normal NAND gate and Schmitt trigger NAND

Discussion in 'General Electronics Chat' started by vinodquilon, Feb 14, 2010.

  1. vinodquilon

    Thread Starter Member

    Dec 24, 2009
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    What is the difference between normal NAND gate and Schmitt trigger NAND ?
    Does it is interchangeable in an application ?
     
  2. Wendy

    Moderator

    Mar 24, 2008
    20,766
    2,536
    Yes. Visualize a convention NAND gate with a simple non inverting Schmitt trigger in front of each input.
     
  3. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    Well, you can use a Schmitt-trigger NAND to replace a regular NAND in most cases; if the inputs have fast rise/fall times.

    However, trying to use a regular NAND for a Schmitt-trigger NAND may cause problems, particularly if the input(s) to the gate have slow rise or fall times.
     
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