Help resurrect my Xerox Alto
hilpert at cs.ubc.ca
Tue Sep 21 14:03:40 CDT 2010
On 2010 Sep 20, at 9:16 PM, Nick Allen wrote:
> Need to find the 14 pin opamp (as I am also a purest and want it to
> be ORIGINAL), found a pair on ebay:
> WAY to expensive, and I only need 1, anyone have one they might be
> able to sell me, or able to find a cheaper source?
Well, if you can't find a (reasonably-priced) 14-pinner, the pinout
patterns of the 8 and 14-pin DIP versions are the same, so an 8-pin is
a drop-in replacement for the the 14-pin.
Begs the question of why the 14-pin version was ever produced, machine
I have a couple of 8-pin DIP 741s (UA741C) from 1974 (7409).
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