]s (PCB) and of [[IC form factor|chip packages]]. Its '''Allegro Platform''' covers co-design of [[integrated circuit]]s, packages, and PCBs on industrial scale. The '''[[OrCAD|OrCAD/PSpice]]''' product line aims at smaller design teams and individual PCB designers.<ref name="UNIX">{{cite web|url=http://www.doe.carleton.ca/facilities/computer_help/internal/software.php|title=UNIX Software and CAD tools|publisher=Carleton University|access-date=2007-06-10|archive-url=https://web.archive.org/web/20120503235221/http://www.doe.carleton.ca/facilities/computer_help/internal/software.php|archive-date=2012-05-03|url-status=dead}}</ref> '''OrbitIO Interconnect Designer''' is a die/package planning & route optimization tool.<ref>Schilling, Andreas (May 2, 2018). [https://www-hardwareluxx-de.translate.goog/index.php/news/hardware/prozessoren/46297-multi-chip-ansatz-tsmc-stapelt-mehrere-wafer-uebereinander.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=nuiMulti-chip approach: TSMC stacks several wafers on top of each other] Hardware LuxxRetrieved May 2, 2018</ref> '''InspectAR''' uses [[augmented reality]] to map out complicated circuit board electronics for real-time labelling of board [[schematics]].<ref>Kirkwood, Isabelle [https://betakit.com/newfoundlands-inspectar-acquired-by-cadence-design-systems/ Newfoundland's InspectAR Acquired By Cadence Design Systems] BetaKit Retrieved Aug 13, 2020</ref>
===Systems design and analysis===
The company has a number of tools for [[system analysis]]. '''[[Sigrity]]''' offers tools for signal, power integrity, and thermal integrity analysis and IC package design.<ref name="eetimes.com">EE Times [https://www.eetimes.com/cadence-pays-80-million-to-buy-signal-integrity-firm/ Cadence Pays $80 million to buy signal integrity firm] Retrieved July 3, 2012</ref> Introduced in April 2019 as part of Cadence's expansion into system analysis, '''Clarity''' is a 3D [[field solver]] for electromagnetic analysis, that uses distributed [[Adaptive mesh refinement|adaptive meshing]] to partition jobs across multiple cores.<ref>{{Cite web|url=https://www.eetimes.com/cadence-eyes-system-analysis-market/|title=Cadence Eyes System Analysis Market|last=McGrath|first=Dylan|date=2 April 2019|website=EE Times}}</ref> In September 2019, Cadence announced '''Celsius''', a parallel architecture thermal solver that uses [[Finite element method| finite element analysis]] for solid structures and [[computational fluid dynamics]] (CFD) for fluids.<ref>EE News Embedded [https://www.eenewsembedded.com/news/Cadence-Celsius-Thermal-Solver-complete-electrical-thermal-co-simulation-system-analysis Complete Electrical-thermal co-simulation for system analysis ] Retrieved September 19, 2019</ref>
'''Cascade Technologies, Inc''' includes hi-fidelity CFD solvers for multiphysics analysis of turbulence fluid flow.<ref name="CascadeCFDBlog">[https://community.cadence.com/cadence_blogs_8/b/cfd/posts/cadence-welcomes-cascade-technologies-1221740980 Cascade CFD Blog]</ref> Acquired by Cadence from Pointwise in 2021, '''Fidelity Pointwise''' is for computational fluid dynamics (CFD) mesh generation.<ref name="eeNewsPointwise">eeNews [https://www.eenewseurope.com/news/onespin-deal-leads-flurry-eda-acquisitions/page/0/1 OneSpin deal leads flurry of EDA acquisitions: Page 2 of 3] Retrieved Apr 15, 2021</ref>
===Machine design and digital twins===
Cadence in 2021 acquired a number of system analysis products from NUMECA,<ref name="eeNewsNumeca"/> known for software tools used in the automotive, marine, aerospace, and power generation industries.<ref>{{cite news |date=January 22, 2021 |title=Week In Review: Auto, Security, Pervasive Computing |url=https://semiengineering.com/week-in-review-auto-security-pervasive-computing-51/ |work=Semiconductor Engineering |access-date=March 13, 2024}}</ref> Among the tools were '''Fidelity''' (formerly known as OMNIS), a [[computational fluid dynamics]] (CFD), [[mesh generation]], [[multi-physics]] simulation, and optimization product.<ref name="eeNewsNumeca">eeNews Europe [https://www.eenewseurope.com/news/cadence-buys-belgian-cfd-specialist Cadence buys Belgian CFD specialist] Retrieved Jan 21, 2021</ref> Its '''Cadence Reality''' digital twin platform creates manipulatable digital models of designs or factories.<ref>{{Citation |last=Takahashi |first=Dean |date=March 18, 2024 |title=Nvidia Omniverse Cloud APIs will elevate digital twins for a new industrial revolution |publisher=VentureBeat |url=https://venturebeat.com/ai/nvidia-omniverse-cloud-apis-will-elevate-digital-twins-for-a-new-industrial-revolution/ }}</ref>
Cadence Design Systems in February 2024 launched its '''Cadence Millennium Enterprise Multiphysics Platform''', or Millennium M1. The hardware/software combination was designed for creating digital twins.<ref>{{Citation |last=Takahashi |first=Dean |date=February 1, 2024 |title=Cadence brings AI supercomputing to digital twin simulations |publisher=VentureBeat |url=https://venturebeat.com/games/cadence-brings-ai-supercomputing-to-digital-twin-simulations/ }}</ref> It draws from Cadence's older Fidelity CFD suite.<ref>{{Citation |last=WIlliams |first=Wayne |date=February 14, 2024 |title=Firm behind software used by AMD, Nvidia to make GPU and CPUs quietly unveils its own supercomputer — as it appears to emulate Apple by bringing hardware and software closer together |publisher=TechRadar |url=https://www.techradar.com/pro/firm-behind-software-used-by-amd-nvidia-to-make-gpu-and-cpus-quietly-unveils-its-own-supercomputer-as-it-appears-to-emulate-apple-by-bringing-hardware-and-software-closer-together }}</ref>
