DATAMATH CALCULATOR MUSEUM
|The sales box of a Western Auto M4986
Citation sold around Winter 1976 in the US.
|This Western Auto M4986 was manufactured
in October 1976 by
Texas Instruments in Lubbock, TX (Date code 4376 LTA » week 43 year 1976).
manufactured in October 1976 in Lubbock, TX
with the front part of its housing removed.
|The printed circuit board
(PCB) of the featured M4986
is centered around a TMS0972 single-chip calculator circuit.
|Close-up view of the
TMS0972 packaged in a
28-pin DIP (Dual In-line Package).
|Product Label Style
3, Western Auto
of the featured M4986.
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© Joerg Woerner, July 5, 2021. No reprints without written permission.