DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-5219
| Date of introduction: | 1980 | Display technology: | Fluorescent |
| New price: | $110 (October, 1981) |
Display size: | 12 |
| Size: | 12.2 x 9.3" x 3.2" | Printer technology: | Impact red/black |
| Weight: | 5 pounds 0 ounces | Serial No: | |
| Batteries: | Date of manufacture: | ||
| AC-Adapter: | 120 V | Origin of manufacture: | Japan |
| Precision: | 12 | Integrated circuits: | NEC uPD1251G |
| Memories: | 1 + 1 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
Texas
Instruments introduced in 1980 a family of 4 similar desktop
calculators. Most features are identical, differences could be found in the
display and memory architecture:
| Model | TI-5213 | TI-5215 | TI-5217 | TI-5219 |
| Display | no | no | 12 digits | 12 digit |
| Memories | GT | GT, M | GT | M |
| Price | $110 | $125 | $135 | $150 |
Dismantling
the TI-5219 reveals a clear layout. The printer mechanism and power supply are
located in separate cavities of the housing. The keyboard could be easily
removed and reveals the printed circuit board (PCB) of the calculator.
The
PCB of the TI-5219 makes use of a single-chip microcomputer uPD1251G
manufactured by NEC Corporation, Japan.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 11, 2005. No reprints without written permission.