===Drug design===
Cadence's [[OpenEye Scientific Software|OpenEye Scientific]] division has computational molecular modeling and simulation software used by pharmaceutical and biotechnology companies for purposes such as drug discovery<ref name="OriginalRef_VItu_santafenewmexican.com"/> and antibody discovery.<ref>{{Citation|date=April 11, 2023 |title=Cadence CEO Drives Growth Beyond Chip Design With AI And Computational Software |work=[[Forbes]] |url=https://www.forbes.com/sites/davealtavilla/2023/04/11/cadence-ceo-drives-growth-beyond-chip-design-with-ai-and-computational-software/?sh=386406483e38 }}</ref> The '''Orion''' is OpenEye's [[software-as-a-service]] platform.<ref>{{cite news |date=July 26, 2022 |title=Cadence expands into molecular simulation |url=https://www.newelectronics.co.uk/content/news/cadence-expands-into-molecular-simulation/ |work=New Electronics |access-date=}}</ref> OpenEye Scientific has its headquarters in [[Santa Fe, New Mexico|Santa Fe]], New Mexico.
===Artificial intelligence===
According to [[Reuters]], in 2023 Cadence has been "providing tools to design chips for AI" and "adding AI into its own software to help in the complex process of designing chips."<ref name="Ref_Nellis_retuers.com">{{cite news |date=July 24, 2023 |title=Cadence lifts full-year forecast, shares dip on short-term outlook |url=https://www.reuters.com/technology/cadence-lifts-revenue-forecast-ai-boom-boosts-chip-design-demand-2023-07-24/ |work=[[Reuters]] |access-date=March 13, 2024}}</ref> '''Cerebrus''' was released in 2021, and is a [[machine learning]]-based chip design software which utilizes [[reinforcement learning]] and is meant to automatically optimize the Cadence digital design flow.<ref>Takahashi, Dean (August 18, 2021). [https://venturebeat.com/2021/07/22/cadence-design-systems-launches-cerebrus-machine-learning-for-chip-design/ "Cadence Design Systems launches Cerebrus machine learning for chip design"] ''Venture Beat'' Retrieved September 5, 2021</ref><ref name="OriginalRef_Deutscher_siliconangle.com">Deutshcer, Maria (July 22, 2021). [https://siliconangle.com/2021/07/22/chip-design-giant-cadence-launches-ai-platform-speed-processor-development/ "Chip design giant Cadence launches AI platform to speed processor development"] ''Silicon Angle'' Retrieved September 5, 2021</ref> In 2022, Cadence introduced the AI platform '''Optimality Intelligent System Explorer''', a system design tool with multiphysics system analysis software. Designed to be compatible with Clarity 3D and SigrityX, [[Microsoft]] was an early adopter.<ref>{{cite news |date=June 13, 2022 |title=Cadence Taps AI Technology to Speed Up System Design |url=https://www.electronicdesign.com/technologies/analog/article/21244099/electronic-design-cadence-taps-ai-technology-to-speed-up-system-design |work=Electronic Design |access-date= March 13, 2024}}</ref> In September 2023, Cadence released software called '''ChipGPT''', allowing companies to create custom silicon with assistance from AI.<ref>{{Citation |date=March 19, 2024 |title=How do you design better, smart AI chips? Use AI, of course |work=Fast Company |publisher=[[Fast Company]] |url=https://www.fastcompany.com/91030302/cadence-most-innovative-companies-2024 |last1=Wilson |first1=Mark }}</ref>
==Recognition==
In 2016, former Cadence CEO [[Lip-Bu Tan]] was awarded the Dr. Morris Chang Exemplary Leadership Award by the Global Semiconductor Alliance.<ref>GSA Website [https://www.gsaglobal.org/wp-content/uploads/gsa-event-archives/2016awardsdinner/morris-chang-winner/index.html Dr. Morris Chang Exemplary Leadership Award Winner] {{Webarchive|url=https://web.archive.org/web/20210126114055/https://www.gsaglobal.org/wp-content/uploads/gsa-event-archives/2016awardsdinner/morris-chang-winner/index.html |date=2021-01-26 }} Retrieved November 28, 2020</ref> In 2019, ''[[Investor's Business Daily]]'' ranked Cadence Design Systems #5 on its 50 Best Environmental, Social, and Governance (ESG) Companies list.<ref>{{Cite web |date=2 December 2019 |title=50 Best ESG Companies: A List Of Today's Top Stocks for Environmental, Social and Governance Values |url=https://www.investors.com/research/best-esg-companies-top-stocks-environmental-social-governance-values/ |website=Investor's Business Daily}}</ref> In 2020, Cadence ranked #45 on ''[[People (magazine)|People]]'' magazine's Companies that Care list.<ref>Great Place to Work [https://www.greatplacetowork.com/best-workplaces/companies-that-care/2020 People Companies that Care 2020] Retrieved November 28, 2020</ref> ''[[Fortune (magazine)|Fortune]]'' magazine named Cadence to its 100 Best Companies to Work For list for the sixth consecutive year in 2020.<ref>{{Cite web |title=Cadence |url=https://fortune.com/best-companies/2020/cadence |access-date=2020-04-28 |website=Fortune |language=en}}</ref> In 2021, Anirudh Devgan was awarded the prestigious IEEE/SEMI Phil Kaufman award and in 2022 was inducted into National Academy of Engineering.
