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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
Close-up view
of the HD36290 single-chip calculator circuit used with the Lloyd's Accumatic 30 (Model EH-9036,
Type 255D). PMOS Technology, 28-pin DIP 1-bit serial Register Processor, 328*17 Bits Instruction ROM, 3*44 Bits Data SAM. Manufactured April 1975. ![]() ![]() |
Die Photo of the
HD36290
courtesy of Sean Riddle.![]() |
If you have additions to the above article please email: joerg@datamath.org.
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