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how to define the startup state of a flipflop?

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Discussion in 'Electronic Basics' started by will, Jul 30, 2003.

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  1. Jul 30, 2003 #1
    will

    will Guest

    i'm looking into a flipflop that has a well defined state during
    startup. can someone please tell me how to make a flip flop that
    allways starts in 0-state (or 1-state) with basical ports such as and,
    nand, nor, ...
    thanks in advance
     
  2. Jul 30, 2003 #2
    Keith R. Williams

    Keith R. Williams Guest

    Reset (or set) it on power on. Depending on the power characteristics
    and allowable glitches, the circuit may be a simple RC network or
    something more complicated.
     
  3. Jul 30, 2003 #3
    eromlignod

    eromlignod Guest

    You just need a flip-flop with a "clear" line.

    Don
     
  4. Jul 31, 2003 #4
    will

    will Guest

    this has been a great help, but it seems like i wont be able to go
    around the use of a capacitor which is where i am searching for.
    thank you very much!
     
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