Texas Instruments

SN74AS258D

SN74AS258D Description

The SN74AS258D is a 4 x 2:1 multiplexer integrated circuit (IC) designed by Texas Instruments. This obsolete device is part of the 74AS series, known for its high-speed performance and low power consumption. The SN74AS258D features a single supply voltage range of 4.5V to 5.5V, making it suitable for applications requiring a stable and efficient power source. It operates within a temperature range of 0°C to 70°C, ensuring reliable performance in standard industrial environments.

The IC is housed in a surface-mount package, specifically a 16SOIC, which is ideal for compact and space-efficient designs. It includes four independent 2:1 multiplexer circuits, each capable of switching between two input signals based on a control signal. The SN74AS258D is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. The device also has a moisture sensitivity level (MSL) of 1, indicating it is not moisture-sensitive and can be stored without special precautions.

SN74AS258D Features

• High-Speed Performance: The 74AS series is renowned for its high-speed capabilities, making the SN74AS258D suitable for applications requiring rapid signal switching.
• Low Power Consumption: The single supply voltage range of 4.5V to 5.5V ensures efficient power usage, reducing overall energy consumption.
• Independent Circuits: With four independent 2:1 multiplexer circuits, the SN74AS258 canD handle multiple signal paths simultaneously, enhancing its versatility.
• Surface-Mount Compatibility: The 16SOIC package is ideal for modern PCB designs, offering space-saving benefits and ease of integration.
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the SN74AS258D meets global environmental regulations, ensuring safe and sustainable use.
• Moisture Resistance: With an MSL of 1, the device is not moisture-sensitive, providing flexibility in storage and handling conditions.

SN74AS258D Applications

The SN74AS258D is ideal for a variety of applications, including:

• Digital Signal Processing: The multiplexer can switch between multiple digital signals, enabling efficient data routing in complex systems.
• Communication Systems: In communication systems, the SN74AS258D can manage multiple input channels, facilitating seamless data transmission.
• Automotive Electronics: The device's operating temperature range and surface-mount compatibility make it suitable for automotive applications where space and reliability are critical.
• Consumer Electronics: The SN74AS258D can be used in consumer electronics for signal switching and routing, enhancing the functionality of devices such as smartphones, tablets, and gaming consoles.

Conclusion of SN74AS258D

The SN74AS258D from Texas Instruments is a versatile and efficient multiplexer IC, offering high-speed performance and low power consumption. Its surface-mount package and environmental compliance make it suitable for modern electronics applications. Despite being obsolete, the SN74AS258D remains a reliable choice for applications requiring a compact and efficient signal routing solution.