DATAMATH CALCULATOR MUSEUM |
Additional Pictures
Close-up view
of the TMC0981 single-chip calculator circuit used with the TI-30 and
SR-40. PMOS Technology, 28-pin SPDIP 4-bit Microcontroller, 2,048*9 Bits Instruction ROM, 144*4 Bits Data RAM. |
Die Photo of the
TMC0980/TMC0981
courtesy of
Sean Riddle. |
Die Photo (after acid) of the
TMC0980/TMC0981
courtesy of
Sean Riddle. |
If you have additions to the above article please email: joerg@datamath.org.
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