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Additional Pictures 

 

Close-up view of the TMC0583 DSCOM (Double Scanning and Read-Only Memory) Chip used with the TI-58 and TI-59.
PMOS Technology, 28-pin SPDIP 2.5k*13 Bits Instruction ROM with serial interface to Arithmetic Chip,
16 Constants with 16 digits, each and 16-digit display scanning.

Close-up view of the TMC0580/CD2401 DSCOM (Double Scanning and Read-Only Memory) Chip used with the TI-58C.
PMOS Technology, 28-pin SPDIP 2.5k*13 Bits Instruction ROM with serial interface to Arithmetic Chip,
16 Constants with 16 digits, each and 16-digit display scanning.

Die Photo of the TMC0580/TMC0582 courtesy of Sean Riddle.

Die Photo of the TMC0580/TMC0583 courtesy of Sean Riddle.

Die Photo of the TMC0580/CD2400 courtesy of Sean Riddle.

Die Photo of the TMC0580/CD2401 courtesy of Sean Riddle.


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, May 2, 2021. No reprints without written permission.