DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| Both
variants of the SR-56 side by side.
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| The printed
circuit boards of the two SR-56 are identical.
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| The main
electronics of the SR-56 consists of the Arithmetic Chip TMC0501, two
Read-Only Memories with the software TMC0537 and TMC0538 and one Read/Write Memory TMC0599, Please notice the production date of the TMC0537 Chip - week 11 year 1976.
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| This late
SR-56 was manufactured in June 1977, some weeks after the introduction of the TI-57, TI-58 and TI-59.
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If you have additions to the above article please email: joerg@datamath.org.
© Francis Martin, Stephan Feinen and Joerg Woerner, July 5, 2002. No reprints without written permission.
