onsemi

74AC251SJ

74AC251SJ Description

The 74AC251SJ is a high-performance multiplexer IC designed for a wide range of digital signal routing applications. Manufactured by onsemi, this 1 x 8:1 multiplexer is part of the 74AC series, known for its robust performance and reliability. The 74AC251SJ features a single supply voltage range of 2V to 6V, making it versatile for various power supply configurations. It is housed in a surface-mount package, specifically a 16SOP, which is ideal for compact and high-density circuit board designs.

74AC251SJ Features

• Series: 74AC
• Type: Multiplexer
• Circuit Configuration: 1 x 8:1
• Mounting Type: Surface Mount
• Voltage Supply Source: Single Supply (2V to 6V)
• Output Current: High (24mA) and Low (24mA)
• Package: 16SOP in a Tube
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited)
• ECCN: EAR99
• REACH Status: REACH Unaffected
• HTSUS: 8542.39.0001
• Product Status: Obsolete

The 74AC251SJ stands out due to its ability to handle a wide range of supply voltages, ensuring compatibility with different power supply systems. Its surface-mount package allows for easy integration into modern PCB designs, while the high output current capability ensures robust signal transmission. The moisture sensitivity level of 1 (unlimited) makes it suitable for a variety of environmental conditions, enhancing its reliability and longevity.

74AC251SJ Applications

The 74AC251SJ is ideal for applications that require efficient signal routing and selection. Its 1 x 8:1 multiplexer design allows for the selection of one of eight input signals to be routed to a single output. This makes it particularly useful in:

• Data Acquisition Systems: Where multiple input signals need to be selected and processed sequentially.
• Communication Systems: For signal switching and routing in telecommunication equipment.
• Automotive Electronics: In systems where multiple sensors or control signals need to be managed.
• Industrial Control Systems: For managing and routing signals in complex industrial automation setups.

The 74AC251SJ's versatility and robust performance make it a reliable choice for engineers looking to implement efficient signal routing solutions in their designs.

Conclusion of 74AC251SJ

The 74AC251SJ is a versatile and reliable multiplexer IC from onsemi, offering a wide voltage range, high output current, and a compact surface-mount package. While it is now considered obsolete, its unique features and performance benefits make it a valuable component for existing systems and legacy designs. For applications requiring efficient signal routing and selection, the 74AC251SJ remains a robust and reliable choice, ensuring high performance and compatibility with various power supply configurations.