1987.0487.165 Texas Instruments Collection Object

4" Silicon Wafer - 1976
TI number: G00427

This plaque contains a probed slice from the first lot of 4in silicon processed through Sherman BP1. The lot was probed on June 28, 1976. The device type is SN7489, a 64 bit Random Access Read/Write Memory.
Texas Instruments (Burrell Ketcham.)

Contact Nance L. Briscoe for further information



National Museum of American History


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