SN74ALS138ANSR

Signal Switches, Multiplexers, Decoders Overview

The SN74ALS138ANSR is a 3-to-8 line decoder/demultiplexer from the Texas Instruments ALS logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features Schottky-clamped inputs for high performance. The device includes two active-low and one active-high enable inputs. It is housed in a 16-pin SOIC package and supports surface-mount installation.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides decoding functions for three binary select lines into eight distinct outputs
• Incorporates dual active-low and single active-high enable control mechanisms
• Utilizes Schottky clamping technology to enhance switching speed and reduce noise

Signal Switches, Multiplexers, Decoders Applications

• Address decoding for memory arrays
• Demultiplexing data streams in digital systems
• Control signal distribution in industrial automation

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix against official documentation, as variations may indicate environmental compliance or packaging differences without altering core functionality. Confirm RoHS status and lead times through authorized channels prior to procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring fast decoding with low power consumption typical of the ALS series. Ensure the design accommodates the specified voltage limits and thermal requirements for the SOIC package.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74ALS138A family of decoders. It serves as a standard solution for converting binary codes into one-of-eight active-low outputs, widely used in legacy and robust digital logic applications requiring Schottky protection.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.