[sdiy] 4027 flip-flop weirdness.. debouncing time

[Jean-Pierre Desrochers]

>5us - is that enough time to debounce a mechanical switch?

Karl, after several years of trial & tests I can tell
you the best debounce time I found and still use
is around 20msec.
5usec is way too short..
My 2 cents.
JP 


 On Wed 11/03/09 00:01 , Karl Ekdahl elektrodwarf at yahoo.se sent:
> 
> > According to the data book I  have the
> clock needs to> transition in under 5 us.  How exactly are
> you doing> your debouncing?
> 
> Hmm maybe this is my problem, i did a lowpass with 27K / 1.8nF and a 1M to
> ground for discharge. That is 0.3mS charge and 11ms discharge... 5uS - is
> that enough time to debounce a mechanical switch?
> Karl
> 
> 
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