Texas Instruments TI-5221

Date of introduction:  ca. 1980 Display technology:  Fluorescent
New price:   Display size:  12
Size:    Printer technology:  Impact red/black
Weight:    Serial No:  103832
Batteries:   Date of manufacture:  
AC-Adapter:  120 V Origin of manufacture:  Japan
Precision:  12 Integrated circuits:  NEC uPD1251G
Memories:  1 + 1    
Program steps:   Courtesy of:  Joerg Woerner

TI-5221_PCB.jpg (105799 Byte)We weren't able to gather any information about this impressive printing calculator. It fits into the design line of the TI-5213, TI-5215, TI-5217 and TI-5219 but uses a different internal construction.

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Joerg Woerner, July 8, 2009. No reprints without written permission.