A '''Pulsepulse transition detector'''<ref>{{cite web |title=T Is for Toggle: Understanding the T Flip-Flop - Technical Articles |url=https://www.allaboutcircuits.com/technical-articles/t-is-for-toggle-understanding-the-t-flip-flop/ |website=allaboutcircuits.com |access-date=22 July 2025 |language=en}}</ref> is used in [[Flip-flop (electronics)|flip flops]] in order to achieve [[signal edge|edge]] triggering in the [[Electronic circuit|circuit]]. It merely converts the [[clock signal]]'s rising edge to a very narrow pulse.
The PTD consists of a delay gate (which delays the clock signal) and the clock signal itself passed through a [[NAND gate]] and then inverted.
The benefit of edge triggering is that it removes the problems of zeroes and ones catching associated with pulse triggered flipflopsflip-flops (e.g. [[Flip-flop_(electronics)#Master.E2.80.93slave_.28pulseMaster–slave edge-triggered.29_D_flip D flip-flop|master slave flip flops]]).
