[sdiy] Issue with CD4024 Ripple Counter
modular at go2.pl
Fri Sep 17 10:51:29 CEST 2021
Try to experiment with slew rate of input signal. Feed it with the
fastest edges clock pulse you can get, say 20ns rise time. And decouple
the supply pins of the chip generously.
If that does not help, tell me what crack you smoke, would love to try
W dniu 2021-09-17 o 05:57, David G Dixon via Synth-diy pisze:
> Hey SDIY Team,
> I've got a device that uses a 4024 ripple counter. The datasheet says
> that it advances on the negative transition of the clock. All mine
> (CD4024BE) are advancing on the positive transition of the clock.
> However, I tried an MC14024BCP and it worked properly.
> Am I smoking crack? Why are my CD4024s behaving opposite to the
> datasheet, but the MC14024 is behaving as per the datasheet? What is it
> that I don't know about these devices?
> Dave Dixon
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