Texas Instruments TI-5217

Date of introduction:  1980 Display technology:  Fluorescent
New price:  
 $110 (October 1981)
Display size:  12
Size:  12.2 x 9.3" x 3.2" Printer technology:  Impact red/black
Weight:  5 pounds 0 ounces Serial No:  115356
Batteries:   Date of manufacture:  mth 05 year 1984
AC-Adapter:  120 V Origin of manufacture:  Japan
Precision:  12 Integrated circuits:  NEC uPD1251G
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner
Download leaflet:   (US: 2.0 MByte) Download manual:   (US: 5.4 MByte)

Texas Instruments introduced in 1980 a family of 4 similar desktop calculators. Most features are identical, differences could be found in the display and memory architecture:

Model TI-5213 TI-5215 TI-5217 TI-5219
Display no no 12 digits 12 digit
Memories GT GT, M GT GT, M
Price $110 $125 $135 $150

TI-5217_1.jpg (91389 Byte)Dismantling the TI-5217 reveals a clear layout. The printer mechanism and power supply are located in separate cavities of the housing. The keyboard could be easily removed and reveals the printed circuit board (PCB) of the calculator.

TI-5217_2.jpg (81191 Byte)The PCB of the TI-5217 makes use of a single-chip microcomputer uPD1251G manufactured by NEC Corporation, Japan. The PCB was obviously manufactured by
Sansyu Precision Co., Ltd., Japan. We know this company already from the TI-1750 introduced 1977.

The TI-5217 is featured in the Texas Instruments Incorporated bulletin CL-652 dated 1981.

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If you have additions to the above article please email:

Joerg Woerner, June 11, 2005. No reprints without written permission.