The SN74ALS138ANS is a high-performance, three-line to eight-line decoder/demultiplexer designed by Texas Instruments, a leader in semiconductor innovation. This integrated circuit is part of the Advanced Low-Power Schottky (ALS) series, which combines the low power of standard CMOS with the speed and drive capabilities of bipolar transistors.

Key Features

• Logic Family: ALS - Advanced Low-Power Schottky logic ensures efficient operation.
• Operation Mode: 3-to-8 line decoder/demultiplexer with inverting outputs.
• Supply Voltage Range: 4.5V to 5.5V, making it suitable for typical 5V logic systems.
• Output Current: Capable of sourcing up to 8 mA and sinking up to 20 mA, providing flexibility in interfacing with various peripherals.
• Package: The device comes in a 16-pin SOP (Small Outline Package), which is optimal for space-saving on PCBs.

Applications

The SN74ALS138ANS is versatile and can be used in a wide array of electronic applications. It is commonly employed in memory decoding or data routing applications, where its ability to select one of eight outputs is crucial. Additionally, it is suitable for use in systems that require relatively low power consumption without sacrificing speed, such as personal computers, office automation, and telecommunications equipment.

Technical Specifications

With a typical propagation delay of only 15 ns and a power dissipation of 20 mW, the SN74ALS138ANS is designed to deliver high-speed performance while maintaining energy efficiency. Its operating temperature range from 0°C to 70°C ensures reliability across various environmental conditions.

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the SN74ALS138ANS is no exception. It is fabricated with the utmost precision and undergoes rigorous testing to ensure it meets the high standards expected from TI products. Engineers and designers can integrate this decoder/demultiplexer into their systems with confidence, benefiting from Texas Instruments' global support and the device's proven track record of performance and durability.