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Additional Pictures 

 

This TI-70 was manufactured in December 1974 
by Texas Instruments in Dallas (week 50 year 1974).

Close-up view of the ITT 492 Digit Driver Chip used with the TI-70 and other products.
Bipolar Technology, 14-pin DIP, 6 * 250 mA Drivers.

Close-up view of the RCA CA3082 Common Collector Transistor Array used with the TI-70.
Bipolar Technology, 16-pin DIP, 7 * 100 mA NPN Transistors.


horizontal rule

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

Joerg Woerner, October 17, 2021. No reprints without written permission.