Texas Instruments

SN74S280N  

Parity Generators and Checkers

SN74S280N Description

The SN74S280N is a 9-bit parity generator/checker IC designed for generating and checking parity in digital systems. Manufactured by Texas Instruments, this through-hole mounted device is part of the 74S series and is housed in a tube package. It operates within a supply voltage range of 4.75 V to 5.25 V and is suitable for operating temperatures between 0°C and 70°C. The SN74S280N is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), it is highly reliable in various environmental conditions. Despite being marked as obsolete, the SN74S280N remains a robust choice for applications requiring parity generation and checking.

SN74S280N Features

The SN74S280N offers several key features that make it a valuable component in digital systems:

• Parity Generation and Checking: This IC is capable of generating and checking 9-bit parity, providing essential error detection capabilities in data transmission and storage systems.
• High and Low Output Currents: With output currents of 1mA and 20mA respectively, the SN74S280N ensures reliable signal transmission and compatibility with various digital circuits.
• Wide Operating Voltage Range: The 4.75 V to 5.25 V supply voltage range allows for flexibility in power supply design, making it suitable for a variety of applications.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards (PCBs).
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the SN74S280N meets stringent environmental regulations, making it suitable for use in environmentally conscious designs.
• High Reliability: With an MSL of 1 (unlimited), the SN74S280N is highly resistant to moisture, ensuring long-term reliability in diverse operating conditions.

SN74S280N Applications

The SN74S280N is ideal for a range of applications where error detection and correction are critical:

• Data Communication Systems: In systems where data integrity is paramount, the SN74S280N can be used to generate and check parity bits, ensuring accurate data transmission.
• Memory Systems: For memory systems that require error detection mechanisms, the SN74S280N can be integrated to enhance reliability and prevent data corruption.
• Industrial Control Systems: In industrial environments where electronic components are exposed to varying temperatures and humidity levels, the SN74S280N’s robustness and reliability make it a suitable choice.
• Telecommunications: In telecommunication equipment, the SN74S280N can help maintain data integrity during transmission, reducing the likelihood of errors and improving system performance.

Conclusion of SN74S280N

The SN74S280N, despite being marked as obsolete, remains a reliable and versatile IC for generating and checking 9-bit parity. Its wide operating voltage range, robust through-hole mounting, and environmental compliance make it suitable for a variety of applications, particularly those requiring high reliability and error detection capabilities. While newer alternatives may exist, the SN74S280N continues to offer a proven solution for digital systems where parity generation and checking are essential.

SN74S280N Documents

Download datasheets and manufacturer documentation for SN74S280N

Datasheets :

SN54,74(LS,S)280      

PCN Obsolescence/ EOL :

SSL Devices, 22/Jul/2014      

HTML Datasheet :

SN54,74(LS,S)280      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013