DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This TI-73
ViewScreen calculator with the Date code
I-0598 was manufactured by Inventec in Taiwan in May 1998 . Please notice the bulkier housing to accommodate the additional electronics.
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| The
printed circuit boards (PCBs) of the TI-73 VSC are identical with its sibling but added a small connector to a piggy-back PCB with the two additional driver circuits.
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| The PCB of this TI-73
VSC manufactured in May 1998 with the classic Z80 based
architecture. The Flash-ROM AM 29F400 stores up to 512k Bytes Program and the SRAM Epson SRM2B256 sports 32k Bytes capacity.
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| Additional Zoom-Images -
Zilog Z80 CPU:
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| Additional Zoom-Images -
ASIC.
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| Additional
Zoom-Images - NOR Flash-ROM:
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| Additional
Zoom-Images - S-RAM:
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| The Toshiba T6A04 display driver
of the TI-73 VSC in a small COB housing mounted on a second PCB:
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, August 9, 2009. No reprints without written permission.
