DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI-1200 Version 4 was manufactured
in April 1977 by Texas Instruments in Lubbock, TX (Date code 1677 LTA » week 16 year 1977).
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The TI-1200
Version 4 manufactured
in April 1977 in Lubbock, TX with the front part of its housing removed. |
The printed circuit board
(PCB) Type 4 of the featured TI-1200 is centered around a TMS0972 single-chip calculator circuit.
|
Close-up view of the
TMS0972 packaged in a 28-pin SPDIP (Shrink Plastic Dual In-line Package). |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 29, 2021. No reprints without written permission.