CD74HC154ME4

Overview

The CD74HC154ME4 is a high-speed CMOS logic decoder/demultiplexer manufactured by Texas Instruments. It features a 4-to-16 line configuration with two enable inputs and sixteen active-low outputs. The device operates within a supply voltage range of 2 V to 6 V and supports surface-mount installation in a 24-SOIC package. It exhibits a propagation delay of 44 ns and functions across an extended temperature range from -55 °C to +125 °C.

Feature Summary

• Provides 16 mutually exclusive low-active outputs selected by four binary address inputs
• Includes dual enable gates for decoding gating and demultiplexer expansion capabilities
• Offers significant power reduction compared to LSTTL logic families

Applications

• Signal processing systems
• Automation and process control
• Memory address decoding

Procurement Notes

Verify the specific suffix E4 indicates RoHS compliance and lead-free construction as per manufacturer specifications. Confirm the package type matches the required SOIC-24 footprint for PCB layout. Ensure the operating environment stays within the specified -55 °C to +125 °C thermal limits. Check for any recent product change notices regarding material composition or assembly location changes.

Selection Notes

Select this component when a wide voltage operation range between 2 V and 6 V is required. Choose this part for applications needing compatibility with LSTTL logic levels while maintaining lower power consumption. Consider this device for designs requiring robust noise suppression and extended industrial temperature performance.

Part Context

This component belongs to the CD74HC154 series of high-speed CMOS logic devices. It serves as a direct pin-compatible replacement for older logic families, offering improved performance metrics. The series is designed for general-purpose digital decoding and data routing tasks in electronic circuits.

Replacement Considerations

CD74HC154M96 is listed as a manufacturer-recommended substitute for the discontinued CD74HC154ME4.