On Sun, 27 Jan 2013, William Donzelli wrote:
I have here an odd 7400 TTL chip - the prefix is TG.
TG74S00J. Who was
this? Who made TG74xx TTL? It looks somewhat like an old Sylvania
ceramic DIP from the early 1970s. I have perhaps thought Transitron,
but it is not. And there is no logo, other than a plain looking T.
Ideas?
Toshiba?
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology
http://sturgeon.css.psu.edu/~mloewen/Oldtech/