Artifact Details Title Calculator integrated circuit Catalog Number 102757876 Type Physical Object 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. 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 Category Component/Semiconductor/IC Credit Gift of Michael J. Cochran Lot Number X7799.2016
