Product Overview: SN74ALS138DR by Texas Instruments

The SN74ALS138DR is a high-performance, 3-to-8 line decoder/demultiplexer designed by Texas Instruments. This integrated circuit (IC) is part of the Advanced Low-Power Schottky (ALS) series, which is renowned for combining the speed of Schottky TTL with lower power consumption. The SN74ALS138DR is an essential component for systems that require the distribution of a digital signal to multiple outputs.

Key Features

• Logic Family: The device belongs to the ALS logic family, ensuring compatibility with a wide range of digital systems and providing a good balance between speed and power efficiency.
• Operating Voltage: It operates over a broad voltage range of 4.5V to 5.5V, making it suitable for typical 5V digital circuits.
• Output Current: The IC can source up to 400 µA and sink up to 8 mA at the output, offering sufficient drive capabilities for most applications.
• Functionality: As a 3-line to 8-line decoder/demultiplexer, the SN74ALS138DR can decode three binary input signals into one of eight mutually exclusive outputs. It features three enable inputs to facilitate the demultiplexing function.
• Package: The device comes in a compact SOIC-16 (DR) package, which is ideal for space-constrained applications and is compatible with surface-mount technology (SMT) for ease of PCB assembly.

Applications

The versatility of the SN74ALS138DR allows it to be used in a broad range of applications, including:

• Data multiplexing
• Memory address decoding
• Control signal routing
• Function selection in microprocessor systems

Quality and Reliability

Texas Instruments is committed to the highest standards of quality and reliability. The SN74ALS138DR is manufactured with this commitment in mind, ensuring that it meets the rigorous demands of the electronics industry. With its robust design and proven performance, this IC is a reliable choice for designers and engineers seeking a dependable decoding/demultiplexing solution.

For detailed specifications, application notes, and support resources, please visit the Texas Instruments website or contact their customer support for assistance with the SN74ALS138DR.