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

1.

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

Answer: Option D

Explanation:

Number of flip-flops = 69-488 = 8.333 say 8

Modulus = 2⁸ = 256.

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