DATAMATH CALCULATOR MUSEUM |
Additional Pictures
Close-up view
of the TMS1071 single-chip calculator circuit used with the TI-2550 II. PMOS Technology, 28-pin DIP 4-bit Microcontroller, 1,024*8 Bits Instruction ROM, 64*4 Bits Data RAM. |
Die Photo of the
TMS1071
courtesy of
Sean Riddle. |
Close-up
view of the TMC1079 single-chip calculator circuit used with the Canon
MD-8. PMOS Technology, 28-pin SPDIP 4-bit Microcontroller, 1,024*8 Bits Instruction ROM, 64*4 Bits Data RAM. |
Die Photo (after
acid)
of the TMC1079
courtesy of
Sean Riddle. |
If you have additions to the above article please email: joerg@datamath.org.
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