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Discussion :: Digital Electronics

  1. For which of the following digital logic family has the lowest propagation delay time
  2. A.
    ECL
    B.
    TTL
    C.
    CMOS
    D.
    PMOS

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    Answer : Option A

    Explanation :

    Lowest propagation delay time is possible in ECL because the transistors that are used in difference amplifier configuration, which are never driven into saturation and thereby the storage time is eliminated


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