1987.0487.024 Texas Instruments Collection Object

Canon Calculator
TI number: Z00243

This item is an early hand held calculator built by Canon Inc., Japan, using TI MOS IC's built prior to the introduction of the single chip calculator IC. This unit was probably built in late 1971.

The calculator includes a detachable base which contains a charger and is powered by 2 "AA" rechargeable batteries in a replaceable pack. It has an LED display and two TI custom MOS IC's. They are TMC1824NC, date code 7145, and TMC1825NC, date code 7147, both in 40 pin plastic packages. NOTE: The calculator is in operating condition.

Related material in collection: Z00408.
Texas Instruments
in charger base side view Canon Calculator
in charger base side view
© Copyright 2000 Smithsonian Institution

and charger base back view Canon Calculator
and charger base back view
© Copyright 2000 Smithsonian Institution

and charger base side view Canon Calculator
and charger base side view
© Copyright 2000 Smithsonian Institution

and charger base front view Canon Calculator
and charger base front view
© Copyright 2000 Smithsonian Institution





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