Texas Instruments

SN54ALS251J  

Encoders, Decoders, Multiplexers & Demultiplexers

SN54ALS251J Description

The SN54ALS251J is a high-performance 1-of-8 data selector/multiplexer from Texas Instruments, designed to provide reliable and efficient signal routing in various electronic systems. This device is part of the 54ALS series, known for its robustness and compatibility with standard TTL logic levels. The SN54ALS251J features a single 1 x 8:1 independent circuit, making it ideal for applications requiring selective data routing from multiple input sources to a single output.

SN54ALS251J Features

• Independent Circuits: The SN54ALS251J offers one independent 1 x 8:1 circuit, allowing for the selection of one out of eight input signals to be routed to the output.
• Mounting Type: This device is designed for through-hole mounting, ensuring secure and stable integration into printed circuit boards (PCBs).
• Voltage Supply Source: It operates on a single supply voltage, simplifying power management and reducing the complexity of the power supply design.
• Voltage - Supply: The SN54ALS251J operates within a supply voltage range of 4.5V to 5.5V, providing flexibility and compatibility with standard power supply rails.
• Current - Output High, Low: The device can handle output currents of up to 1mA for high-level signals and 12mA for low-level signals, ensuring reliable performance even under varying load conditions.
• Package: The SN54ALS251J is available in a tube package, which is suitable for bulk handling and storage, making it convenient for manufacturing and assembly processes.
• RoHS Status: It is ROHS3 compliant, ensuring that it meets stringent environmental standards and is free from hazardous substances.
• Moisture Sensitivity Level (MSL): The SN54ALS251J is not moisture-sensitive, making it suitable for a wide range of environmental conditions without the need for special handling or storage requirements.

SN54ALS251J Applications

The SN54ALS251J is versatile and can be used in a variety of applications where data routing and signal selection are critical. Some specific use cases include:

• Telecommunications: In telecommunication systems, the SN54ALS251J can be used to route signals from multiple sources to a single output, enabling efficient signal management and switching.
• Data Processing: In data processing systems, it can be employed to select data from multiple input channels, facilitating the transfer of information to a central processing unit.
• Control Systems: The device is suitable for control systems where multiple sensors or input devices need to be selectively connected to a single controller.
• Industrial Automation: In industrial automation, the SN54ALS251J can be used to route signals from various sensors and actuators, enabling precise control and monitoring of processes.

Conclusion of SN54ALS251J

The SN54ALS251J from Texas Instruments is a reliable and efficient 1-of-8 data selector/multiplexer that offers several unique features and advantages over similar models. Its single 1 x 8:1 independent circuit, through-hole mounting, and single supply voltage operation make it an ideal choice for a wide range of applications. The device's compliance with ROHS3 standards and its non-moisture-sensitive nature further enhance its suitability for various industrial and commercial environments. Whether used in telecommunications, data processing, control systems, or industrial automation, the SN54ALS251J provides a robust and efficient solution for signal routing and data selection.

SN54ALS251J Documents

Download datasheets and manufacturer documentation for SN54ALS251J

Datasheets :

SN54(74)251, SN54(74)LS251, SN54(74)S251