Texas Instruments

SN74HCT138DR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HCT138DR Description

The SN74HCT138DR is a high-performance decoder/demultiplexer from Texas Instruments, designed to meet the demanding requirements of modern electronic systems. This device is part of the 74HCT series and features a 1 x 3:8 configuration, making it ideal for a wide range of applications. With a single supply voltage range of 4.5V to 5.5V, the SN74HCT138DR offers reliable performance in various operating conditions. Its surface-mount packaging and tape & reel (TR) packaging make it suitable for high-density PCB designs and automated assembly processes.

SN74HCT138DR Features

• Series: 74HCT
• Type: Decoder/Demultiplexer
• Circuit: 1 x 3:8
• Independent Circuits: 1
• Voltage - Supply: 4.5V ~ 5.5V
• Current - Output High, Low: 4mA, 4mA
• Mounting Type: Surface Mount
• Voltage Supply Source: Single Supply
• Package: Tape & Reel (TR)
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Manufacturer: Texas Instruments

The SN74HCT138DR stands out from similar models due to its low power consumption, high output current, and robust performance in a wide voltage range. Its single-supply operation simplifies the design and reduces the number of components required, making it an excellent choice for space-constrained applications.

SN74HCT138DR Applications

The SN74HCT138DR is ideal for various applications where signal routing and multiplexing are required. Some specific use cases include:

1. Telecommunications: In telephone exchanges and communication systems, the SN74HCT138DR can be used to route signals between multiple channels.
2. Automotive Electronics: For controlling and managing various electronic systems in vehicles, such as infotainment, lighting, and sensor networks.
3. Industrial Control Systems: In automation and process control applications, the SN74HCT138DR can be employed to manage and route signals from multiple sensors and actuators.
4. Consumer Electronics: For managing audio and video signals in home entertainment systems, gaming consoles, and other multimedia devices.

Conclusion of SN74HCT138DR

The SN74HCT138DR is a versatile and reliable decoder/demultiplexer that offers excellent performance in a wide range of applications. Its unique features, such as low power consumption, high output current, and single-supply operation, make it an ideal choice for designers looking to optimize their electronic systems. With its robust performance and compliance with industry standards, the SN74HCT138DR is a valuable addition to any electronics engineer's toolbox.

SN74HCT138DR Documents

Download datasheets and manufacturer documentation for SN74HCT138DR

PCN Assembly/Origin :

CD74HC/SN74HC 30/Mar/2022      

Datasheets :

SN54HCT138, SN74HCT138      

HTML Datasheet :

SN54HCT138, SN74HCT138      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022