Additional Pictures 


This Western Auto M4986 was manufactured in July 1975 by
Texas Instruments in Lubbock, TX (Date code 2975 LTA week 29 year 1975).

The M4986 manufactured in July 1975 in Lubbock, TX
with the front part of its housing removed.

The printed circuit board (PCB) of the featured M4986
is centered around a TMS0952 single-chip calculator circuit.

Close-up view of the TMS0952 packaged in a
28-pin DIP (Dual In-line Package).

Product Label Style 3, Western Auto of the featured M4986.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, July 5, 2021. No reprints without written permission.