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Difference between Synchronous and Asynchronous Sequential Circuit
Synchronous Sequential Circuit Asynchronous Sequential Circuit
  • It is easy to design.
  • It is difficult to design.
  • A clocked flip flop acts as memory element.
  • An unclocked flip flop or time delay is used as memory element.
  • They are slower as clock is involved.
  • They are comparatively faster as no clock is used here.
  • The states of memory element is affected only at active edge of clock, if input is changed.
  • The states of memory element will change any time as soon as input is changed.

 

1Comment
y @yohaanj
7 Nov 2018 09:22 pm
Should it be synchronous is difficult to design and async is easy to design?

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