Texas Instruments

SN74LS298DR

SN74LS298DR Description

The SN74LS298DR is a 4 x 2:1 multiplexer integrated circuit (IC) designed by Texas Instruments. This obsolete yet highly functional component is part of the 74LS series, known for its reliability and performance in digital circuits. The SN74LS298DR operates within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and commercial applications. It is packaged in a 16-lead small outline integrated circuit (SOIC) and is available in a tape and reel format, facilitating surface mount assembly processes.

SN74LS298DR Features

• Operating Temperature: The SN74LS298DR is designed to operate reliably within a temperature range of 0°C to 70°C, ensuring consistent performance in various environmental conditions.
• Supply Voltage: It operates on a single supply voltage ranging from 4.75V to 5.25V, providing flexibility and compatibility with standard digital systems.
• Output Current: The IC can handle an output current of 400µA for high-level outputs and 8mA for low-level outputs, making it suitable for driving various digital loads.
• Circuit Configuration: The SN74LS298DR features four independent 2:1 multiplexers, allowing for efficient data routing and selection in digital systems.
• Compliance: It is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (unlimited), the SN74LS298DR is highly resistant to moisture, reducing the risk of damage during manufacturing and storage.

SN74LS298DR Applications

The SN74LS298DR is ideal for applications requiring efficient data routing and selection in digital systems. Its 4 x 2:1 multiplexer configuration makes it particularly useful in:

• Data Communication: For selecting and routing data between multiple sources and destinations.
• Control Systems: In industrial control systems where multiple inputs need to be selected and processed.
• Digital Signal Processing: For managing and routing digital signals in various processing applications.
• Consumer Electronics: In devices where multiple data streams need to be managed efficiently.

Conclusion of SN74LS298DR

The SN74LS298DR, despite being an obsolete model, remains a reliable choice for applications requiring a 4 x 2:1 multiplexer. Its robust operating temperature range, single supply voltage, and compliance with environmental standards make it a versatile component. The high moisture sensitivity level further enhances its reliability in manufacturing and storage. While newer alternatives may offer additional features, the SN74LS298DR continues to provide efficient data routing and selection in various digital systems.