[Test-Equipment] MC8309P

[Gary Chatters]

>
>A friend and I are trying to repair an old HP counter (HP 5345A). One of
>its
>faults is a failed HP 1820-0610 , which has the commercial equivalent
>MC8309P.
>Does anyone on this list know a reasonably priced source of MC8309P?.
>
>Alternatively, I understand that this is a TTL part of some description,
>and I
>was wondering if it could be functionally replaced with one or more
>modern
>faster parts. However I do not have a data sheet, and cannot find one on
>the
>web. Does anyone on the list know where I can find a datasheet?
>


The National web site indicates that their equivalent is the 9309,
a dual 4-bit multiplexer, http://www.national.com/pf/93/9309.html

It comes in a 16-pin DIP.

You might want to double check that, though.


gc