DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This SR-10 Version 3 was manufactured
in May 1975 |
|
The double-sided printed circuit board
(PCB) of the SR-10 Version 3 is centered around a TMS0120 single-chip calculator circuit. |
|
Close-up
view of
the TMS0120 (TMS0720) single-chip calculator circuit.
|
|
Close-up
view of the SN75494 Segment Driver.
|
Close-up
view of the SN27931 Support Chip.
|
Close-up
view of
the DIS115F Display PCB with 12 individual DISXXX Seven-Segment displays. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 18, 2021. No reprints without written permission.