Texas Instruments

CD74AC138ME4  

Encoders, Decoders, Multiplexers & Demultiplexers

CD74AC138ME4 Description

The CD74AC138ME4 is a high-performance decoder/demultiplexer IC designed by Texas Instruments. It features a 1 x 3:8 decoding structure, enabling it to convert 3-bit binary input into 8 unique output lines. This device operates on a single supply voltage ranging from 1.5V to 5.5V, making it versatile for various power supply configurations. The CD74AC138ME4 is housed in a surface-mount package, specifically a 16SOIC, which is ideal for compact and high-density PCB designs. It offers robust performance with a maximum output current of 24mA for both high and low states, ensuring reliable signal transmission.

CD74AC138ME4 Features

• Series and Type: The CD74AC138ME4 belongs to the 74AC series, known for its high-speed and low-power consumption characteristics. As a decoder/demultiplexer, it efficiently routes input signals to one of eight possible output lines based on the binary input.
• Single Supply Operation: It operates on a single supply voltage between 1.5V and 5.5V, providing flexibility in power supply design and compatibility with a wide range of systems.
• Surface Mount Technology (SMT): The 16SOIC package is designed for surface-mount applications, allowing for high-density PCB layouts and ease of automated assembly.
• High Output Current: With a maximum output current of 24mA for both high and low states, the CD74AC138ME4 ensures strong and reliable signal drive capabilities.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), this device is suitable for storage and handling in various environmental conditions without the need for special moisture protection.
• Compliance: The CD74AC138ME4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.

CD74AC138ME4 Applications

The CD74AC138ME4 is ideal for applications requiring efficient signal routing and decoding. Its versatility makes it suitable for:

• Digital Systems: Used in microprocessors, microcontrollers, and other digital systems where binary-to-decimal decoding is necessary.
• Memory Management: Facilitates address decoding in memory systems, enabling efficient data access and management.
• Communication Systems: Utilized in multiplexing and demultiplexing data signals in communication networks.
• Consumer Electronics: Applied in devices such as smartphones, tablets, and other consumer electronics where compact and efficient signal processing is crucial.

Conclusion of CD74AC138ME4

The CD74AC138ME4 from Texas Instruments is a robust and versatile decoder/demultiplexer IC that offers high performance and reliability. Its single supply operation, high output current, and surface-mount packaging make it an excellent choice for a variety of applications. The device's compliance with environmental and safety standards ensures it meets the demands of modern electronics manufacturing. Whether used in digital systems, memory management, communication networks, or consumer electronics, the CD74AC138ME4 provides a reliable and efficient solution for signal decoding and routing.

CD74AC138ME4 Documents

Download datasheets and manufacturer documentation for CD74AC138ME4

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

CD54AC138, CD74AC138      

HTML Datasheet :

CD54AC138, CD74AC138