14602Re: [cosmacelf] IC Date Codes
- Dec 12, 2013joshbensadon@... wrote:
>I don't think there were any HC parts in the 1970's, so I'd guess 1984.
> I'm sure it's come up in the past, but that's ok, after all, that's what
> this message board is all about.
> How to tell when a 3 digit date code is talking about 1970's or 1980's?
> I'm going to hope by 1990 they were seeing value in writing 2 digit year
> I have here a CD74HC373E from RCA, date code is 441. Is this 1974? or 1984?
> If it was an LS device, I would safely guess 1974, but when did the HC
> family come out?
But I don't know for sure. You could ask the manufacturer.
Anyone who has never made a mistake has never tried anything new.
-- Albert Einstein
Lee Hart -- See my Xmas projects at www.sunrise-ev.com/projects.htm
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