Texas Instruments

SN54F521J  

Linear Comparators

SN54F521J Description

The SN54F521J is an 8-bit identity comparator designed for high-speed digital applications. Manufactured by Texas Instruments, this through-hole mounted IC chip belongs to the 54F series and is currently in active production. It operates within a supply voltage range of 4.5V to 5.5V offers and a maximum propagation delay of 10ns at 5V with a load capacitance of 50pF. The SN54F521J is designed to provide an active-low output when the input signals are identical, making it ideal for applications requiring precise signal comparison.

SN54F521J Features

• High-Speed Performance: With a maximum propagation delay of 10ns at 5V and 50pF, the SN54F521J ensures rapid signal processing, making it suitable for high-speed digital systems.
• Low Quiescent Current: The IC consumes only 32mA in quiescent mode, which is advantageous for power-sensitive applications.
• Active Low Output: The active-low output function (A=B) simplifies circuit design and integration with other digital components.
• Robust Output Current Capability: The SN54F521J can source 1mA and sink 20mA, providing reliable output drive capabilities.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Packaging: Available in a tube package, the SN54F521J is easy to handle and integrate into various electronic systems.

SN54F521J Applications

The SN54F521J is ideal for a variety of applications where precise signal comparison is required. Some specific use cases include:

• Digital Signal Processing: Used in systems where high-speed comparison of signals digital is necessary, such as in communication systems and digital control circuits.
• Data Integrity Verification: In data storage and transmission systems, the SN54F521J can be used to verify the integrity of data by comparing input and output signals.
• Microprocessor Systems: Ideal for use in microprocessor-based systems where quick and accurate signal comparison is crucial for system performance.
• Automotive Electronics: Given its robustness and compliance with environmental standards, the SN54F521J can be used in automotive applications for signal comparison and control.

Conclusion of SN54F521J

The SN54F521J from Texas Instruments stands out as a reliable and high-performance 8-bit identity comparator. Its low propagation delay, low quiescent current, and robust output current capabilities make it a versatile choice for a wide range of digital applications. The device's compliance with environmental and safety standards ensures it meets the demands of modern electronics. Whether used in digital signal processing, data integrity verification, or microprocessor systems, the SN54F521J offers significant advantages over similar models, making it an excellent choice for engineers and designers in the electronics industry.

SN54F521J Documents

Download datasheets and manufacturer documentation for SN54F521J