DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Close-up view
of the HD3633 single-chip calculator circuit used with the Lloyd's Accumatic 30 (Model EH-9036,
Type 255C) manufactured in February 1975. PMOS Technology, 40-pin DIP 4-bit serial Register Processor, Hard-wired Instructions, 4*32 Bits Data SAM. Chip manufactured January 1975.   |
Die Photo of the
HD3633
courtesy of Sean Riddle. |
If you have additions to the above article please email: joerg@datamath.org.
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