[sdiy] Another "which chip" question

The Old Crow oldcrow at oldcrows.net
Wed Oct 13 07:42:59 CEST 2004


  That part number being, the 7555.

On Wed, 13 Oct 2004, Paul Schreiber wrote:

> You want to use a CMOS version, like in the MOTM-101 (cough cough). The
> older bipolar versions draw 30ma (yes, 30ma) when the output is in
> transition, which glitches the heck out of the supply lines.
> 
> Paul S.




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