Datasheet Summary
Ordering number : ENN- 6725
CMOS IC
4-Bit Microcontroller with 4K-Byte ROM, 120 × 4Bits RAM and LCD Driver
Preliminary Overview
The LC573904 is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also contains 4K-byte ROM, 128 × 4 bits RAM, LCD drivers and melody function.
Features
(1) ROM (2) RAM (3) Cycle Time Cycle Time 122µs 27µs 122µs 27µs 122µs 8µs :4096 × 8 bits :128 × 4 bits
Oscillation source Crystal oscillation RC oscillation Crystal oscillation RC oscillation Crystal oscillation RC oscillation
Oscillation frequency 32.768kHz 150kHz 32.768kHz 150kHz 32.768kHz 500kHz
Power supply voltage 1.20
- 1.65V 2.50
- 3.60V 2.00
-...