SN74AHC138DR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC138DR is a high-speed CMOS logic device manufactured by Texas Instruments, functioning as a 3-to-8 line decoder and demultiplexer. It operates within a supply voltage range of 2V to 6V and features low dynamic power consumption. The component utilizes a 16-SOIC surface-mount package and supports an operating temperature range from -40°C to 85°C. It provides balanced output drive capabilities with specified current ratings for both high and low states.

Signal Switches, Multiplexers, Decoders Feature Summary

• High-speed CMOS technology ensures fast switching speeds while maintaining low static power dissipation.
• Provides one-of-eight decoding functionality suitable for address decoding and data routing applications.
• Compatible with standard CMOS logic families across a wide supply voltage spectrum.

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor-based systems
• Data routing and signal distribution in digital circuits
• Memory chip select generation

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'DR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the 16-SOIC footprint matches the target PCB design constraints. Ensure compliance with RoHS directives if environmental regulations apply to the final product deployment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a wide supply voltage range including 5V operation is required alongside high-speed performance. Consider the 16-SOIC package dimensions for board space limitations. Evaluate the propagation delay specifications against system timing requirements to ensure signal integrity during decoding operations.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHC series of advanced high-speed CMOS logic devices. It shares functional compatibility with other 3-to-8 decoders in the industry but offers distinct electrical characteristics defined by the AHC family standards. The device integrates enable inputs to control output activation based on address lines.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC138DRE4