SN74LVC138ADRE4

Overview

The SN74LVC138ADRE4 is a 3-line to 8-line decoder and demultiplexer from the Texas Instruments LVC logic series. It operates within a supply voltage range of 1.65 V to 3.6 V and features a propagation delay of 6.7 ns. The device utilizes an SOIC-Narrow-16 package and supports surface mount installation. It functions across an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides decoding and demultiplexing capabilities for three input lines to eight output lines
• Operates with low voltage power supplies ranging from 1.65 V to 3.6 V
• Features fast switching speeds with a propagation delay of 6.7 ns

Applications

• Address decoding in embedded systems
• Demultiplexing data streams in digital circuits
• Memory chip select generation

Procurement Notes

Verify the specific suffix E4 indicates lead-free composition and RoHS compliance when sourcing. Confirm the SOIC-Narrow-16 package dimensions match your PCB footprint requirements. Ensure the 1.65 V to 3.6 V supply voltage aligns with your system design constraints before procurement.

Selection Notes

Select this component for applications requiring low-voltage operation and moderate speed. The LVC series offers improved performance over standard LV logic while maintaining compatibility. Consider the SOIC-Narrow-16 package for space-constrained designs requiring surface mount technology.

Part Context

This part belongs to the SN74LVC138A family of decoders and demultiplexers manufactured by Texas Instruments. The LVC series is designed for low-voltage applications, offering better performance than older LV technologies. The RE4 suffix typically denotes specific packaging and environmental compliance attributes within the product line.

Replacement Considerations

SN74LVC138ADR is a compatible alternative within the same family.