Texas Instruments

SN74HC251DG4  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74HC251DG4 Description

The SN74HC251DG4 is a high-performance multiplexer IC designed for a wide range of digital signal routing applications. Manufactured by Texas Instruments, this device belongs to the 74HC series, renowned for its reliability and efficiency. The SN74HC251DG4 features a 1 x 8:1 multiplexer circuit, enabling it to select one of eight input signals and route it to a single output. It operates on a single supply voltage ranging from 2V to 6V, making it suitable for various power supply configurations. The device is available in a surface mount package, specifically a 16SOIC format, which is ideal for compact and space-constrained designs. The SN74HC251DG4 also complies with stringent industry standards, including REACH and RoHS3, ensuring environmental safety and regulatory compliance.

SN74HC251DG4 Features

• Multiplexer Configuration: The SN74HC251DG4 is designed as a 1 x 8:1 multiplexer, allowing for efficient signal selection and routing. This configuration is ideal for applications requiring multiple input signals to be managed and directed to a single output.
• Single Supply Operation: With a voltage supply range of 2V to 6V, the SN74HC251DG4 offers flexibility in power supply options. This wide operating range ensures compatibility with various power sources, enhancing its versatility in different electronic systems.
• Surface Mount Packaging: The 16SOIC package of the SN74HC251DG4 is designed for surface mount technology (SMT), enabling compact and efficient PCB layouts. This packaging is particularly beneficial for applications where space is limited, such as in mobile devices and embedded systems.
• High Output Current Capability: The SN74HC251DG4 can provide an output current of 7.8mA in both high and low states. This capability ensures robust signal transmission and compatibility with a wide range of downstream devices.
• Environmental Compliance: The SN74HC251DG4 is REACH unaffected and RoHS3 compliant, adhering to the highest environmental standards. This compliance ensures that the device is safe for use in various industries and meets regulatory requirements for environmental protection.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the SN74HC251DG4 is highly resistant to moisture, making it suitable for use in a variety of environmental conditions without the need for special handling or storage requirements.

SN74HC251DG4 Applications

The SN74HC251DG4 is well-suited for a variety of applications where efficient signal routing and selection are required. Some specific use cases include:

• Data Communication Systems: In systems where multiple data channels need to be managed and routed to a single output, the SN74HC251DG4 provides a reliable and efficient solution. This is particularly useful in network interfaces and data transmission systems.
• Embedded Systems: The compact 16SOIC package and single supply operation make the SN74HC251DG4 ideal for embedded systems where space and power efficiency are critical. It can be used in microcontroller-based designs to manage multiple input signals.
• Automotive Electronics: The robustness and environmental compliance of the SN74HC251DG4 make it suitable for automotive applications, where reliability and adherence to environmental standards are paramount. It can be used in infotainment systems, engine control units, and other automotive electronic modules.
• Industrial Control Systems: In industrial settings, the SN74HC251DG4 can be used to manage and route signals from various sensors and control devices. Its wide operating voltage range and high output current capability ensure compatibility with a wide range of industrial equipment.

Conclusion of SN74HC251DG4

The SN74HC251DG4 is a versatile and reliable multiplexer IC that offers significant advantages in signal routing and management. Its 1 x 8:1 configuration, wide operating voltage range, and surface mount packaging make it suitable for a wide range of applications, from compact embedded systems to robust industrial and automotive electronics. The device's compliance with environmental standards and its high resistance to moisture further enhance its appeal in various industries. For engineers and designers seeking a reliable and efficient multiplexer solution, the SN74HC251DG4 is an excellent choice.

SN74HC251DG4 Documents

Download datasheets and manufacturer documentation for SN74HC251DG4

PCN Part Status Change :

Mult Dev Status Chg 25/Apr/2023      

Datasheets :

SN54HC251, SN74HC251