DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Close-up view
of the SN75492 Digit Driver Chip used with the Datamath and other
calculators. Bipolar Technology, 14-pin DIP, 6 * 250 mA Drivers.  |
Die Photo of the
SN75492
courtesy of
Sean Riddle. |
| Close-up view
of the SN96912 Digit Driver Chip used with the PC-100, PC-100A and
TI-5230. Bipolar Technology, 14-pin DIP, 6 * 250 mA Drivers.   |
Die Photo of the
SN96912
courtesy of
Sean Riddle. |
Die Photo (after acid)
of the
SN96912
courtesy of
Sean Riddle. |
| Close-up view
of the SN99253 Digit Driver Chip used with the Regency Radio Scanner ACT-T16K. Bipolar Technology, 14-pin DIP, 6 * 250 mA Drivers.   |
Die Photo of the
SN99253
courtesy of
Sean Riddle. |
Die Photo (after acid)
of the
SN99253
courtesy of
Sean Riddle. |
If you have additions to the above article please email: joerg@datamath.org.
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