Compare synchronous and asynchronous counter.

1 Answer

Answer :

Asynchronous Counter
Synchronous Counter
In an Asynchronous Counter the output of one Flip Flop acts as the clock Input of the next Flip Flop.
In a Synchronous Counter all the Flip Flop’s are Connected to a common clock signal. 
Speed is Low
Speed is High
Only J K or T Flip Flop can be used to construct Asynchronous Counter 
Synchronous Counter can be designed using JK,RS,T and D FlipFlop.
Problem of Glitch arises
Problem of Lockout
Only serial count either up or down is possible.
Random and serial counting is possible.
Settling time is more
Settling time is less
Also called as serial counter
Also called as Parallel Counter
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