ICM7218

PRODUCTION

8-Digit, Multiplexed, LED Decoder Driver

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • Improved 2nd Source! See 3rd page of this data sheet for our "Maxim Advantage™"
  • Fast Access Time: 200ns Write Pulse Width
  • Microprocessor Compatible
  • Hexadecimal and Code B Decoders
  • Individual Segment Control with "No Decode" Feature
  • Digit and Segment Drivers On-Chip
  • Common Anode and Common Cathode LED versions available
  • Low Power CMOS

The Maxim ICM7218 display driver interfaces microprocessors to an 8 digit, 7 segment, numeric LED display. Included on chip are two types of 7 segment decoders, multiplex scan circuitry, segment and digit drivers, and an 8 x 8 static memory.

The ICM7218A and ICM7218B accept data in a serial format and drive common anode (ICM7218A) or common cathode (ICM72188) displays. The ICM7218C and ICM7218D accept data in a parallel format and drive common anode (ICM7218C) or common cathode (ICM7218D) displays. All four versions can display the data in either hexadecimal or code B format. The ICM7218A and ICM72188 also feature a No Decode mode where each individual segment can be independently controlled. This is particularly useful in driving bar graphs.

The Maxim ICM7218 is an alternative for both the lntersil ICM7218 and ICM7228. When ordering, specify ICM7218 for both devices.

APPLICATIONS

  • Instrumentation
  • Test Equipment
  • Hand Held Instruments
  • Bargraph Displays
  • Panel Meters
ICM7218
8-Digit, Multiplexed, LED Decoder Driver
ICM7218: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LED Drivers 11
MAX7231
PRODUCTION Drives 8 Digits/7 Segments; Parallel Input format; 2 Annunciators per Digit
MAX6950
PRODUCTION Serially Interfaced, +2.7V to +5.5V, 5- and 8-Digit LED Display Drivers
MAX6951
PRODUCTION Serially Interfaced, +2.7V to +5.5V, 5- and 8-Digit LED Display Drivers
MAX6952
PRODUCTION 4-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 x 7 Matrix LED Display Driver
MAX6953
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 x 7 Matrix LED Display Driver
MAX6954
PRODUCTION 4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
MAX6955
PRODUCTION 2-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
MAX6956
PRODUCTION 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
MAX6957
PRODUCTION 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6958
PRODUCTION 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
MAX6959
PRODUCTION 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
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