[sdiy] D Flip Flip start-up state

[Dave Magnuson]

At 10:03 AM 8/31/03 -0800, Scott Gravenhorst wrote:

>I would use a Schmitt trigger gate to watch a capacitor charge through a
resistor that
>is tied to logic +V.  The time constant of the RC should be longer than
the power up
>time.  The output of the Schmitt trigger is then differentiated (series
capacitor) to
>turn the edge it produces into a short pulse which is then applied to
either the
>direct set or direct reset input of the flipflop depending upon which
state you'd like
>to start up in.
>

This would work well in my circuit since I have some spare Schmitt triggers
left over from the debouncing circuit.   

Thanks to Scott and Magnus for your quick replies.

Dave Magnuson





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