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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI-2550 II was manufactured
in February 1976 by |
The TI-2550 II is powered by a BP2
battery pack with 2 rechargeable AA-Size NiCd cells.
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The TI-2550 II with its
keyplate removed showing two sliding switches.
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The printed circuit board (PCB) of the TI-2550 II is centered around a TMS1071 single-chip calculator circuit of the TMS1000 Family. |
The
Close-up
view of the TMS1071 single-chip calculator circuit.
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The Close-up
view of the ITRON FG95A1 Vacuum Fluorescent Display (VFD).
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 13, 2022. No reprints without written permission.