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Texas Instruments TI-2700 Mini Data Bank

Date of introduction:  1987 Display technology:  LCD 
New price:   Display size:  6 char + 12 digits 
Size:  5.5" x 2.6" x 0.4"    
Weight:  2.9 ounces Serial No:  
Batteries:  3 * LR43 + CR1220 Date of manufacture:  mth 08 year 1988
AC-Adapter:   Origin of manufacture:  Taiwan (I)
Precision:  8 Integrated circuits:  Toshiba Txxxx + LC3518
Memories:  2.8kB RAM    
Program steps:   Courtesy of:  Joerg Woerner
    Download manual:   (US: 2.976 kB)

This TI-2700 Mini Data Bank sold in Germany features a different coloring schema but is otherwise identical with the Internation version. 

MiniDataBank_2_PCB.jpg (129179 Byte)Dismantling the TI-2700 reveals a clean architecture centered around a Toshiba single-chip microcomputer and a 2k Byte RAM memory. Please notice the 3 LR-43 working batteries supported by a CR1220 backup battery to maintain the data in the memory.

 



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

© Joerg Woerner, January 8, 2007. No reprints without written permission.