Reply to post: Re: Timing is everything - hourglasses question

Sysadmin trained his offshore replacements, sat back, watched ex-employer's world burn

Voyna i Mor Silver badge

Re: Timing is everything - hourglasses question

"Is the correspondence with the 5v logic standard just coincidence?"

Probably yes. Other logic voltages were 10V and 12V (used with CMOS) and even 15V with a short lived industrial noise tolerant logic system. 5V didn't last all that long, either. Once HCMOS came along voltages started to drop fast.

I think it had more to do with being the lowest voltage that gave a good power/speed tradeoff with ttl.

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