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Additional Pictures 

 

Close-up view of the TMS0801 single-chip calculator circuit used with the Canon LE-84.
PMOS Technology, 28-pin DIP 4-bit serial Register Processor, 320*11 Bits Instruction ROM, 3*11*4 Bits Data SAM.

Die Photo of the TMS0800/TMS0801 courtesy of Sean Riddle.

Close-up view of the TMC0805 single-chip calculator circuit used with the Sinclair Scientific.
PMOS Technology, 28-pin DIP 4-bit serial Register Processor, 320*11 Bits Instruction ROM, 3*11*4 Bits Data SAM.

Die Photo of the TMS0800/TMC0805 courtesy of John McMaster.


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

Joerg Woerner, November 25, 2021. No reprints without written permission.