DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Close-up view
of the CZL-550 single-chip calculator circuit used with the Gilette GPA
Prototype manufactured in August 1974. PMOS Technology, 24-pin Ceramic DIP RISC Processor, 72*27 to 63 Bits Instruction ROM, 3*44 Bits + 1*9 Bits Data SAM.   |
Die Photo of the
CZL-550
courtesy of Sean Riddle. |
| Close-up view
of the CZL-550 single-chip calculator circuit used with the Radofin Model
2200 manufactured in May 1974. PMOS Technology, 24-pin Plastic DIP RISC Processor, 72*27 to 63 Bits Instruction ROM, 3*44 Bits + 1*9 Bits Data SAM.   |
If you have additions to the above article please email: joerg@datamath.org.
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