Title
Calculator integrated circuit
Catalog Number
102757879
Type
Physical Object
Description
Object is a 28-pin dual inline packaged integrated circuit. This is the ROM chip for the SR-20 calculator.
Date
circa 1972
Manufacturer
Texas Instruments Incorporated (TI)
Identifying Numbers
Model number |
TMS 0304 NC |
Printed on the top |
Other number |
020735 |
Printed on the bottom |
Other number |
7238 |
Printed on the top |
Dimensions
overall: 1/4 in x 5/8 in x 1 3/8 in
Category
Component/Semiconductor/IC
Credit
Gift of Michael J. Cochran