Texas Instruments

SN74AHC138PWRE4  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74AHC138PWRE4 Description

The SN74AHC138PWRE4 is a 1 x 3:8 decoder/demultiplexer IC designed by Texas Instruments, a leading manufacturer in the electronics industry. This logic IC chip is part of the 74AHC series and is housed in a 16-pin TSSOP package, which is ideal for surface-mount applications. The device operates on a single supply voltage ranging from 2V to 5.5V, making it versatile for various power supply configurations. It features a single independent circuit with a 3:8 decoding function, providing efficient signal routing and control.

SN74AHC138PWRE4 Features

• Wide Operating Voltage Range: The SN74AHC138PWRE4 operates within a voltage range of 2V to 5.5V, offering flexibility in power supply requirements.
• High Output Current Capability: It can source and sink up to 8mA per output, ensuring robust performance in driving various loads.
• Surface-Mount Compatibility: The 16TSSOP package is suitable for surface-mount technology (SMT), facilitating compact and reliable PCB designs.
• Single Supply Operation: Simplifies power supply design by requiring only a single voltage source.
• Moisture Sensitivity Level (MSL) 1: This indicates that the device is not moisture-sensitive, allowing for unlimited storage and handling without special precautions.
• Compliance with Industry Standards: The SN74AHC138PWRE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety regulations.
• Tape & Reel Packaging: Ideal for automated assembly processes, enhancing manufacturing efficiency.

SN74AHC138PWRE4 Applications

The SN74AHC138PWRE4 is well-suited for applications requiring efficient signal decoding and demultiplexing. Its 3:8 decoding function makes it ideal for:

• Address Decoding: Used in memory systems to decode address lines and enable specific memory locations.
• Control Signal Routing: In microcontroller and microprocessor applications, it can route control signals to various peripherals.
• Data Multiplexing: Efficiently routes data signals in communication systems and digital interfaces.
• General Logic Applications: Suitable for a wide range of digital logic circuits where signal decoding and demultiplexing are essential.

Conclusion of SN74AHC138PWRE4

The SN74AHC138PWRE4 is a versatile and reliable decoder/demultiplexer IC from Texas Instruments. Its wide operating voltage range, high output current capability, and surface-mount compatibility make it a valuable component for modern electronic designs. Despite being marked as obsolete, the SN74AHC138PWRE4 remains a robust choice for applications requiring efficient signal decoding and demultiplexing. Its compliance with industry standards and compatibility with automated assembly processes further enhance its appeal. For engineers and designers seeking a reliable and efficient solution for their digital logic needs, the SN74AHC138PWRE4 is a worthy consideration.

SN74AHC138PWRE4 Documents

Download datasheets and manufacturer documentation for SN74AHC138PWRE4

Datasheets :

SN54/74AHC138      

PCN Obsolescence/ EOL :

EOL 31/Oct/2023      

HTML Datasheet :

SN54/74AHC138