CD4055BM

Display Drivers Overview

The CD4055BM is a CMOS BCD-to-7-segment LCD decoder/driver manufactured by Texas Instruments. It operates within a supply voltage range of 3V to 18V and supports a maximum clock frequency of 8 MHz. The device features a low supply current of 40 nA and functions across an extended temperature range from -55°C to +125°C. It is housed in a 16-SOIC surface-mount package with a width of 3.90mm. This component is designed to drive one digit of a 7-segment LCD display directly.

Display Drivers Feature Summary

• Converts binary-coded decimal inputs into seven-segment signals for LCD displays
• Supports direct driving of common-source or common-drain LCD segments
• Operates reliably across wide industrial temperature ranges

Display Drivers Applications

• Driving single-digit 7-segment LCD displays in instrumentation
• Numeric readouts in consumer electronic devices
• Industrial control panel interfaces requiring BCD decoding

Display Drivers Procurement Notes

Verify the specific suffix requirements against the official datasheet, as packaging variations exist. Confirm that the selected variant matches the required pin configuration and thermal characteristics for the target application environment. Cross-reference the manufacturer's lifecycle status to ensure long-term availability or identify approved alternatives if necessary.

Display Drivers Selection Notes

Select this component when a dedicated BCD-to-LCD decoder is required for single-digit applications. Ensure the system power supply remains within the 3V to 18V operational limits. Verify that the load capacitance of the LCD segments does not exceed the driver's output capabilities. Consider the SOIC package dimensions for PCB layout constraints.

Display Drivers Part Context

This part belongs to the CD4055B series of LCD drivers. It serves as a functional equivalent to other standard BCD-to-7-segment decoders but is optimized specifically for liquid crystal display technologies. The BM suffix indicates a specific tape-and-reel packaging option intended for automated surface-mount assembly processes.

Display Drivers Replacement Considerations

CD4055BM