Texas Instruments

SN74ALS138ANE4  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74ALS138ANE4 Description

The SN74ALS138ANE4 is a high-performance decoder/demultiplexer IC from Texas Instruments, designed for a wide range of digital applications. This ALS series device offers robust performance and reliability, making it an ideal choice for various electronic systems. The SN74ALS138ANE4 features a single 3:8 decoder circuit, providing eight independent outputs from three input lines. It operates within a voltage supply range of 4.5V to 5.5V and is suitable for single supply applications. The device is housed in a through-hole package, ensuring easy integration into printed circuit boards.

SN74ALS138ANE4 Features

• Operating Temperature Range: The SN74ALS138ANE4 operates reliably within a temperature range of 0°C to 70°C, making it suitable for use in various environmental conditions.
• Independent Circuits: The device features one independent 3:8 decoder circuit, providing eight output lines from three input lines.
• Mounting Type: Through-hole mounting ensures secure and reliable attachment to PCBs, enhancing mechanical stability and ease of assembly.
• Voltage Supply: The SN74ALS138ANE4 operates on a single supply voltage ranging from 4.5V to 5.5V, simplifying power supply requirements.
• Output Current: The device supports an output current of 400µA for high-level outputs and 8mA for low-level outputs, ensuring robust performance in driving various loads.
• Series and Compatibility: As part of the 74ALS series, the SN74ALS138ANE4 is compatible with other TTL and CMOS logic families, facilitating seamless integration into existing systems.
• Product Status: The SN74ALS138ANE4 is an active product, ensuring continued availability and support from Texas Instruments.

SN74ALS138ANE4 Applications

The SN74ALS138ANE4 is well-suited for a variety of applications due to its versatile design and robust performance. Some specific use cases include:

• Memory Address Decoding: The 3:8 decoder function is ideal for decoding memory addresses in microprocessor systems, enabling efficient data access and management.
• Multiplexing and Demultiplexing: The device can be used to control multiple output lines from a smaller number of input lines, simplifying signal routing and reducing component count.
• Control Logic: The SN74ALS138ANE4 can be employed in control logic circuits to manage and distribute control signals in complex electronic systems.
• Peripheral Interface: The decoder can interface with various peripherals, enabling efficient communication and control between different system components.

Conclusion of SN74ALS138ANE4

The SN74ALS138ANE4 from Texas Instruments is a versatile and reliable decoder/demultiplexer IC that offers significant advantages in digital circuit design. Its robust performance, compatibility with various logic families, and ease of integration make it an excellent choice for a wide range of applications. Whether used in memory decoding, signal routing, or control logic, the SN74ALS138ANE4 provides a dependable solution for modern electronic systems. With its active product status and comprehensive support from Texas Instruments, the SN74ALS138ANE4 is a valuable component for engineers and designers in the electronics industry.

SN74ALS138ANE4 Documents

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SN74ALS138ANE4 Datasheet