In a 4-stage ripple counter, the propagation delay of a flip-flop is 30 ns. If the pulse width of the strobe is 30 ns, the maximum frequency at which the counter operates reliably is nearly

In a 4-stage ripple counter, the propagation delay of a flip-flop is 3

1.	In a 4-stage ripple counter, the propagation delay of a flip-flop is 30 ns. If the pulse width of the strobe is 30 ns, the maximum frequency at which the counter operates reliably is nearly
A.	9.7 MHz
B.	8.4 MHz
C.	6.7 MHz
D.	4.4 MHz
Answer» D. 4.4 MHz

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In a 4-stage ripple counter, the propagation delay of a flip-flop is 30 ns. If the pulse width of the strobe is 30 ns, the maximum frequency at which the counter operates reliably is nearly

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