Texas Instruments TI-5112

Date of introduction:  1980 Display technology:  LCD
New price:   Display size:  12
Size:  7.2" x 5.0" x 1.6"
 182 x 127 x 40 mm3
Weight:  9.7 ounces, 276 grams Serial No:  107924
Batteries:  2*AA Date of manufacture:  mth 12 year 1980
AC-Adapter:   Origin of manufacture:  Japan
Precision:  12 Integrated circuits:  Toshiba T6736S
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

TI-5112_Back.jpg (286590 Byte)Compared with the later "Cheapos"  this TI-5112 feels very strong and solid. It features everything you need for the daily use on your desktop. 

A cheaper model was available almost three years later as TI-5020 and it took another year and the TI-5100 II upgraded the LC-Display to a green fluorescent display.

TI-5112_PCB.jpg (434373 Byte)Dismantling the TI-5112 reveals a clean design based on the Toshiba T6736S single-chip calculator circuit but hides the true manufacturer of the calculator. We suspect Toshiba based on the layout and appearance of the printed circuit board (PCB) but can't proof it.


horizontal rule

If you have additions to the above article please email:

Joerg Woerner, December 5, 2001. No reprints without written permission.