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Digital Monostable

Discussion in 'Electronic Basics' started by cooldude, Aug 15, 2006.

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  1. cooldude

    cooldude Guest


    1) Is there any equivalent to monostable in fully digital electronics
    (logic gates)? I am trying to trigger a pulse (a set width) with a very
    narrow recovery time (in the range of 100ns or less) before the next.
    74LS221 seems to work although getting weird pulses (very short
    retrigger pulses) occasionally.

    2) And also whats the difference between the normal monostable and the
    precision ones? As the name suggested they'd be more precise

    3) Would 74HCT version will be more suitable although I read somewhere
    they are slower than the ls version.

  2. John Fields

    John Fields Guest

    I don't understand what you're getting at here. What's the width
    and repetition rate of your input pulse, the width of your output
    pulse, and do you want the one-shot to be retriggerable or not?
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