counters
Synchronous counter
A synchronous counter, in contrast to an asynchronous counter, is one whose output bits change state simultaneously, with no ripple. The only way we can build such a counter circuit from J-K flip-flops is to connect all the clock inputs together, so that each and every flip-flop receives the exact same clock pulse at the exact same time.
4-bit synchronous up Counter
4-bit synchronous up Counter
4-bit synchronous down Counter
4-bit synchronous up down Counter
Asynchronous counter
Mod 10 Asynchronous counter
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