CLK Do C lo 20 D₁ C 2₁ 2₁ D₂ C 2₂ Figure 1 . Using the asynchronous ripple counter in Figure 1 and assuming that the propagation delay from an input clock to a change in the output of Q is 9ns, what is the worst-case delay (i.e. longest delay) between an input clock pulse and the counter being in a final state. Give which state(s) of the counter have the worst-case delay.

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CLK
Do
C
lo
20
D₁
C
2₁
2₁
D₂
C
2₂
Figure 1
. Using the asynchronous ripple counter in Figure 1 and assuming that the propagation delay from
an input clock to a change in the output of Q is 9ns, what is the worst-case delay (i.e. longest
delay) between an input clock pulse and the counter being in a final state. Give which state(s) of
the counter have the worst-case delay.
Transcribed Image Text:CLK Do C lo 20 D₁ C 2₁ 2₁ D₂ C 2₂ Figure 1 . Using the asynchronous ripple counter in Figure 1 and assuming that the propagation delay from an input clock to a change in the output of Q is 9ns, what is the worst-case delay (i.e. longest delay) between an input clock pulse and the counter being in a final state. Give which state(s) of the counter have the worst-case delay.
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