[sdiy] Issue with CD4024 Ripple Counter

[Tim Stinchcombe]

> The 4024 already has schmitt-trigger input. (Not on the reset line
though.)
> 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:

https://media.digikey.com/pdf/Data%20Sheets/Fairchild%20PDFs/CD4024BC.pdf

Tim
__________________________________________________________
Tim Stinchcombe 

Cheltenham, Glos, UK
email: tim102 at timstinchcombe.co.uk
www.timstinchcombe.co.uk