Additional Pictures 


This TI-5100 was manufactured in December 1981 by
Texas Instruments in Abilene, TX (Date code ATA 5081 wk 50 yr 1981).

The TI-5100 with the backside of its housing removed.

The printed circuit board (PCB) of the TI-5100 is centered around a TMC1073
single-chip calculator circuit of the TMS1070 Family.

The PCB of a completely dismantled TI-5100 showing the 20 "pull-down" resistors for the R- and O-Outputs of the TMC1073.

The Close-up view of the TMC1073 single-chip calculator circuit.

The Close-up view of the ITRON FG119A1 Vacuum Fluorescent Display (VFD).

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If you have additions to the above article please email:

Joerg Woerner, December 9, 2022. No reprints without written permission.