CD4543BMT

Display Drivers Overview

The CD4543BMT is a CMOS BCD-to-7-segment latch/decoder/driver manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 18 V and supports surface mount installation in a 16-pin SOIC-Narrow package. The device features four input lines and seven output lines, with a propagation delay of 400 ns. It functions across an extended temperature range from -55 °C to +125 °C. This component belongs to the 4500 logic series and is classified under encoders, decoders, multiplexers, and demultiplexers.

Display Drivers Feature Summary

• Converts binary coded decimal inputs into seven-segment display signals
• Includes internal latching capability for data retention
• Supports configurable output polarity for common cathode or common anode displays

Display Drivers Applications

• Seven-segment LED display drivers
• LCD digit driver circuits
• Digital counting system indicators

Display Drivers Procurement Notes

Verify component authenticity through authorized channels as this part may be subject to discontinuation notices. Confirm package integrity upon receipt. Ensure static-safe handling procedures are followed during storage and assembly. Cross-reference datasheet revisions to confirm pinout compatibility with existing designs.

Display Drivers Selection Notes

Select this component when a dedicated BCD-to-seven-segment decoder with integrated latching is required. Verify that the operating voltage aligns with the 3 V to 18 V specification. Consider the SOIC-Narrow package dimensions for PCB layout constraints. Evaluate thermal requirements against the -55 °C to +125 °C operating range.

Display Drivers Part Context

This device is part of the CD4543B family within the broader 4500 series of CMOS logic products. It serves as a specialized interface between digital logic systems and visual output devices. The manufacturer provides technical documentation detailing electrical characteristics and application circuits for integration support.

Display Drivers Replacement Considerations

Check for direct substitutes such as CD4543BM96 or CD4543BMG4. Verify pin compatibility and electrical specifications before substitution. Review official discontinuation notifications for availability status.