The 54S280DM, manufactured by Rochester Electronics, is a 9-bit odd/even parity generator/checker. This device belongs to the Schottky TTL (Transistor-Transistor Logic) family and is designed to generate or check parity bits for data transmission and storage systems. Rochester Electronics specializes in providing continuing manufacturing services for discontinued or obsolete components, ensuring that critical parts like the 54S280DM remain available for legacy systems and specialized applications.

Applications:

• Data transmission systems
• Error detection in memory systems
• Parity checking in computer peripherals
• Communication equipment
• Industrial control systems

Features:

• Generates or checks parity bits for 9-bit data words
• High-speed Schottky TTL technology
• Standard military temperature range (-55°C to +125°C)
• Available in ceramic DIP package
• Provides both odd and even parity outputs

Benefits:

• Ensures data integrity by detecting single-bit errors
• High-speed operation suitable for demanding applications
• Reliable performance over a wide temperature range
• Simplifies parity generation and checking circuitry
• Extends the life of legacy systems

Additional Details:

The 54S280DM operates from a 5V power supply and is compatible with other TTL logic devices. It features a typical propagation delay of around 6ns, making it suitable for high-speed data processing applications. The device's inputs are designed to be compatible with standard TTL voltage levels. The parity outputs can be used to drive other logic circuits or to indicate the presence of a parity error. The military temperature range ensures reliable operation in harsh environments. It is crucial to consult the Rochester Electronics datasheet for precise electrical characteristics, timing diagrams, and application guidelines when integrating this component into a system. The 54S280DM is vital for maintaining the functionality of older systems that rely on parity checking for data integrity.