[sdiy] CD4067 MUX, supplier differences?

Tom Arnold xyzzy at sysabend.org
Wed Oct 17 05:28:16 CEST 2012

On Wed, Oct 17, 2012 at 03:58:31AM +0200, Ove Ridé wrote:
> A first sanity check: Are you sure it's a CD4067 you're using and not
> a 74HC4067? Despite what anyone might have told you, they're not
> equivalent. While the pinout is identical, the 74HC variant has a
> lower limit for the Vcc than a proper CD4067.

Unless TI is labeling their parts wrong I've tried CD4067s from two batches.

I'm really stumped on this one.  Puppy staring at gramophone level of

 - Tom Arnold       -  Free Synth DIY webspace http://www.sdiy.org 
 - SynthGeek        -  "...is it a virus, a drug, or a religion?"
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