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Additional Pictures 

 

This late TI-85 with the Date code I-0395 was manufactured by
Inventec in Taiwan in March 1995. 

The PCB (printed circuit board) of this TI-85 manufactured  
in October 1992 looks very similiar to the first TI-81 introduced in 1990.

The main components of the TI-85: Toshiba T6A43 Application Specific CPU,  Sharp LH531©1993ROM
and Suwa Seikosha SRM20256 RAM. 

The Toshiba T6A43 Application Specific CPU.

This early TI-85 graphing calculator makes use of three display drivers :
Two T6A39 column drivers and one T6A40 row driver.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, February 20, 2009. No reprints without written permission.