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any replacement

Discussion in 'Electronic Basics' started by Jack, Oct 15, 2004.

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  1. Jack

    Jack Guest

    hi all

    i need six, 2 input nand schmitt trigger gates in a single ic.

    i just don't want to use 2, cd4093 ics. Is there any such ic which i can use?

    thanks for reply
     
  2. CFoley1064

    CFoley1064 Guest

    Subject: any replacement
    Hi, Jack. Sorry to say, I believe the part you're seeking doesn't exist.

    If you want to use MML (Mickey Mouse Logic), you can kludge together a one-IC
    solution with a 74C14 like this:

    VCC
    +
    |
    .-.
    | |
    | |
    '-'
    | |\
    A o---|<--o--|H>O- o Q
    | |/
    |
    B o---|<--o
    created by Andy´s ASCII-Circuit v1.24.140803 Beta www.tech-chat.de


    Q is low only when A AND B are high, and there is some hysteresis for the
    second signal to change. It is slower than a standard gate, and there will be
    more space and holes/pads than two ICs. I don't think this is better than two
    ICs, but there it is.

    Use two ICs.

    Good luck
    Chris
     
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