DATAMATH CALCULATOR MUSEUM
|The Educator TI-73
Explorer calculator in its package.
of the Educator TI-73 Explorer calculator.
construction of the Educator TI-73 Explorer makes use of two connected
printed circuit boards (PCB) for the dot-matrix display resp. the keyboard assembly.
|The PCB connected to the
dot-matrix display makes use of just one display
mounted on a small, flexible PCB.
|The close-up image of the
display driver reveals its genes: A Toshiba T6K04
for dot matrix displays with up to 128 columns and 64 rows mounted on a tape carrier package.
|The PCB connected to the keyboard
sports just an ASIC (Application Specific Integrated Circuit) and the
|A close-up image of the
TI-738X ASIC and the Spansion S29AL004 Flash-ROM.
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© Joerg Woerner, November 21, 2007. No reprints without written permission.