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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This TI-2550-IV was manufactured
in February 1979 by Texas Instruments in Italy (week 08 year 1979).
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| The printed circuit board (PCB) of the
TI-2550-IV shows just the VF-Display and keyboard.
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| The backside
of the PCB sports a clean layout but hosts three different Integrated Circuits.
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| The three Integrated Circuits (ICs): TMC1981, TMC0999 and BP51C.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 3, 2009. No reprints without written permission.