DATAMATH CALCULATOR MUSEUM |
Texas Instruments LETTERlogic
Date of introduction: | 1980 | Display technology: | Vacuum Fluorescent |
New price: | Display size: | 8 alphanumeric | |
Size: | 6.2" x 3.4" x 1.1" 157 x 86 x 29 mm3 |
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Weight: | 5.7 ounces, 163 grams | Serial No: | |
Batteries: | 9V | Date of manufacture: | year 1980 |
AC-Adapter: | Origin of manufacture: | Italy | |
Precision: | Integrated circuits: | TMC0273, TMC0355 (CD2603) | |
Memories: | |||
Program steps: | Courtesy of: | Joerg Woerner |
This
LETTERlogic sold in the France is almost identical with its German and British
siblings
LETTERlogic and LETTERlogic
but sports a different imprint on the keyplate.
The
printed circuit boards (PCBs) of the three versions are almost identical and share the
TMC0273 microcontroller and a TMC0355
Voice Synthesis Memory (VSM), known as "128kBit Speech-ROM" of the Speak & Spell
family. The different languaged of the three games are coded in these ROMs:
• CD2601:
Mr. Challenger, LETTERlogic (UK) • CD2603: LETTERlogic (France) • CD2604: LETTERlogic (Germany) |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, August 1, 2012. No reprints without written permission.