Title
Calculator integrated circuitCatalog Number
102757880Type
Physical ObjectDescription
Object is a 28-pin dual inline packaged integrated circuit. The TMC0521 Scanning Read Only Memory SCOM contains 1k*13 instruction memory and 16*16 digits constants.Additional functions of the TMC0521 include scanning of the display digit driver outputs and the keyboard.
Date
circa 1973Manufacturer
Texas Instruments Incorporated (TI)Identifying Numbers
Model number | TMS0521 NL | Printed on the top |
Other number | 0521 44 | Printed on the bottom |
Other number | B7344 | Printed on the top |