== Sponsorship ==
In May 2022, the [[Formula 1]] motor racing team [[McLaren]] announced a multi-year partnership deal with Cadence.<ref>{{Cite web |title=McLaren Racing - McLaren Racing and Cadence announce new multi-year partnership |url=https://www.mclaren.com/racing/partners/cadence/mclaren-racing-and-cadence-announce-new-multi-year-partnership/ |access-date=2022-11-18 |website=www.mclaren.com |language=en}}</ref> Cadence partnered with the [[San Francisco 49ers]] in April 2023 on a several year technology project to fix energy efficiencies at [[Levi's Stadium]]. The deal also gave Cadence the naming rights to the team's mobile app.<ref>{{cite news |date=April 18, 2023 |title=San Francisco 49ers partner with Cadence Design Systems on multi-year technology partnership |url=https://www.sportsbusinessjournal.com/Daily/Issues/2023/04/18/Technology/san-francisco-49ers-cadence-design-systems.aspx |work=[[Sports Business Journal]] |access-date=March 13, 2024}}</ref>
==Acquisitions timeline==
{| class="wikitable sortable"
|-
! Year<br>announ-<br>ced
! Company
! class="unsortable"| Business
! Value ([[United States Dollar|USD]])
!class="unsortable"|Refe-<br>rences
|-
|1989
|[[Gateway Design Automation]]
|Simulation software
|$72 million
|<ref name="OriginalRef_staff_nytimes.com_gateway">NY Times [https://www.nytimes.com/1989/10/05/business/company-news-cadence-to-buy-gateway-design.html Cadence to Buy Gateway Design] Retrieved January 20, 2005</ref>
|-
|1990
|Automated Systems, Inc.
|PCB Design Automation
|$23 million
|<ref>NY Times [https://www.nytimes.com/1990/04/11/business/company-news-cadence-acquires-software-company.html Cadence Acquires Software Company ] Retrieved April 11, 1990</ref>
|-
|1991
|[[SCALD|Valid Logic Systems]]
|Gate-level design
|$198 million
|<ref>UPI [https://www.upi.com/Archives/1991/10/02/Cadence-Design-Valid-Logic-to-merge/8367686376000/ Cadence Design, Valid Logic] Retrieved October 2, 1991</ref><ref>SemiEngineering [https://semiengineering.com/entities/valid-logic-systems/ Valid Logic Systems] Retrieved November 29, 2020
</ref>
|-
|1993
|Comdisco Systems
|Digital signal processing & communications design
|$13 million
|<ref>Funding Universe [http://www.fundinguniverse.com/company-histories/cadence-design-systems-inc-history/#:~:text=In%20July%201993%2C%20Cadence%20acquired,estimated%2070%20percent%20market%20share. Cadence Design Systems History] Retrieved January 20, 2005</ref>
|-
|1996
|High Level Design Systems Inc.
