DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This TI-89 Graphing
Calculator was manufactured in April 1999 by Inventec Corporation in Taiwan (Date code I-0499B » mth 04 yr 1999).
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| The printed circuit board
(PCB) of this early TI-89 is centered around a
powerful Motorola SC414181 Application Specific CPU.
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Close-up view of the
SC414181 chip. |
Close-up view of the two
Epson SRM20V100 Static RAM chips. |
Close-up view of the
Sharp LH28F160 Flash ROM. |
Close-up view of the two
Sharp Drivers for the LC-Display.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, July 27, 2020. No reprints without written permission.
