8-Digit LED Microprocessor-Compatible Multiplexed Display Decoder Driver

The ICM7218 series of universal LED driver systems provide, in a single package, all the circuitry necessary to interface most common microprocessors or digital systems to an LED display. Included on-chip are an 8-byte static display memory, two types of 7-segment decoders, multiplex scan circuitry, and high current digit and segment drivers for either common cathode or common anode displays.

Features

• Microprocessor compatible

• Total circuit integration on-chip includes:

- Digit and segment drivers

- All multiplex scan circuitry

- 8-Byte static display memory

- 7-Segment Hexadecimal and Code B decoders

• Output drive suitable for LED displays directly

• Common anode and common cathode versions

• Single 5V supply required

• Data retention to 2V Supply

• Shutdown feature - turns off display and puts chip into low power dissipation mode

• Sequential and random access versions

• Decimal point drive on each digit