|Advanced design technology for integrated circuits
|$94 million
|<ref name="Ref_staff10_nytimes.com">{{cite news |date=October 4, 1996 |title=Cadence Design to acquire High Level Design Systems |url=https://www.nytimes.com/1996/10/04/business/cadence-design-to-acquire-high-level-design-systems.html |work=[[The New York Times]] |access-date=}}</ref>
|-
|1997
| style="white-space:nowrap" | [[Cooper & Chyan Specctra|Cooper & Chyan Technology]]<br>UniCAD
|Placement and routing ([[Specctra]] AutoRouter) and UniCAD (PCB Design)
|$422 million
|<ref>[https://www.latimes.com/archives/la-xpm-1996-10-29-fi-59090-story.html Cadence to Buy Cooper & Chyan] Retrieved October 29, 1996</ref><ref>Wall Street Journal [https://www.wsj.com/articles/SB84651490679457000 Cadence Design Systems Agrees To Purchase Cooper & Chyan] Retrieved October 29, 1996</ref><ref>{{cite web |title=Cadence Acquires CCT and UniCAD |url=https://www.edn.com/cadence-cooper-chyan-to-merge/ |website=edn.com |publisher=EDN |access-date=8 December 2022 |date=1996-11-21}}</ref>
|-
|1998
|Ambit Design Systems
|[[System-on-a-chip]] technology
|$260 million
|<ref name="Ref_Nellis2_Reuters.com">{{cite news |author=Stephen Nellis |date=January 18, 2022 |title=Focus: Cadence Design Systems aims to cash in on new custom-chip era |url=https://www.reuters.com/technology/cadence-design-systems-aims-cash-new-custom-chip-era-2022-01-18/ |work=[[Reuters]] |access-date=}}</ref>
|-
|1998
|Bell Labs Design Automation
|Simulation and verification software
|$45 million
|<ref>{{cite news|title=Cadence 'Formally' Acquires BLDA – Cadence Design Systems buys Bell Labs Design Automation from Lucent Technologies|url=https://indexarticles.com/business/electronic-news/cadence-formally-acquires-blda-cadence-design-systems-buys-bell-labs-design-automation-from-lucent-technologies/|access-date=20 August 2021|work=Electronic News|date=1998}}</ref>
|-
|1998
|Quickturn Design Systems
|Emulation hardware
|$253 million
|<ref>{{cite news|title=Cadence to Acquire Quickturn Design|url=https://www.nytimes.com/1998/12/10/business/cadence-to-acquire-quickturn-design.html|access-date=3 April 2015|work=The New York Times|date=10 December 1998}}</ref>
|-
|1999
|[[OrCAD Systems]]
|PCB & FPGA design
|$121 million
|<ref name="OriginalRef_staff6_eetimes">{{cite web|url=http://www.eetimes.com/document.asp?doc_id=1139589|title=Update: Cadence gets lift from Orcad purchase|work=EETimes}}</ref>
|-
|2002
|[[IBM]]'s DFT tools & group
|[[Design for testing]]
|not disclosed
|<ref>EE Times [https://www.eetimes.com/cadence-buys-ibms-design-for-test-tools-business/ Cadence buys IBM's design-for-test tools business] Retrieved October 1, 2002</ref>
|-
|2003
|[[Chenming Hu|Celestry Design]]
|Dense modeling, full-chip [[Electronic circuit simulation|circuit simulation]]
|not disclosed
|<ref name="OriginalRef_staff4_edn.com">EDN [https://www.edn.com/cadence-acquires-celestry/ Cadence Acquires Celestry] Retrieved January 16, 2003</ref>
|-
|2001-<br>2003
| CadMOS<br>Plato<br>Get2Chip<br>Silicon Perspective<br>Simplex
| CadMOS (signal integrity), Plato (routing), Get2Chip (logic synthesis), Silicon Perspective Corp. (floor planning and placement), Simplex (extraction and power analysis)
|multiple
|<ref name="Ref_staff13_EETImes.com">{{cite news |date=September 15, 2003 |title=Cadence struggles to regain rhythm |url=https://www.eetimes.com/cadence-struggles-to-regain-rhythm/ |work=[[EE Times]] |access-date=}}</ref>
|-
|2003
|Verplex
|[[Formal verification]], equivalence checkers
|not disclosed
|<ref>{{Cite web|url=https://www.eetimes.com/document.asp?doc_id=1217093|title=Cadence buys formal tool vendor Verplex|last=Santarini|first=Michael|date=July 14, 2003|website=EE Times|access-date=December 21, 2017}}</ref>
|-
|2004
|Neolinear
|Analog & mixed-signal layout, circuit sizing
|not disclosed
|<ref>{{Cite web|url=https://www.eetimes.com/document.asp?doc_id=1217638|title=Cadence acquires analog layout vendor Neolinear|date=April 6, 2004|website=EE Times}}</ref>
|-
|2005
|[[Rob A. Rutenbar|Verisity]]
|Verification automation, hardware acceleration
|$315 million
|<ref>EE Times [https://www.eetimes.com/cadence-completes-acquisition-of-verisity/ Cadence completes acquisition of Verisity] Retrieved April 7, 2005</ref>
|-
|2006
|Praesagus
|Manufacturing variation predication
