4004 and IC history / was Re: Vintage computer photogallery

Ethan Dicks ethan.dicks at gmail.com
Sun Oct 14 01:09:49 CDT 2007


On 10/13/07, Brent Hilpert <hilpert at cs.ubc.ca> wrote:
> Tim Shoppa wrote:
> > For fun, abandon gates and instead build stuff out of CD4007's.
> > The datasheets and part number might make you think it's a logic
> > chip, but in real life it's some NMOS/PMOS pairs with a good amount
> > of the internal connections available. Lotsa fun as an analog device!
>
> Yeah, that's an oddball, I remember learning about it when building a pong
> game from Popular Electronics out of CMOS SSI and Norton amps as a teenager.

There's some stuff in Don Lancaster's "CMOS Cookbook" about the
CD4007.  Quite interesting to read about.

-ethan



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