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Introduction to Asynchronous Counter
  • The asynchronous counter are also called as ripple counter.
  • The basic flipflop is T and basic counting is binary up counting.The up counter are used for implementing incrementation.Due to the simpler design ,asynchronous counter are preferred in IC counter fabrication.
  • IC 7490 is a decade counter  i.e %10 counter
  • IC 7492 is hexadecimal counter .i.e %16 counter

we can constuct up counter ,down counter as well as random counter.

 

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