|$26 million
|<ref>{{Cite web|title=Cadence bought DFM startup Praesagus for $26 million|url=https://www.eetimes.com/cadence-bought-dfm-startup-praesagus-for-26-million}}</ref>
|-
|2007
|Invarium
|Lithography-modeling and pattern-synthesis
|not disclosed
|<ref>Electronic Design [https://www.electronicdesign.com/news/products/article/21761211/cadence-acquires-invarium-to-beef-up-dfm-technology Cadence Acquires Invarium To Beef Up DFM Technology] Retrieved July 22, 2007</ref>
|-
|2007
|Clear Shape
|Design for Manufacturing
|not disclosed
|<ref>{{Cite web|url=https://venturebeat.com/2007/08/17/cadence-design-systems-buys-chip-design-co-clear-shape/|title=Cadence Design Systems buys chip design co., Clear Shape {{!}} VentureBeat|website=venturebeat.com|date=17 August 2007 |language=en-US|access-date=2017-12-20}}</ref><ref>EDN [https://www.edn.com/cadence-to-acquire-clear-shape/ Cadence to acquire Clear Shape] Retrieved January 20, 2005</ref>
|-
|2008
|Chip Estimate
|IP portal, IP reuse management
|not disclosed
|<ref>{{Cite web|url=https://www.eetimes.com/document.asp?doc_id=1168161|title=Cadence buys IP reuse specialist Chip Estimate|last=Leopold|first=George|date=March 21, 2008|website=EE Times|access-date=December 20, 2017}}</ref>
|-
|2010
|Denali Software
|Memory models, design IP, verification IP
|$315 million
|<ref>EDN [https://www.edn.com/cadence-to-buy-denali-for-315-million/ Cadence to buy Denali for $315 million] Retrieved May 13, 2010</ref>
|-
|2011
|[[Altos Design Automation]]
|Foundation IP characterization, such as memory, standard cell libraries
|not disclosed
|<ref name="OriginalRef_eetimesstaff3_eetimes.com">EE Times [https://www.eetimes.com/cadence-buys-altos-design-automation/ Cadence Buys Altos Design Automation] Retrieved May 10, 2011</ref><ref>Silicon Valley Business Journal [https://www.bizjournals.com/sanjose/news/2011/05/10/cadence-acquires-altos-design.html Cadence acquires Altos Design Automation] Retrieved May 10, 2011</ref>
|-
|2011
|[[Azuro]]
|Clock concurrent optimization
|not disclosed
|<ref>EE Times [https://www.eetimes.com/cadence-acquires-power-specialist-azuro/ Cadence acquires power specialist Azuro] Retrieved July 12, 2011</ref>
|-
|2012
|Sigrity
|Signal, power & thermal integrity analysis, IC package design
|$80 million
| <ref>Evertiq [https://evertiq.com/news/22433 Cadence acquires Sigrity] Retrieved July 3, 2012</ref><ref name="eetimes.com"/>
|-
|2013
|[[Cosmic Circuits]]
|Analog & mixed-signal IP for mobile device IP, such as USB, MIPI, audio & Wi-Fi cores
|not disclosed
| <ref name="OriginalRef_eenewseuropestaff1_eenewseurope.com">EE News Europe [https://www.eenewseurope.com/news/cosmic-circuits-acquisition-helps-cadence-expand-ip-portfolio Cosmic Circuits Acquisition helps Cadence to expand IP Portfolio] Retrieved February 7, 2013</ref><ref>EE Times [https://www.eetimes.com/cadence-buys-analog-ip-startup/ Cadence buys analog IP startup] Retrieved February 7, 2013</ref>
|-
|2013
|[[Tensilica]]
|Dataplane processing IP
|$380 million
|<ref name="OriginalRef_staff4_eetimes.com">EETimes [https://www.eetimes.com/omg-cadence-to-acquire-tensilica/ Cadence to acquire Tensilica] Retrieved March 11, 2013</ref><ref>VentureBeat [https://venturebeat.com/2013/03/11/cadence-buys-chip-design-firm-tensilica-for-380m/ Cadence buys chip design firm Tensilica for $380m] Retrieved March 11, 2013</ref>
|-
|2013
|Evatronix
|Semiconductor IP: USB, MIPI, display, & storage interfaces
|not disclosed
|<ref>EE Times [https://www.eetimes.com/cadence-buying-evatronix-to-boost-ip-pool/ Cadence buying Evatronix to boost IP pool] Retrieved May 7, 2013</ref>
|-
|2014
|[[Forte Design Systems]]
|[[High-level synthesis]]
|not disclosed
|<ref name="OriginalRef_New_newelectronics.co">New Electronics [https://www.newelectronics.co.uk/electronics-news/cadence-buys-forte-looks-to-build-hls-offering/59341/ Cadence Buys Forte, Looks to build HLS offering] Retrieved February 6, 2014</ref><ref>Electronics 360 [https://electronics360.globalspec.com/article/4008/the-math-backs-cadence-s-forte-acquisition The Math Backs Cadence's Forte Acquisition] Retrieved February 6, 2014</ref>
|-
|2014
|[[Jasper Design Automation]]
|Formal analysis & verification
|$170 million
