MM5453V/NOPB

Display Drivers Overview

The MM5453V/NOPB is a liquid crystal display driver manufactured by Texas Instruments, designed for driving 4.5-digit, 33-segment LCDs. It operates within a supply voltage range of 3V to 10V and features a maximum clock frequency of 1 MHz. The device dissipates up to 350 mW of power and functions reliably between -40°C and +85°C. Packaged in a PLCC-44 surface-mount format, it supports serial interfaces for segment and digit control.

Display Drivers Feature Summary

• Supports 4.5-digit and 33-segment LCD configurations
• Integrates internal oscillator with external clock capability
• Provides multiplexed drive signals for direct LCD connection

Display Drivers Applications

• Industrial instrumentation displays
• Consumer appliance control panels
• Portable measurement devices

Display Drivers Procurement Notes

Verify component status as the MM5453V/NOPB is listed as obsolete or discontinued by major distributors. Confirm availability of equivalent active parts such as the MM5453VX/NOPB if current production is required. Ensure compatibility with existing PCB footprints and design specifications before finalizing procurement decisions.

Display Drivers Selection Notes

Select this component for applications requiring simple serial interface control of alphanumeric LCDs. Consider the PLCC-44 package constraints and operating temperature range. Evaluate power dissipation limits relative to ambient conditions. Verify that the 1 MHz clock speed meets system timing requirements.

Display Drivers Part Context

This part belongs to the MM5453 series of LCD drivers from Texas Instruments. It serves as a specialized integrated circuit for managing complex display segments without extensive microcontroller overhead. The NOPB suffix indicates lead-free construction compliant with RoHS standards.

Display Drivers Replacement Considerations

Publicly documented equivalents include the MM5453VX/NOPB. Verify pinout and functional compatibility before substitution.