DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This early TI-1255 was manufactured
in April 1976 by Texas Instruments in Lubbock, TX (Date code LTA 1676 » wk 16 yr 1976).
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| This later TI-1255 was manufactured in July
1976 by Texas Instruments in Lubbock, TX (Date code LTA 2776 » wk 27 yr 1976).  |
| The "TI-1250"
Version 3 manufactured
in April 1976 in Lubbock, TX with the front part of its housing removed.  |
| The printed circuit board
(PCB) Type 3 of the featured TI-1255 is centered around a TMS0972 single-chip calculator circuit.  |
| Close-up view of the
TMS0972 packaged in a 28-pin DIP (Dual In-line Package).  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 22, 2009. No reprints without written permission.