|<ref>eeNews Embedded [https://www.eenewsembedded.com/news/cadence-grows-formal-verification-profile-jasper-da-buyout Cadence Grows formal verification profile with Jasper DA buyout] Retrieved April 23, 2014</ref><ref>Electronics 360 [https://electronics360.globalspec.com/article/4176/cadence-keeps-consolidating-with-jasper-purchase Cadence Keeps Consolidating with Jasper Purchase] Retrieved April 22, 2014</ref>
|-
|2016
|Rocketick Technologies
|Multi-core parallel simulator
|not disclosed
|<ref>EENews Analog [https://www.eenewsanalog.com/news/cadence-acquires-parallel-logic-simulation-speed-tech-rocketick-purchase Cadence acquires parallel logic simulation speed-up tech with Rocketick purchase] Retrieved April 13, 2016</ref>
|-
|2017
|nusemi
|High-speed Serializer/Deserializer ([[SerDes]]) communications IP
|$182 million
|<ref>eeNews Analog [https://www.eenewsanalog.com/news/cadence-grows-high-speed-communications-ip-offering-nusemi-deal Cadence grows high-speed communications IP offering with nusemi dea] Retrieved November 2, 2017</ref>
|-
|2019
|[[AWR Corporation]]
|Wireless/high-frequency radio-frequency application design software
|$160 million
|<ref name="OriginalRef_Staff_bizjournals.com">Silicon Valley Business Journal [https://www.bizjournals.com/sanjose/news/2019/12/02/cadence-design-systems-to-acquire-awr-corp-from.html Cadence Design Systems to acquire AWR Corp. from National Instruments for $160M] Retrieved December 2, 2019</ref>
|-
|2020
|Integrand Software
|style="max-width:0" | [[Boundary element method|Method of moments]] [[solver]] technology for analysis & extraction for simulating large IC and packages, characterization, and analysis in 3D-IC systems
|not disclosed
|<ref>New Electronics [https://www.newelectronics.co.uk/electronics-news/cadence-furthers-expansion-in-5g-rf-communications-with-acquisition-of-integrand/224225/ Cadence makes Integrand acquisition] Retrieved February 17, 2020</ref><ref>everythingRF [https://www.everythingrf.com/News/details/9728-Cadence-Accelerates-Innovation-in-5G-RF-Communications-by-Acquiring-Integrand Cadence Accelerates Innovation in 5G RF Communications by Acquiring Integrand] Retrieved February 14, 2020</ref>
|-
|2020
|InspectAR Augmented Interfaces
|Maps electronics & labels circuit board schematics in real-time using augmented reality
|not disclosed
|<ref>CBC [https://www.cbc.ca/news/canada/newfoundland-labrador/inspectar-deal-silicon-valley-1.5686775 A new chapter: Silicon Valley firm buys St. John's tech company] Retrieved August 13, 2020</ref><ref>Betakit [https://betakit.com/newfoundlands-inspectar-acquired-by-cadence-design-systems/ Newfoundland's InspectAR Acquired by Cadence Design Systems] Retrieved August 13, 2020</ref>
|-
|2021
|NUMECA
|[[Computational fluid dynamics|CFD]], mesh generation, multi-physics simulation & optimization
|not disclosed
|<ref name="eeNewsNumeca" />
|-
|2021
|Pointwise
|Computational fluid dynamics (CFD) mesh generation
|not disclosed
|<ref name="eeNewsPointwise"/>
|-
|2022
|Future Facilities
|style="max-width:0"|CFD solution provider for electronics cooling and energy performance optimization solutions for data center design and operations
|not disclosed
|<ref>Cadence News Releases [https://www.cadence.com/en_US/home/company/newsroom/press-releases/pr/2022/cadence-completes-acquisition-of-future-facilities.html Cadence completes acquisition of Future Facilities] Retrieved July 26, 2022</ref>
|-
|2022
|[[OpenEye Scientific Software|OpenEye Scientific]]
|style="max-width:0"|Computational molecular modeling and simulation software used by pharmaceutical and biotechnology companies for drug discovery
|$500 million
|<ref name="OriginalRef_VItu_santafenewmexican.com">{{cite news |url=https://www.santafenewmexican.com/news/business/silicon-valley-firm-seeks-to-acquire-santa-fes-openeye-scientific/article_a8c599e8-1f0b-11ed-bc14-f748409bb197.html |title=Silicon Valley firm seeks to acquire Santa Fe's OpenEye Scientific |date=August 23, 2022 |work=[[The Santa Fe New Mexican]] |first=Teya |last=Vitu}}</ref>
|-
|2023
|Pulsic
|Full custom IC floorplanning, placement, and routing tools
|$59.9 million
|<ref>EENews Europe [https://www.eenewseurope.com/en/cadence-buys-analog-eda-tool-pioneer-pulsic/ Cadence buys analog EDA tool pioneer Pulsic] Retrieved June 25, 2024</ref>
|-
|2023
|[[Rambus]]
|Completion of acquisition of SerDes and memory interface PHY IP business from Rambus Inc.
