Texas Instruments

SN74S85N  

Linear Comparators

SN74S85N Description

The SN74S85N is a high-speed magnitude comparator integrated circuit (IC) designed for comparing two 4-bit binary numbers. Manufactured by Texas Instruments, this IC is part of the 74S series and is housed in a through-hole package, making it suitable for a variety of applications where reliable and efficient digital comparison is required. The SN74S85N operates within a supply voltage range of 4.75V to 5.25V and can function effectively within an operating temperature range of 0°C to 70°C. It provides three output functions: A<B, A=B, and A>B, enabling versatile comparison operations.

SN74S85N Features

• High-Speed Performance: The SN74S85N boasts a maximum propagation delay of 18ns at 5V with a maximum capacitive load of 15pF, ensuring rapid and accurate comparison results.
• Robust Output Specifications: With an output current capability of 1mA for high output and 20mA for low output, the SN74S85N can drive multiple loads effectively.
• Active High Output: The active high output configuration simplifies circuit design and integration with other digital systems.
• Compliance and Safety: The SN74S85N is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Packaging and Mounting: Available in a tube package and through-hole mounting type, the SN74S85N is easy to integrate into various electronic assemblies.

SN74S85N Applications

The SN74S85N is ideal for applications requiring fast and accurate comparison of binary numbers. Some specific use cases include:

• Digital Systems: Used in digital circuits where binary number comparison is necessary, such as in arithmetic logic units (ALUs) and digital signal processing (DSP) systems.
• Control Systems: Employed in control systems to compare sensor inputs or control signals, enabling precise control and decision-making.
• Data Processing: Utilized in data processing applications where binary data comparison is required for sorting, searching, or error detection.
• Communication Systems: Used in communication systems for data validation and error checking, ensuring data integrity.

Conclusion of SN74S85N

The SN74S85N from Texas Instruments is a high-performance magnitude comparator IC that offers significant advantages over similar models. Its high-speed operation, robust output specifications, and compliance with environmental and safety standards make it a reliable choice for a wide range of applications. Whether used in digital systems, control systems, data processing, or communication systems, the SN74S85N ensures accurate and efficient binary number comparison. Its through-hole mounting and tube packaging further enhance its ease of integration into various electronic assemblies.

SN74S85N Documents

Download datasheets and manufacturer documentation for SN74S85N

Datasheets :

SN54,74(LS,S)85      

HTML Datasheet :

SN54,74(LS,S)85      

PCN Design/Specification :

Material Set 30/Mar/2017