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Additional Pictures 

 

This TI-2550 Version 1 (Display 1) was manufactured in March 1974 by Texas Instruments.

The double-sided printed circuit board (PCB) of the TI-2550 Version 1
is centered around a TMS0601 single-chip calculator circuit.

Close-up view of the TMS0601 single-chip calculator circuit.

Close-up view of the SN27915 Segment Driver.

Close-up view of the SN27914 Digit Driver.

Close-up view of the DIS134C Display PCB.


horizontal rule

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

Joerg Woerner, November 28, 2021. No reprints without written permission.