onsemi

DM74LS253N

DM74LS253N Description

The DM74LS253N is a 2 x 4:1 multiplexer integrated circuit (IC) designed for a wide range of digital signal routing applications. Manufactured by onsemi, this logic IC chip is part of the 74LS series, known for its robust performance and reliability. The DM74LS253N operates within a temperature range of 0°C to 70°C, making it suitable for general industrial and commercial environments. It features a single supply voltage range of 4.75V to 5.25V, ensuring stable operation with minimal power consumption.

The DM74LS253N is housed in a through-hole package, specifically a 16DIP (Dual In-line Package), which facilitates easy integration into printed circuit boards (PCBs) and allows for manual soldering. This packaging method is ideal for applications where surface-mount technology (SMT) is not required or where through-hole components are preferred for mechanical stability.

DM74LS253N Features

The DM74LS253N offers several key features that distinguish it from other multiplexer ICs:

• Independent Circuits: The DM74LS253N provides a single independent 2 x 4:1 multiplexer circuit, allowing for efficient signal selection and routing.
• Voltage Supply Source: It operates on a single supply voltage, simplifying power management and reducing the complexity of power distribution in the circuit.
• Current - Output High, Low: The IC supports an output current of 2.6mA for high-level signals and 24mA for low-level signals, ensuring reliable signal transmission even under varying load conditions.
• Moisture Sensitivity Level (MSL): With an MSL rating of 1 (Unlimited), the DM74LS253N is highly resistant to moisture, making it suitable for use in environments with varying humidity levels.
• REACH Status: The DM74LS253N is REACH unaffected, ensuring compliance with environmental regulations and standards.
• ECCN: The Export Control Classification Number (ECCN) for the DM74LS253N is EAR99, indicating that it is subject to the Export Administration Regulations (EAR) but is not specifically controlled under the EAR.

DM74LS253N Applications

The DM74LS253N is ideal for a variety of applications where signal routing and selection are critical. Some specific use cases include:

• Data Acquisition Systems: The DM74LS253N can be used to route multiple input signals to a single data acquisition channel, enabling efficient data collection and processing.
• Digital Signal Processing: In digital signal processing applications, the multiplexer can select between different input signals for processing, allowing for dynamic signal management.
• Control Systems: The DM74LS253N can be employed in control systems to route control signals to various components, enhancing the flexibility and functionality of the system.
• Telecommunications: In telecommunications equipment, the multiplexer can be used to switch between different communication channels, ensuring seamless signal transmission.

Conclusion of DM74LS253N

The DM74LS253N is a versatile and reliable multiplexer IC that offers a range of features and benefits for digital signal routing applications. Its single supply operation, robust through-hole packaging, and compliance with environmental regulations make it an attractive choice for a variety of industrial and commercial applications. Despite its obsolete status, the DM74LS253N remains a valuable component for applications where its specific features and performance characteristics are required.