Texas Instruments

SN74LS253D

SN74LS253D Description

The SN74LS253D is a 2 x 4:1 multiplexer integrated circuit (IC) designed by Texas Instruments, a leading manufacturer in the semiconductor industry. This IC is part of the 74LS series, known for its robust performance and reliability. The SN74LS253D features a single supply voltage range of 4.75V to 5.25V, making it suitable for applications that require a stable and efficient power supply. It operates within a temperature range of 0°C to 70°C, ensuring reliable performance in a variety of environmental conditions.

The SN74LS253D is designed with independent circuits, providing a 2 x 4:1 multiplexing capability. This means it can select one of four input signals and route it to a single output line, based on the control inputs. The IC is housed in a surface mount package, specifically a 16SOIC, which is ideal for compact and space-efficient designs. The package type is a tube, facilitating easy handling and storage.

SN74LS253D Features

• Operating Temperature Range: 0°C to 70°C, ensuring stable performance across a wide range of ambient temperatures.
• Voltage Supply Source: Single supply operation with a voltage range of 4.75V to 5.25V, simplifying power supply design.
• Multiplexing Capability: 2 x 4:1 multiplexing, allowing for efficient signal routing and selection.
• Current Handling: Output high current of 2.6mA and output low current of 8mA, providing robust performance for various applications.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for storage and handling in various environments.
• Mounting Type: Surface mount, ideal for modern, space-efficient PCB designs.
• Package Type: 16SOIC in a tube, facilitating easy handling and integration.

SN74LS253D Applications

The SN74LS253D is ideal for a variety of applications where signal routing and selection are critical. Its multiplexing capabilities make it particularly useful in:

• Digital Signal Processing: Efficiently routing digital signals in complex systems.
• Communication Systems: Managing multiple data streams in communication equipment.
• Control Systems: Selecting and routing control signals in automated systems.
• Consumer Electronics: Enabling signal selection in devices such as TVs, monitors, and other consumer electronics.
• Industrial Automation: Handling multiple input signals in industrial control systems.

Conclusion of SN74LS253D

The SN74LS253D is a versatile and reliable multiplexer IC, offering robust performance and compliance with industry standards. Its 2 x 4:1 multiplexing capability, combined with a single supply voltage range and surface mount package, makes it an ideal choice for a wide range of applications. Despite being marked as obsolete, the SN74LS253D remains a valuable component for designers and engineers looking for a reliable and efficient multiplexing solution.