Top

Discussion

A 4 bit modulo 16 ripple counter uses JK flip-flops. If the propagation delay of each FF is 50 ns. The max. clock frequency that can be used is equal to

  • A.20 MHz
  • B.10 MHz
  • C.5 MHz
  • D.4 MHz

Answer: C

Propagation Delay for one FF is 50 nsec. For 4 FF = 50 x 4 = 200 nsec.

No comment is present. Be the first to comment.
Loading…

Post your comment