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MC14500BCP. Not sure what the CP stands for assuming without, is the "same". Partco, "sells" (assume no buyers.. see talk) "CMOS-LOGIC IC 4500 DIP16", assume a clone of "Also known as MC14500BCP". 2,50€ (10% discount) not a good deal.. :) |
Delete "Most calculators used a bit serial design". I think you meant bit slicing and as Harris said, then n-bit. I added: "before using 4-bit and later up to 32-bit processors" now thinking they probably started with 4-bit+ or slicing of. |
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An example of a 1-bit architecture that was actually marketed as a CPU is the [[Motorola MC14500B]] Industrial Control Unit.<ref>{{cite web|publisher=[[Motorola]]|title=MC14500B Industrial Control Unit. Semiconductor Technical Data, Rev. 3|url=http://www.brouhaha.com/~eric/retrocomputing/motorola/mc14500b/mc14500brev3.pdf|year=1995|accessdate=August 1, 2012}}</ref> There are also several design studies for 1-bit architectures in academia, and corresponding 1-bit logic can also be found in programming.
Other examples of 1-bit architectures are [[programmable logic controllers]].
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