Artifact Details

Title

Calculator integrated circuit

Catalog Number

102757876

Type

Physical Object

Date

circa 1972

Manufacturer

Texas Instruments Incorporated (TI)

Identifying Numbers

Model number TMS 0120 nc Printed on top
Other number 0720 31 Printed on top
Other number C7331 Printed on bottom

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 single chip calculator with an 8 digit mantiss and a two digit exponent display but still uses external display drivers.

Credit

Gift of Michael J. Cochran

Lot Number

X7799.2016