|not disclosed
|<ref name="OriginalRef_Staff_SiliconSemiconductor.net">{{Cite web |title=Cadence completes acquisition of PHY IP assets from Rambus - News |url=https://siliconsemiconductor.net/article-gen/117580 |access-date=2023-09-17 |website=Silicon Semiconductor |language=en}}</ref>
|-
|2023
|Intrinsix Corporation
|Semiconductor design services provider
|not disclosed
|<ref>{{Cite web |last= |first= |title=Cadence to Acquire Intrinsix Corporation from CEVA |url=https://www.prnewswire.com/news-releases/cadence-to-acquire-intrinsix-corporation-from-ceva-301932978.html |access-date=2023-09-21 |website=www.prnewswire.com |language=en}}</ref>
|-
|2024
|Invecas Inc
|Design engineering, embedded software and system-level solutions provider
|not disclosed
|<ref>{{Cite web |last= |first= |title=Cadence Acquires Invecas to Accelerate System Realization |url=https://www.businesswire.com/news/home/20240108139218/en/Cadence-Acquires-Invecas-to-Accelerate-System-Realization |website=www.businesswire.com |language=en}}</ref>
|-
|2024
|BETA CAE
|Simulation and analysis software
|$1.24 billion
|<ref name="2024-03-05-Bajwa">{{Cite web |last1=Nellis |first1=Stephen |last2=Bajwa |first2=Arsheeya |date=March 5, 2024 |title=Cadence to buy BETA CAE Systems for $1.24 billion |url=https://www.reuters.com/technology/cadence-buy-analysis-platform-beta-cae-systems-124-billion-2024-03-05/ |access-date=March 5, 2024 |website=Reuters}}</ref>
|-
|2025
|Secure-IC
|Embedded security IP platform provider
|not disclosed
|<ref>{{Cite web |last= |first= |title=Cadence to Acquire Secure-IC, a Leader in Embedded Security IP|url=https://www.businesswire.com/news/home/20250121792961/en/Cadence-to-Acquire-Secure-IC-a-Leader-in-Embedded-Security-IP |website=www.businesswire.com |language=en}}</ref>
|-
|2025
|Arm’s Artisan foundation IP business
|Foundation IPs such as standard cell libraries, memory compilers, and GPIOs
|not disclosed
|<ref>{{Cite web |last= |first= |title=Cadence to Acquire Arm Artisan Foundation IP Business
|url=https://www.businesswire.com/news/home/20250416075935/en/Cadence-to-Acquire-Arm-Artisan-Foundation-IP-Business
|website=www.businesswire.com |language=en}}</ref>
|}
== Controversies ==
===Lawsuits===
*'''Avanti Corporation'''{{main|Cadence Design Systems, Inc. v. Avanti Corp}} From 1995 until 2002, Cadence was involved in a [[Cadence Design Systems, Inc. v. Avanti Corp|6-year-long legal dispute]]<ref name="bw">[https://www.bloomberg.com/news/articles/2001-09-02/the-avant-saga-does-crime-pay Business Week (pay wall)] overview of the entire case, after the criminal trial but before the purchase by [[Synopsys]].</ref> with [[Avanti Corporation]] (brand name "Avant!"), in which Cadence claimed Avanti stole Cadence code, and Avanti denied it. According to Business Week ''"The Avanti case is probably the most dramatic tale of white-collar crime in the history of Silicon Valley"''.<ref name="bw" /> The Avanti executives eventually pleaded ''no contest'' and Cadence received several hundred million dollars in restitution. Avanti was then purchased by [[Synopsys]], which paid $265 million more to settle the remaining claims.<ref>[http://www.eedesign.com/article/showArticle.jhtml?articleId=10806192 EEDesign article] about the final settlement.</ref> The case resulted in a number of [[legal precedent]]s.<ref>[http://direct.bl.uk/research/05/0C/RN149436533.html Cadence v. Avanti: The UTSA and California Trade Secret Law] {{Webarchive|url=https://archive.today/20120707114217/http://direct.bl.uk/research/05/0C/RN149436533.html |date=2012-07-07 }}, Danley, J., Berkeley Technology Law Journal, 2004, Vol 19; Part 1, pages 289-308</ref>
*'''Aptix Corporation''' Quickturn Design Systems, a company acquired by Cadence, was involved in a series of legal events with Aptix Corporation. Aptix licensed a patent to [[Mentor Graphics]] and the two companies jointly sued Quickturn over an alleged patent infringement. Amr Mohsen, CEO of Aptix, forged and tampered with legal evidence and was subsequently charged with conspiracy, perjury, and obstruction of justice. Mohsen was arrested after violating his bail agreement by attempting to flee the country. While in jail, Mohsen plotted to intimidate witnesses and kill the federal judge presiding over his case.<ref>[https://www.nytimes.com/2005/03/20/us/in-courts-threats-have-become-a-fact-of-life.html In Courts, Threats Become Alarming Fact of Life], Deborah Sontag, ''The New York Times'', 20 March 2005</ref> Mohsen was further charged with attempting to delay a federal trial by feigning incompetency.<ref>[http://www.eetimes.com/electronics-news/4049672/Odd-legal-saga-takes-an-ugly-turn Odd legal saga takes an ugly turn], Richard Goering, ''[[EE Times]]'', 02 August 2004</ref><ref>[http://www.eetimes.com/news/design/business/showArticle.jhtml?articleID=181401328 Jury finds Mohsen guilty of perjury, obstruction of justice], Dylan McGrath, ''[[EE Times]]'', 28 February 2006</ref> Due to the overwhelming misconduct, the judge ruled the lawsuit as unenforceable and Mohsen was sentenced to 17 years in prison.<ref>Bailey, Brian (September 6, 2011). [https://www.eetimes.com/amr-mohsen-a-story-so-bizarre/ "Amr Mohsen – A story so bizarre…"] EETimesRetrieved September 5, 2021</ref> Mentor Graphics subsequently sued Aptix to recoup legal costs. Cadence also sued Mentor Graphics and Aptix to recover legal costs.<ref>Santarini, Michael (February 19, 2003). [https://www.eetimes.com/mentor-loses-patent-suit-against-cadence/ "Mentor loses patent suit against Cadence"] EETimesRetrieved September 5, 2021</ref>
