[vcf-midatlantic] What IC Do I Have Here?
wfdudley at gmail.com
Thu Jan 13 21:33:21 UTC 2022
It's a 7 segment display driver. Here's the datasheet:
This email is free of malware because I run Linux.
On Thu, Jan 13, 2022 at 4:32 PM Joseph Giliberti via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:
> This'll work. Thanks for the heads up Dud!
> On Thu, Jan 13, 2022, 4:14 PM Joseph Giliberti <kd2dhp at gmail.com> wrote:
> > I meant to include a photo. Here ya go
> > On Thu, Jan 13, 2022, 4:06 PM Joseph Giliberti <kd2dhp at gmail.com> wrote:
> >> Greetings!
> >> AY-5-4007A
> >> I actually have five of them. I'm assuming based on the part number that
> >> they were made by General Instruments. They are 40 pin 0.6 inch dual
> >> in-line units with a white ceramic case and not-gold pins. All five I
> >> are dated the fourth week of 1974.
> >> I can find no references to this exact part number. There is a known
> >> AY-5-4007D, which is a 24 pin seven segment display driver. I would
> >> that a indicates the first in a series. Along that line, I'm thinking
> >> might be bit-slice ALU chips, but that's just a wild guess.
> >> Regardless of what they turn out to be, I have absolutely no use for
> >> them, so let me know privately if you would like to take them off my
> >> TIA
> >> Joe Giliberti
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