SN74ALS138ADR 3-to-8 Line Decoder/Demultiplexer by Texas Instruments

The SN74ALS138ADR is a high-performance, 3-to-8 line decoder/demultiplexer designed and manufactured by Texas Instruments, one of the most reputable names in the semiconductor industry. This integrated circuit is part of the Advanced Low-Power Schottky (ALS) series and is known for its exceptional speed and energy efficiency.

With its ability to decode three binary-coded inputs into one of eight mutually exclusive outputs, the SN74ALS138ADR is an ideal component for a wide range of applications, including data multiplexing, address decoding, and memory chip selection. Its versatility makes it a staple in digital systems where a single data line must be routed to multiple destinations.

Key Features:

• Logic Family: ALS – Advanced Low-Power Schottky technology ensures minimal power consumption without sacrificing speed.
• Operating Voltage: The device typically operates at 5V, making it compatible with standard TTL logic levels.
• High-Speed: Fast propagation delay times allow for quick data processing and throughput, enhancing overall system performance.
• Output Drive Capability: Capable of driving up to 15 LSTTL loads, which provides the flexibility to control multiple devices.
• Package: The SN74ALS138ADR is available in a space-saving SOIC-16 package, ideal for compact PCB layouts.
• Temperature Range: Designed to operate over a broad temperature range, ensuring reliability in various environmental conditions.

The SN74ALS138ADR also features inverting and non-inverting outputs, providing additional flexibility for logic design. Its multiple gating inputs allow for the connection of multiple chips to increase the number of decoding options or to implement enable/disable functions.

Whether used in microprocessor systems, personal computers, or data communication equipment, the SN74ALS138ADR stands out for its reliability and performance. Texas Instruments' commitment to quality ensures that each chip meets the highest standards, providing designers with confidence in their digital systems.

For detailed technical specifications, application notes, and support documentation, please visit the Texas Instruments website or consult the SN74ALS138ADR datasheet.