DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Close-up view
of the CT5002 single-chip calculator circuit used with the Caltronic 812 manufactured in
December 1972. PMOS Technology, 40-pin Ceramic DIP 1-bit serial Register Processor, Hard-wired Instructions, 2*48 Bits + 12 Bit Data SAM. Chip manufactured September 1972.   |
Die Photo of the
CT5002
courtesy of Sean Riddle. |
| Close-up view
of the CT5002 single-chip calculator circuit as used with the Privileg
812. PMOS Technology, 40-pin DIP 1-bit serial Register Processor, Hard-wired Instructions, 2*48 Bits + 12 Bit Data SAM. Chip manufactured December 1973.   |
X-Ray Image of the
CT5002, exposing its lead frame and wire bonding.
Package Pin 1 in upper-left quadrant. Image resolution: 2,400 DPI (95 pixel/mm).
Image
courtesy of Sean Riddle |
If you have additions to the above article please email: joerg@datamath.org.
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