94. What is the maximum delay that can occur if four flip-flops are connected as a ripple counter and each flip-flop has propagation delays of tPHL = 22 ns and tPLH = 15 ns?
(a) 15 ns (b) 22 ns (c) 60 ns (d) 88 ns
Answer
Answer : (d)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Counters » Exercise - 131. A 4-bit ripple counter consists of flip-flops, which each have a propagation delay from clock to Q output of 15 ns. For the counter to recycle from 1111 to 0000, it takes a total of ________. (a) 15 ns (b) 30 ns (c) 45 ns (d) 60 ns
Counters » Exercise - 119. A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(tot)) is ________. (a) 12 ms (b) 24 ns (c) 48 ns (d) 60 ns
Counters » Exercise - 131. A 4-bit ripple counter consists of flip-flops, which each have a propagation delay from clock to Q output of 15 ns. For the counter to recycle from 1111 to 0000, it takes a total of ________. (a) 15 ns (b) 30 ns (c) 45 ns (d) 60 ns