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ICM7218 - 8-Digit LED Microprocessor-Compatible Multiplexed Display Decoder Driver

General Description

INPUT TERMINAL LOGIC LEVEL FUNCTION ICM7218A AND ICM7218B WRITE 8 High Input Not Loaded Low Input Loaded MODE 9 High Load Control Bits on Write Pulse Low Load Input Data on Write Pulse ID4 (SHUTDOWN) MODE High 10 High Normal Operation Low Shutdown (Oscillator, Decoder and Displ

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet September 15, 2015 ICM7218 FN3159.3 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. The lCM7218A and 1CM7218B feature two control lines (WRITE and MODE) which write either 4 bits of control information (DATA COMING, SHUTDOWN, DECODE, and HEXA/CODE B) or 8 bits of display input data.