On Sun, 3 Mar 2002, William Donzelli wrote:
> I have a weird TTL here - a brand I have never seen. It is marked
> FJH121/7410N witha 6920 datecode, and the logo is a diamond with an
> "A" inside. Japanese, perhaps? I have seen that logo before...
>
> Ideas?
Fujitsu? Hitachi? A good cross reference book should show who made 'FJH'
parts. Somehow I doubt they were making 7400 series logic chips in 1969,
so the 6920 number must be an in-house date code of some sort.
-Toth
Received on Mon Mar 04 2002 - 10:48:15 GMT
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