Texas Instruments

SN74ALS990N

SN74ALS990N Description

The SN74ALS990N is a high-performance D-Type transparent latch designed for use in digital systems. Manufactured by Texas Instruments, this logic IC chip belongs to the 74ALS series and is known for its robust performance and reliability. The device features an 8:8 configuration, meaning it can handle eight input lines and eight output lines simultaneously. It operates within a supply voltage range of 4.5V to 5.5V and is designed for an operating temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and commercial applications.

The SN74ALS990N is housed in a through-hole package, specifically a 20-pin DIP (Dual In-line Package), which is ideal for applications requiring high reliability and ease of installation on printed circuit boards. The device offers a propagation delay time of 6 nanoseconds, ensuring fast and efficient data transfer. It also provides an output current capability of 400µA for high-level outputs and 8mA for low-level outputs, making it suitable for driving various types of loads.

SN74ALS990N Features

• High-Speed Performance: With a propagation delay of 6ns, the SN74ALS990N ensures rapid data transfer, making it suitable for high-speed digital systems.
• Robust Power Specifications: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply design.
• High Output Current Capability: The SN74ALS990N can source up to 400µA and sink up to 8mA, allowing it to drive a variety of digital loads.
• Wide Operating Temperature Range: The device is rated for operation from 0°C to 70°C, making it suitable for a broad range of environmental conditions.
• Through-Hole Mounting: The 20-pin DIP package ensures reliable mechanical stability and ease of installation on PCBs.
• Compliance and Standards: The SN74ALS990N is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Single Independent Circuit: The device features a single independent circuit, simplifying design and reducing complexity in multi-channel applications.

SN74ALS990N Applications

The SN74ALS990N is ideal for applications requiring high-speed data latching and transfer. Some specific use cases include:

• Digital Systems: Used in computers, servers, and other digital systems where fast and reliable data transfer is crucial.
• Industrial Control Systems: Suitable for automation and control systems where robust performance and reliability are essential.
• Telecommunications: Ideal for networking equipment and communication systems that require high-speed data handling.
• Consumer Electronics: Applicable in devices such as printers, scanners, and other peripherals that need efficient data processing.

Conclusion of SN74ALS990N

The SN74ALS990N from Texas Instruments is a versatile and high-performance D-Type transparent latch that offers significant advantages over similar models. Its fast propagation delay, robust power specifications, and high output current capability make it an excellent choice for a wide range of applications. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics manufacturing. Whether used in digital systems, industrial control, telecommunications, or consumer electronics, the SN74ALS990N provides reliable and efficient performance, making it a valuable component in any design.