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  1. A pulse train with a 1 MHz frequency is counted using a 1024 modulus ripple counter using JK flip flops. The maximum propagation delay for each flip-flop should be

    2. A.
    1 μs
    B.
    0.5 μs
    C.
    0.2 μs
    D.
    0.1 μs

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    Answer : Option D

    Explanation :

    Total delay = = 1 ms = 10 x delay of one flip flop. Therefore delay for one flip-flop = 0.1 ms.

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