A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10

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A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10

by anonymous asked May 3, 2018 188 views

A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10 nsec. Then the maximum operating frequency at which counter operates reliably is

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An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50ns. The frequency of the input signal which can be used for proper operation of the counter is approximately (A) 1 MHz. (B) 500 MHz. (C) 2 MHz. (D) 4 MHz.

An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50ns. The frequency of the input signal which can be used for proper operation of the counter is approximately (A) 1 MHz. (B) 500 MHz. (C) 2 MHz. (D) 4 MHz.
Answer : Maximum time taken for all flip-flops to stabilize is 75ns x 8 + 50 = 650ns. Frequency of operation must be less than 1/650ns = 1.5 MHz....

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Each flip-flop in a 4-bit ripple counter introduces a maximum delay of 40 n sec. The maximum clock frequency

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Answer : Each flip-flop in a 4-bit ripple counter introduces a maximum delay of 40 ns. The maximum clock frequency is 6.25MHz. nff * Tdelay = 4*40 =160ns so, max. frequency = 1/ (200*10-9 ) = 6.25MHz ...

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anonymous · Answer 1 · 2018-05-03T21:58:41+0000

A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10 nsec. Then the maximum operating frequency at which counter operates reliably is 12.67 MHz

A 3 -stage ripple counter has Flip Flop with propagation delay of 25 nsec and pulse width of strobe input 10

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