[sdiy] Issue with CD4024 Ripple Counter
ben at stuyts.nl
Sat Sep 18 16:48:58 CEST 2021
> On 18 Sep 2021, at 16:23, Tim Stinchcombe <tim102 at timstinchcombe.co.uk> wrote:
>> The 4024 already has schmitt-trigger input. (Not on the reset line
>> Datasheet says unlimited rise/fall time is allowed.
> I'd be a little hesitant to suggest that this is so for _all_ makes of
> CD4024 chips - on this Fairchild datasheet the maximum 'input rise and fall
> times' given suggest there is a limit that one is recommended to not exceed:
$DEITY! That is confusing even more. And different timing again.
I was looking at TI and ON Semi:
which both have the Schmitt-trigger input. Fairchild doesn’t even mention it.
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