Texas Instruments

SN74F257N  

Encoders, Decoders, Multiplexers & Demultiplexers

SN74F257N Description

The SN74F257N is a high-performance multiplexer integrated circuit (IC) from Texas Instruments, designed for applications requiring efficient data routing and signal selection. This IC features a 4 x 2:1 multiplexer configuration, allowing it to select one of four input signals to be routed to a single output. The SN74F257N operates within a voltage supply range of 4.5V to 5.5V and is optimized for single supply operation, making it suitable for a wide range of digital systems. With an operating temperature range of 0°C to 70°C, it is well-suited for use in standard industrial environments. The device is housed in a through-hole package, specifically a 16DIP (Dual In-line Package), which facilitates easy integration into printed circuit boards (PCBs).

SN74F257N Features

• Multiplexer Configuration: The SN74F257N features a 4 x 2:1 multiplexer configuration, enabling the selection of one of four input signals to be routed to a single output. This configuration is ideal for applications requiring efficient data routing and signal selection.
• Single Supply Operation: The IC operates within a voltage supply range of 4.5V to 5.5V, making it suitable for single supply systems. This feature simplifies power supply design and reduces the complexity of the overall system.
• High Output Current Capability: The SN74F257N can source up to 3mA and sink up to 24mA, providing robust output current capabilities that ensure reliable signal transmission even under varying load conditions.
• Through-Hole Mounting: The through-hole mounting type facilitates easy integration into PCBs, ensuring secure and reliable mechanical attachment. This mounting method is particularly advantageous for applications requiring high reliability and ease of assembly.
• Wide Operating Temperature Range: With an operating temperature range of 0°C to 70°C, the SN74F257N is well-suited for use in standard industrial environments, ensuring stable performance across a wide range of ambient conditions.
• Compliance and Environmental Considerations: The SN74F257N is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards. This compliance is crucial for manufacturers aiming to adhere to global environmental regulations and reduce the environmental impact of their products.

SN74F257N Applications

The SN74F257N is ideal for a variety of applications where efficient data routing and signal selection are required. Some specific use cases include:

• Digital Systems: In digital systems, the SN74F257N can be used to route data signals between different components, ensuring efficient communication and data processing.
• Microcontroller Interfaces: The multiplexer can be used to interface with microcontrollers, allowing for the selection of different input signals to be processed by the microcontroller.
• Data Acquisition Systems: In data acquisition systems, the SN74F257N can be used to select and route signals from multiple sensors to a single processing unit, simplifying the overall system design.
• Telecommunications: The IC can be used in telecommunications applications to route and select signals between different communication channels, ensuring efficient signal transmission and processing.
• Industrial Control Systems: In industrial control systems, the SN74F257N can be used to route control signals between different components, ensuring reliable and efficient operation of the system.

Conclusion of SN74F257N

The SN74F257N from Texas Instruments is a versatile and reliable multiplexer IC, offering a range of features and benefits that make it an excellent choice for a variety of applications. Its 4 x 2:1 multiplexer configuration, single supply operation, and robust output current capabilities ensure efficient data routing and signal selection. The through-hole mounting type and wide operating temperature range further enhance its suitability for industrial environments. With its compliance to environmental and regulatory standards, the SN74F257N is a future-proof solution for modern electronic systems. Whether used in digital systems, microcontroller interfaces, data acquisition systems, telecommunications, or industrial control systems, the SN74F257N provides reliable performance and ease of integration, making it a valuable component in any electronics designer's toolkit.

SN74F257N Documents

Download datasheets and manufacturer documentation for SN74F257N

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification (PDF)      

Models :

SN74F257N Symbol & Footprint by SnapMagic      

Product Catalogs :

Logic Guide (Rev. AB)