From: "Jack Rubin" <jack.rubin at ameritech.net>
I've come across a few old ICs and haven't
been able to find out much
about them - lots of places on the 'net are willing to sell them but I
couldn't find a data sheet - only one clue that they _might_ be dual
op-amps. They are small cans (TO-??) with eight leads protruding from
the bottom, marked SG 1458T with a 1976 date code. Any help identifying
them would be appreciated. Kind of hoping they're really some sort of
shift register ...
Here's an overview:
http://www.datasheets.org.uk/specsheet.php?part=SG1458T
Looks like it's a dual op amp.
Vince