Texas Instruments

SN74AS258DR

SN74AS258DR Description

The SN74AS258DR is a high-performance multiplexer IC designed by Texas Instruments, belonging to the 74AS series. This 4 x 2:1 multiplexer is housed in a 16-pin SOIC package and is ideal for applications requiring efficient signal routing and selection. The device operates within a voltage supply range of 4.5V to 5.5V and features a single supply source, making it suitable for a variety of digital systems. With an operating temperature range of 0°C to 70°C, the SN74AS258DR is well-suited for commercial and industrial environments.

SN74AS258DR Features

• Circuit Configuration: The SN74AS258DR features a 4 x 2:1 multiplexer circuit, allowing for the selection of one of four input signals to be routed to a single output. This configuration is ideal for applications requiring multiple input channels.
• Independent Circuits: The device comprises one independent circuit, ensuring efficient and reliable signal processing.
• Voltage Supply: The SN74AS258DR operates within a voltage supply range of 4.5V to 5.5V, providing flexibility in power supply options.
• Current Handling: The IC supports an output high current of 2.6mA and an output low current of 24mA, ensuring robust performance in various load conditions.
• Mounting Type: The surface mount package type facilitates easy integration into compact and high-density PCB designs.
• Compliance: The SN74AS258DR is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory adherence.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device is highly resistant to moisture, enhancing its reliability in diverse environmental conditions.

SN74AS258DR Applications

The SN74AS258DR is well-suited for a variety of applications due to its versatile multiplexing capabilities and robust performance. Key applications include:

• Data Acquisition Systems: The multiplexer's ability to select from multiple input signals makes it ideal for data acquisition systems where multiple sensors or data sources need to be interfaced.
• Digital Signal Processing: In digital signal processing applications, the SN74AS258DR can efficiently route signals through various processing stages, enhancing system performance.
• Communication Systems: The device can be used in communication systems to manage multiple data channels, ensuring efficient data transmission and reception.
• Industrial Control Systems: The SN74AS258DR's robust performance and wide operating temperature range make it suitable for industrial control systems where reliability and durability are critical.

Conclusion of SN74AS258DR

The SN74AS258DR is a versatile and reliable multiplexer IC designed for efficient signal routing and selection. Its 4 x 2:1 circuit configuration, combined with a wide operating voltage range and robust current handling capabilities, makes it an excellent choice for a variety of applications. The device's compliance with environmental and regulatory standards ensures its suitability for modern electronic systems. While the SN74AS258DR is now obsolete, its legacy continues to influence the design and development of advanced multiplexing solutions.