DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The
sales box of the TI-1250 sold
around Spring 1977 in the US.  |
| This TI-1250 Version 4 was manufactured
in May 1977 by Texas Instruments in Lubbock, TX (Date code 1877 LTA » week 18 year 1977).
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| The TI-1250
Version 4 manufactured
in May 1977 in Lubbock, TX with the front part of its housing removed.  |
| The printed circuit board
(PCB) Type 4 of the featured TI-1250 is centered around a TMS0972 single-chip calculator circuit.
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| 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, June 28, 2021. No reprints without written permission.
