CD74HC237PWE4

Overview

The CD74HC237PWE4 is a high-speed CMOS logic decoder/demultiplexer manufactured by Texas Instruments. It features a single 3-to-8 line decoder with address latches and three enable inputs, housed in a 16-pin SOIC package. The device operates on a single power supply ranging from 2V to 6V. It supports surface mount installation and functions within an industrial temperature range of -55°C to +125°C. The component complies with RoHS3 standards and carries an MSL rating of 1.

Feature Summary

• Integrates address latching functionality for stable decoding operations
• Features three distinct enable inputs for flexible system control
• Utilizes high-speed CMOS technology for efficient signal processing

Applications

• Address decoding in memory systems
• Data distribution in digital communication circuits
• Control logic in industrial automation equipment

Procurement Notes

Verify the specific suffix 'E4' against official Texas Instruments documentation to confirm lead-free compliance and material specifications. Ensure the selected package variant matches the required PCB footprint. Cross-reference the datasheet revision history to validate current manufacturing status and any potential form-fit-function changes.

Selection Notes

Select this component when design requirements include integrated address latching alongside standard decoding functions. The wide operating voltage range and extended temperature capabilities make it suitable for diverse industrial environments. Confirm that the package dimensions align with available board space and assembly constraints.

Part Context

This part belongs to the Texas Instruments 74HC series of high-speed CMOS logic devices. The HC series is designed for general-purpose digital applications requiring low power consumption and compatibility with standard logic families. The CD prefix indicates commercial grade temperature performance, while the PWE4 designation specifies the package type and environmental compliance.

Replacement Considerations

Compatible substitutes include the CD74HC237PWR and SN74HC237PW. Verify pinout compatibility and electrical characteristics before substitution. Ensure alternative parts meet the same package and thermal requirements.