SN74AHC138N-P2

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC138N-P2 is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments. It belongs to the AHC/VHC/H/U/V logic series and features three enable inputs for flexible control. The device operates within a supply voltage range of 2 V to 5.5 V and supports a load capacitance of 50 pF. It is housed in a 16-pin DIP package with a maximum length of 19.305 mm. The component functions as a single decoder/driver circuit, providing low-level output current capabilities up to 8 mA. It is designed for operation at temperatures up to 85 °C and complies with RoHS standards.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides decoding and demultiplexing functionality from three address lines to eight outputs
• Includes three enable inputs to manage device activation states
• Operates across a wide supply voltage range suitable for various digital logic systems

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in memory architectures
• Demultiplexing data streams in communication circuits
• Control signal generation for peripheral devices

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and electrical specifications. Ensure compatibility with system voltage requirements and temperature ranges before integration. Cross-reference datasheet revisions to validate pinout configurations and ensure compliance with current manufacturing standards.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a reliable 3-to-8 line decoding solution is required within the AHC logic family. Consider the DIP packaging for through-hole assembly needs and verify that the 5.5 V maximum supply voltage aligns with the target application's power constraints. Confirm that the three enable inputs meet the specific control logic requirements of the design.

Signal Switches, Multiplexers, Decoders Part Context

This decoder is part of the broader SN74AHC138 product family offered by Texas Instruments. Variants such as the SN74AHC138PWR and SN74HC138N share similar functional descriptions but differ in packaging and specific electrical characteristics. The N-P2 designation indicates a specific configuration within this extensive line of logic decoders.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The SN74AHC138PWLE is listed as an alternative variant within the same product family.