Digital Electronics

Q1: A JK flip flop has tpd= 12 ns. The largest modulus of a ripple counter using these flip flops and operating at 10 MHz is

A 16

B 64

C 128

D 256

ANS:D - 256

Number of flip-flops = = 8.333 say 8 Modulus = 28 = 256.



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