old ic pinouts

Dec 02, 2008 5 Replies

does anyone have an especially good source for datasheets and or pin outs for old ic's. i have obtained a naked 40 pin dip chic for a digital clock and can't do much but look at it without a spec sheet. it's a 'mm5396n' manufactured by national semiconductor.


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and of course

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And, also of course, none of them seem to have info on that ol' timer. (no pun intended, really)

I probably built a clock with that chip or a close relative, back in the day.

You might also try over at Jameco; they likely carried it once upon a time, either the bare chip or as part of a Jim-pak clock kit. The back of a rather yellowed AY-5-2376 (1980 date code on the chip) Jim-pak package shows an MM5262 and MM5314N.

It won't be in their current inventory but you might get lucky with a call to customer support.

Rich Webb Norfolk, VA

National Semiconductor MOS/LSI databook. I can scan and send to your email if you like.

l if you like.

i would immensely appreciate it

you like.

Check your email..

:does anyone have an especially good source for datasheets and or pin :outs for old ic's. i have obtained a naked 40 pin dip chic for a :digital clock and can't do much but look at it without a spec sheet. :it's a 'mm5396n' manufactured by national semiconductor.

Are you sure it wasn't the MM5316?

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