*'''Berkeley Design Automation''' In 2013, Cadence sued Berkeley Design Automation (BDA) for circumvention of a license scheme to link its Analog FastSpice (AFS) simulator to Cadence's Analog Design Environment (Virtuoso ADE).<ref>[https://www.eetimes.com/cadence-sues-berkeley-design-automation Cadence sues Berkeley Design Automation], Dylan McGrath, ''[[EE Times]]'', 15 April 2013</ref> The lawsuit was settled less than one year later with an undisclosed payment of BDA and a multi-year agreement to support interoperability of AFS with ADE through Cadence's official interface. BDA was bought by [[Mentor Graphics]] a few months later.<ref>[https://www.eenewseurope.com/news/mentor-buys-berkeley-da-after-cadence-lawsuit Mentor buys Berkeley DA after Cadence lawsuit], Peter Clarke, eeNews Europe, 24 March 2014</ref>
=== Export control violations and Chinese military university sales ===
In July 2025, Cadence Design Systems agreed to plead guilty to criminal charges and pay over $140 million in combined penalties for illegally exporting semiconductor design technology to China's [[National University of Defense Technology]] (NUDT), a military university controlled by [[China's Central Military Commission|China's Central Military Commission]].<ref name="reuters_china"/> According to the [[U.S. Department of Justice]] and [[Bureau of Industry and Security]], Cadence's Chinese subsidiary knowingly sold Electronic Design Automation (EDA) hardware, software, and semiconductor design technology valued at over $45 million to NUDT between 2015 and 2021, despite the university being placed on the U.S. Entity List in February 2015 due to its use of American technology for supercomputers "believed to support nuclear explosive simulation and military simulation activities."<ref>{{cite news|url=https://www.rcrwireless.com/20250731/test-and-measurement/cadence-fines|title=Cadence hit with $140.6 million in fines for tech export violations|date=2025-07-30|publisher=RCR Wireless News|accessdate=2025-08-24}}</ref><ref>{{cite news|url=https://govconexec.com/2025/07/cadence-design-settles-illegal-tech-transfer-to-china/|title=Cadence Design Settles Export Violation Charge|date=2025-07-28|publisher=GovCon Executive|accessdate=2025-08-24}}</ref>
The violations involved employees at Cadence's Chinese subsidiary using intermediary companies, including Central South CAD Center (CSCC) and later Phytium Technology, to disguise sales to the restricted military university.<ref>{{cite news|url=https://www.wilmerhale.com/en/insights/client-alerts/20250806-the-latest-doj-export-control-enforcement-action-highlights-china-risks|title=Latest DOJ Export Control Enforcement Action Highlights China Risks|date=2025-08-05|publisher=WilmerHale|accessdate=2025-08-24}}</ref> Internal communications revealed that Cadence China employees were explicitly instructed to refer to NUDT only in Chinese characters and use "CSCC" in English correspondence because "the subject [was] too sensitive."<ref>{{cite news|url=https://www.fenwick.com/insights/publications/doj-and-bis-flex-enforcement-priorities-as-u-s-semiconductor-design-company-agrees-to-guilty-plea-and-140m-fine|title=DOJ and BIS Flex Enforcement Priorities as U.S. Semiconductor Design Company Agrees to Guilty Plea and $140M Fine|date=2025-08-13|publisher=Fenwick & West|accessdate=2025-08-24}}</ref> The Department of Justice noted that Cadence received only partial cooperation credit because the company "failed to voluntarily disclose the misconduct" and did not fully facilitate interviews of China-based employees, ultimately resulting in the company being placed on three years of corporate probation.<ref>{{cite news|url=https://www.crowell.com/en/insights/client-alerts/joint-criminal-and-civil-export-controls-enforcement-lessons-from-the-cadence-case|title=Joint Criminal and Civil Export Controls Enforcement: Lessons from the Cadence Case|date=2025-08-20|publisher=Crowell & Moring|accessdate=2025-08-24}}</ref>
== See also ==
{{Portal|Companies}}
*[[Comparison of EDA software]]
*[[List of EDA companies]]
*[[List of semiconductor IP core vendors]]
*[[List of the largest software companies]]
*[[List of S&P 400 companies]]
*[[Semiconductor intellectual property core]]
*[[Ken Kundert]], Cadence fellow and creator of the [[Spectre Circuit Simulator|Spectre]] circuit simulation family of products (including [[SpectreRF]]) and the [[Verilog-A]] analog hardware description language
==References==
{{Reflist|30em}}
== External links ==
*{{Official website}}
{{Finance links
| name = Cadence Design Systems, Inc.
| symbol = CDNS
| sec_cik = 813672
| yahoo = CDNS
| google = CDNS:NASDAQ
}}
{{Programmable logic}}
{{CAD software}}
{{Major semiconductor companies}}
{{Electronics industry in the United States}}
{{Nasdaq-100}}
{{Authority control}}
[[Category:Electronic design automation companies]]
[[Category:
[[Category:Software companies of the United States]]
[[Category:Software companies based in the San Francisco Bay Area]]
[[Category:Companies based in San Jose, California]]
[[Category:American companies established in 1988]]
[[Category:Electronics companies established in 1988]]
[[Category:Software companies established in 1988]]
[[Category:1988 establishments in California]]
[[Category:Companies listed on the Nasdaq]]
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