DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI-83 Plus with the date code I-0799A was manufactured by Inventec in Taiwan in July 1999. |
The main printed circuit board
(PCB) of the TI-83 Plus manufactured in 1999 is
completely different to the previous TI-83. The Toshiba T6C79 Application Specific CPU was replaced by a two-chip approach based on a discrete Zilog Z-80 CPU and a Texas Instruments TI REF 9815455 ASIC. |
The PCB of this TI-83
Plus manufactured in Summer 1999 with the classic Z-80 based
architecture. The Flash-ROM AM 29F400 stores up to 512k Byte Program and the S-RAM Epson SRM2B256 sports 32k Byte capacity. |
This early TI-83 Plus hosts the original ASIC TI REF 9815455 in a standard flatpack housing. |
The display driver Toshiba T6A04A of the TI-83 Plus manufactured in July 1999. |
If you have additions to the above article please email: joerg@datamath.org.
© Mark Bollman and Joerg Woerner, August 3, 2008. No reprints without written permission.