MM5453VX

Display Drivers Overview

The MM5453VX 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 supports a maximum clock frequency of 1 MHz. The component dissipates up to 350 mW of power and functions reliably across an operating temperature range of -40°C to +85°C. It is housed in a PLCC-44 surface-mount package.

Display Drivers Feature Summary

• Supports 4.5-digit and 33-segment LCD configurations
• Integrated internal oscillator with external clock capability
• Designed for low-power consumption applications

Display Drivers Applications

• Industrial control panel displays
• Test and measurement equipment interfaces
• Consumer appliance status indicators

Display Drivers Procurement Notes

Verify the specific suffix (e.g., VX) against the manufacturer's current datasheet to confirm pinout and electrical characteristics. Confirm RoHS compliance status as indicated in official documentation. Check for obsolescence notices or lifecycle changes directly from Texas Instruments before finalizing procurement plans.

Display Drivers Selection Notes

Select this component when a dedicated driver for 4.5-digit alphanumeric LCDs is required. Ensure the design accommodates the PLCC-44 package footprint. Verify that the system power supply remains within the 3V to 10V operational range and that thermal management addresses the specified power dissipation limits.

Display Drivers Part Context

This part belongs to the MM5453 series of LCD drivers from Texas Instruments. It serves as a specialized interface between microprocessors and complex liquid crystal displays, handling multiplexing and segment driving internally to reduce processor load.

Display Drivers Replacement Considerations

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