Hello,
Fedlog says it is a TTL 4 bit storage register. No
JEDEC P/N cross reference given, but it is probably
74xx series. It is also the same as an 1820-0091 and
1820-0116.
Regards,
Jim
--- iandurieu <idurieu@...> wrote:
Hi all,
I've got a dead 1820-0090 IC from an 5216A counter
and am looking for
a common replacement if it exists.
Its function is "buffer storage" and it sits between
a decade counter
& a decoder driver chip.
In my search I came across
which has heaps of HP semicond/IC cross reference
data but
unfortunately doesn't include the 1820-0090.
Cheers
Ian Du Rieu
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