ICM7211IPL

Display Drivers Overview

The ICM7211IPL+ is a four-digit, non-multiplexed seven-segment LCD display decoder-driver manufactured by Analog Devices Inc. (Maxim Integrated). It integrates a complete RC oscillator, divider chain, backplane driver, and 28 segment outputs within a single CMOS device. The component operates on a power supply voltage ranging from 3 V to 6 V with a maximum supply current of 10 µA. It features data input latches and digit address latches controlled by chip select inputs for direct high-speed processor interface. The unit is housed in a 40-pin PDIP package and supports a maximum clock frequency of 16 kHz.

Display Drivers Feature Summary

• Integrates a complete onboard RC oscillator and divider chain to generate the required backplane frequency without external timing components.
• Provides dedicated backplane input/output pins that allow simple synchronization of slave devices to a master system.
• Includes data and digit address latches controlled by chip select inputs to facilitate a direct high-speed microprocessor interface.

Display Drivers Applications

• Four-digit non-multiplexed LCD display systems
• Microprocessor-based digital readouts requiring direct interface
• Portable instrumentation with low-power requirements

Display Drivers Procurement Notes

Verify the specific suffix designation when ordering, as package variations exist within the family. Confirm RoHS compliance status through official documentation, as historical versions may differ. Check regional distribution availability, as certain variants may be subject to shipping restrictions or limited stock conditions depending on the supplier region. Ensure the selected part matches the required operating temperature range for the target application environment.

Display Drivers Selection Notes

Select this component for applications requiring a fully integrated solution for driving four-digit seven-segment LCDs without multiplexing overhead. The built-in oscillator simplifies design by eliminating external timing circuits. Consider the 40-pin PDIP package constraints for board layout. Verify that the 16 kHz maximum clock frequency aligns with the system's timing requirements and that the 3 V to 6 V supply range fits the available power rails.

Display Drivers Part Context

The ICM7211 series belongs to the broader family of LCD driver ICs designed for direct microprocessor interfacing. It serves as a specialized decoder-driver that combines logic decoding functions with display driving capabilities. This integration reduces component count compared to discrete solutions, offering a compact approach for managing multi-digit alphanumeric displays in embedded systems.

Display Drivers Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.