Texas Instruments

SN74HCS138DR  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HCS138DR Description

The SN74HCS138DR is a high-speed CMOS 3-line to 8-line decoder/demultiplexer from Texas Instruments, designed for a wide range of digital logic applications. This device is part of the 74HCS series and features a single 3:8 decoder circuit with independent operation. It is designed for surface mount applications, providing a compact and efficient solution for modern electronic designs. The SN74HCS138DR operates on a single supply voltage ranging from 2V to 6V, making it versatile for various power supply configurations. It is available in a tape and reel package, ensuring ease of handling and integration into automated assembly processes. The device is REACH unaffected and RoHS3 compliant, adhering to the latest environmental and safety standards.

SN74HCS138DR Features

• High-Speed Performance: The SN74HCS138DR offers high-speed operation, essential for applications requiring rapid data processing and signal decoding.
• Low Power Consumption: With a supply voltage range of 2V to 6V, this decoder/demultiplexer is designed to operate efficiently, minimizing power usage and heat generation.
• Robust Output Current Capability: The device can handle output currents of up to 7.8mA for both high and low states, ensuring reliable signal transmission even under load.
• Moisture Sensitivity Level 1: The SN74HCS138DR is rated for unlimited exposure to moisture, making it suitable for a wide range of environmental conditions without the need for special handling or storage precautions.
• Single Supply Operation: Simplifies design and reduces complexity by eliminating the need for multiple power supplies.
• Active Product Status: Ensures long-term availability and support from Texas Instruments, providing confidence in the product's reliability and future compatibility.

SN74HCS138DR Applications

The SN74HCS138DR is ideal for applications requiring efficient decoding and demultiplexing of digital signals. Its compact surface mount package and versatile voltage range make it suitable for a variety of industries and applications, including:

• Computer Systems: Used in memory address decoding and data routing within computer systems.
• Telecommunications: Ideal for signal routing and decoding in telecommunication equipment.
• Consumer Electronics: Suitable for decoding control signals in devices such as digital TVs, set-top boxes, and gaming consoles.
• Industrial Automation: Used in control systems for decoding and routing signals in industrial applications.
• Automotive Electronics: Provides reliable decoding for automotive control units and electronic systems.

Conclusion of SN74HCS138DR

The SN74HCS138DR from Texas Instruments stands out as a reliable and efficient 3-line to 8-line decoder/demultiplexer, offering high-speed performance and low power consumption. Its robust output current capability and single supply operation make it a versatile choice for a wide range of applications. With its moisture sensitivity level 1 rating and REACH unaffected status, the SN74HCS138DR ensures durability and compliance with environmental standards. Ideal for use in computer systems, telecommunications, consumer electronics, industrial automation, and automotive electronics, the SN74HCS138DR provides a high-performance solution for decoding and demultiplexing digital signals.

SN74HCS138DR Documents

Download datasheets and manufacturer documentation for SN74HCS138DR

Datasheets :

SN74HCS138      

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SN74HCS138