Texas Instruments

SN74HCT138DE4  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HCT138DE4 Description

The SN74HCT138DE4 is a high-performance decoder/demultiplexer IC designed for a wide range of digital applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74HCT and series features a 1 x 3:8 decoder/demultiplexer circuit. It is designed for surface mount applications and is housed in a tube package, making it suitable for automated assembly processes. The SN74HCT138DE4 operates on a single supply voltage ranging from 4.5V to 5.5V, ensuring compatibility with standard digital systems.

This IC is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It has a moisture sensitivity level (MSL) of 1, indicating it is not sensitive to moisture and can be stored without special handling requirements. The SN74HCT138DE4 provides a current output of 4mA for both high and low states, ensuring robust signal handling capabilities.

SN74HCT138DE4 Features

• Decoder/Demultiplexer Functionality: The SN74HCT138DE4 is designed to decode three binary inputs into eight outputs, making it ideal for applications requiring efficient signal routing and decoding.
• Single Supply Operation: With a supply voltage range of 4.5V to 5.5V, this IC is compatible with standard digital systems, simplifying power supply design.
• Surface Mount Compatibility: The surface mount package type ensures ease of integration into modern PCB designs, facilitating automated assembly processes.
• Environmental Compliance: The SN74HCT138DE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level 1: This IC can be stored and handled without special moisture protection, reducing storage and handling complexities.
• Robust Current Handling: The ability to handle 4mA for both high and low outputs ensures reliable signal transmission and minimal signal degradation.

SN74HCT138DE4 Applications

The SN74HCT138DE4 is versatile and finds applications in various digital systems where efficient signal decoding and demultiplexing are required. Some specific use cases include:

• Digital Signal Processing: Ideal for routing and decoding digital signals in complex digital systems.
• Microcontroller Interfaces: Used to decode address lines in microcontroller applications, enabling efficient memory and peripheralacing interf.
• Communication Systems: Facilitates signal routing in communication systems, ensuring reliable data transmission.
• Consumer Electronics: Employed in various consumer electronics for signal decoding and multiplexing tasks.
• Industrial Control Systems: Used in industrial applications for decoding control signals and managing multiple output lines.

Conclusion of SN74HCT138DE4

The SN74HCT138DE4 is a reliable and versatile decoder/demultiplexer IC that offers significant advantages in digital signal processing and routing applications. Its compatibility with standard digital systems, robust current handling capabilities, and environmental compliance make it an ideal choice for a wide range of applications. Whether used in microcontroller interfaces, communication systems, or industrial control systems, the SN74HCT138DE4 ensures efficient and reliable signal decoding and demultiplexing.

SN74HCT138DE4 Documents

Download datasheets and manufacturer documentation for SN74HCT138DE4

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54HCT138, SN74HCT138      

HTML Datasheet :

SN54HCT138, SN74HCT138