DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This TI-85
ViewScreen calculator w/o Date code
was manufactured by Inventec in Taiwan in June 1992.
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| Please notice the
bulkier
housing to accommodate the additional electronics.
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| The
printed circuit board (PCB) of the TI-85 VSC is
identical with its sibling but added a small connector on the display board to a piggy-back PCB with the additional driver circuits.
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| The piggy-back
PCB with just one additional driver circuits and a connector for the
external ViewScreen.
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| The main
components of the TI-85 VSC: Toshiba T6A43 Application Specific CPU,
Toshiba TC541001 OTP-ROM and Suwa Seikosha SRM20256 RAM.
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| This early TI-85 VSC graphing calculator makes use of three display drivers
: Two T6A39 column drivers and one T6A40 row driver.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 23, 2009. No reprints without written permission.
