DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-2700 Mini Data Bank
| Date of introduction: | 1987 | Display technology: | LCD |
| New price: | Display size: | 6 characters + 12 digits | |
| Size: | 5.5" x 2.6" x 0.4" | ||
| Weight: | 2.9 ounces | Serial No: | |
| Batteries: | 3 * LR43 + CR1220 | Date of manufacture: | mth 10 year 1987 |
| AC-Adapter: | Origin of manufacture: | Taiwan (I) | |
| Precision: | 8 | Integrated circuits: | CPU: Toshiba Txxxx RAM: Sanyo LC3518 |
| Memories: | 2.8kB RAM | ||
| Program steps: | Courtesy of: | Joerg Woerner | |
| Download manual: | 
(US: 3.2 MByte) |
This
TI-2700 Mini Data Bank sold in Germany features a
different coloring schema but is otherwise identical with the International
version.
Dismantling
this TI-2700 Mini Data Bank manufactured in October 1987 by Inventec
Corporation in Taiwan reveals an interesting design centered around a
Toshiba Application Specific CPU and an additional RAM chip with 2k Byte
capacity.
Please notice the three LR43 working batteries supported by a CR1220 backup
battery to maintain the data of the memory.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 8, 2007. No reprints without written permission.