Artifact Details

Title

Calculator integrated circuit

Catalog Number

102757879

Type

Physical Object

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

Description

Object is a 28-pin dual inline packaged integrated circuit. This is the ROM chip for the SR-20 calculator.

Credit

Gift of Michael J. Cochran

Lot Number

X7799.2016