[vcf-midatlantic] What IC Do I Have Here?

[William Dudley]

It's a 7 segment display driver.  Here's the datasheet:

https://www.mikrocontroller.net/attachment/454578/AY-5-4007.pdf

dud

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!
> https://ibb.co/nLk3JBM
>
> 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
> have
> >> 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
> guess
> >> that a indicates the first in a series. Along that line, I'm thinking
> they
> >> 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
> hands.
> >>
> >> TIA
> >> Joe Giliberti
> >>
> >
>