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Additional Pictures 

 

The sales box of a Western Auto 66-4986-7 "Citation" sold in Fall 1978 in the US.

This Western Auto 66-4986-7 "Citation" was manufactured in July 1978 by
Texas Instruments in Lubbock, TX (Date code 2978 LTA week 29 year 1978).

The 66-4986-7 "Citation" is powered by a 9V alkaline battery.

The 66-4986-7 "Citation" manufactured in July 1978 in Lubbock, TX
with the rear part of its housing removed.

Close-up view of the TMC1992 packaged in a
28-pin SPDIP (Shrink Plastic Dual In-line Package).


horizontal rule

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

Joerg Woerner, July 6, 2021. No reprints without written permission.