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Design MOD using logic gates

Design MOD –12 counter using IC7493 and logic gates. (10marks)

Truth table

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It is 4 bit ripple counter

As we have to design MOD 12 counter 4 FFS are required.

So clock is applied at input ClKA and FF QA is connected to input ClKB. The counter should reset after count 11

connect QD, QB are connected to AND gate and used to clear the count when count reaches 1100

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