Additional Pictures 


Close-up view of the TMC0598 Multi-Register Chip used with the TI-58, TI-59 and TI-5230.
PMOS Technology, 16-pin DIP 240*8 Bits Random Access Memory with 4-bit I/O Bus to Arithmetic Chip.

Die Photo of the TMC0598/TMC0599 courtesy of Sean Riddle.

If you have additions to the above article please email:

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