SN74AHC138PWR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC138PWR is a single 3-line to 8-line decoder/demultiplexer from the Texas Instruments AHC logic family. It operates within a supply voltage range of 2 V to 5.5 V and features low dynamic power consumption. The device utilizes a 16-TSSOP surface-mount package and supports a propagation delay of 13 ns. It functions across an extended industrial temperature range from -40°C to +85°C, ensuring reliable performance in various electronic applications.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides three independent enable inputs for flexible system control and power management
• Offers eight active-low outputs with high noise immunity suitable for complex digital interfaces
• Compatible with standard CMOS logic families while maintaining low power dissipation characteristics

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory and peripheral selection in embedded systems
• Demultiplexing data streams in communication interface circuits
• Control signal generation for display drivers and indicator arrays

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix matches the required tape-and-reel quantity configuration. Confirm RoHS compliance status aligns with current environmental regulations. Ensure the TSSOP-16 package dimensions match your PCB footprint requirements. Check for any recent product change notices affecting pinout or electrical specifications before finalizing procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a low-voltage compatible decoder is needed for general-purpose logic applications. The wide supply voltage range allows integration with both 3.3 V and 5 V domains. Consider the 13 ns propagation delay against system timing requirements. Evaluate the 16-TSSOP package size relative to available board space constraints.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the broader 74AHC series of high-speed CMOS logic devices manufactured by Texas Instruments. It shares functional similarities with other decoders in the family but offers optimized speed and power characteristics. The PWR suffix indicates a specific plastic small-outline package variant designed for automated surface-mount assembly processes.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC138RGYG4 serves as a physical alternative offering identical logical functionality in a QFN package format.