|1987.0487.238.02||Texas Instruments Collection||Object|
|Integrated Circuit - 1964
TI number: G00158
These devices, data code 415 (1964, 15th week) are from early production of TI's first catalog line of linear circuits.
These units were part of QRA Weekly-Add-To test lot. At that time, a random sample was taken from production each week and placed on life and environmental testing. The SN521 is an operational amplifier (Op Amp).
|Texas Instruments (Howar Moss, Charles Phipps.)