DESCRIPTION
The SC3445 is a one-chip CMOS LSI for a hand calculator with mathematical functions and a 10 digits variable mode exponential type liquid crystal display.

FEATURES
* Built-in ROM capacity: 64 X63 X8 bits
* Built-in RAM capacity: 12X16X4 bits
* RC oscillator Internal operation: 100kHz (3V TYP. Resistance: 200KΩ)
* Current consumption:
    Display: 80µA (3V TYP)
    Off: 3µA (3V max)
* LCD driver: 1/4 duty, 1/3 bias
* Single power supply: 2.7V to 3.3V
* Automatic power off
* Operand: 4 bits
* C-MOS metal gate process.
* Not designed or rated as radiation hardened.
* Not programmable (on chip programmed ROM).
* A memory that holds up to 40 steps to make for easy repeated calculations.
* A full complement of 46 mathematical functions.
* Automatic priority of operations logic and parentheses nesting up to 7 deep for simplified calculations.
* Memory protection with power off (3 memories and program memory).
* A handy storage memory for conversion calculations.
* An automatic power off feature to preserve battery life.