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ICM7211A
August 2001
4-Digit, LCD Display Driver
Description
The ICM7211A (LCD) device constitutes a family of non-multiplexed four-digit seven-segment CMOS display decoderdrivers. The ICM7211A devices are configured to drive conventional LCD displays by providing a complete RC oscillator, divider chain, backplane driver, and 28 segment outputs. This device is available with multiplexed or microprocessor input configurations. The multiplexed versions provide four data inputs and four Digit Select inputs. This configuration is suitable for interfacing with multiplexed BCD or binary output devices, such as the ICL7135. The microprocessor versions provide data input latches and Digit Address latches under control of high-speed Chip Select inputs.