> FJH was the Valvo prefix
>
> http://www.elektron-bbs.de/elektronik/tabellen/ddr/digibiic.htm
>
> Like some of the Siemens stuff it could be kinda special slow TTL
> intended for noisy industrial or automotive environments.
Hmmm...Valvo. Thanks for the information.
I have this weird side hobby of collecting early (pre 1972-ish, but mostly
60s) ICs, and was unaware that Valvo made 7400 TTL.
William Donzelli
aw288_at_osfn.org
Received on Mon Mar 04 2002 - 19:30:16 GMT