onsemi

DM74AS257M

DM74AS257M Description

The DM74AS257M is a high-performance multiplexer integrated circuit (IC) designed by onsemi, a leading manufacturer of semiconductor solutions. This Logic IC Chip belongs to the 74AS series and is specifically designed to handle 4 x 2:1 multiplexing operations. It features a single supply voltage range of 4.5V to 5.5V, making it suitable for a variety of applications that require stable and efficient signal routing. The DM74AS257M is housed in a 16SOIC package, which is ideal for surface mount applications, ensuring easy integration into modern electronic designs.

DM74AS257M Features

• Operating Temperature Range: The DM74AS257M operates reliably within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and commercial applications.
• Single Supply Operation: With a supply voltage range of 4.5V to 5.5V, this IC simplifies power supply design and ensures efficient operation.
• High Current Capability: The DM74AS257M can handle output currents of up to 15mA for high-level signals and 48mA for low-level signals, providing robust performance in demanding applications.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), this IC is highly resistant to moisture, ensuring long-term reliability and performance in various environmental conditions.
• ECCN and REACH Compliance: The DM74AS257M is classified under ECCN EAR99 and is REACH unaffected, ensuring compliance with international regulations and standards.
• Independent Circuits: The IC features one independent 4 x 2:1 multiplexer circuit, allowing for efficient signal selection and routing.
• Mounting Type: The surface mount design of the DM74AS257M facilitates easy integration into compact and high-density PCB layouts.

DM74AS257M Applications

The DM74AS257M is ideal for applications requiring efficient signal routing and selection. Its high current capability and single supply operation make it suitable for a variety of electronic systems, including:

• Digital Signal Processing: Used in systems where multiple digital signals need to be routed and selected based on control inputs.
• Data Acquisition Systems: Enables the selection of multiple input channels for data acquisition and processing.
• Telecommunications: Ideal for routing and selecting signals in telecommunication equipment and networks.
• Industrial Control Systems: Provides reliable signal routing in industrial automation and control systems.
• Consumer Electronics: Used in devices where multiple signal sources need to be managed efficiently.

Conclusion of DM74AS257M

The DM74AS257M is a versatile and reliable multiplexer IC that offers significant advantages over similar models. Its wide operating temperature range, high current capability, and single supply operation make it an ideal choice for a variety of applications. The surface mount package ensures easy integration into modern electronic designs, while its compliance with international regulations ensures its suitability for global markets. Despite being marked as obsolete, the DM74AS257M remains a valuable component for applications requiring efficient signal routing and selection.