Texas Instruments

SN74ALS518N  

Linear Comparators

SN74ALS518N Description

The SN74ALS518N is an 8-bit identity comparator integrated circuit (IC) designed by Texas Instruments, a leading manufacturer in the semiconductor industry. This IC belongs to the 74ALS series and is specifically engineered for high-speed digital applications. It is housed in a through-hole 20DIP package, making it suitable for a variety of printed circuit board (PCB) designs. The SN74ALS518N operates within a supply voltage range of 4.5V to 5.5V and can function effectively within an operating temperature range of 0°C to 70°C. It is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.

SN74ALS518N Features

• High-Speed Performance: The SN74ALS518N boasts a maximum propagation delay of 33ns at 5V with a maximum load capacitance of 50pF. This high-speed performance makes it ideal for applications requiring rapid data comparison and processing.
• Active High Output: The output function of the SN74ALS518N is active high, providing a clear and reliable signal when the input data matches (A=B). This feature simplifies the design of digital circuits and reduces the need for additional logic gates.
• Robust Current Handling: The IC can handle an output current of up to 24mA for low outputs and 100µA for high outputs, ensuring stable performance even under varying load conditions.
• Through-Hole Mounting: The through-hole mounting type of the SN74ALS518N allows for easy integration into PCBs, providing a secure and reliable connection.
• Compliance and Safety: The SN74ALS518N is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. This compliance is crucial for manufacturers aiming to adhere to global regulations and maintain a sustainable production process.

SN74ALS518N Applications

The SN74ALS518N is versatile and can be applied in various digital systems where data comparison is essential. Some specific use cases include:

• Data Processing Systems: In systems where multiple data streams need to be compared and validated, the SN74ALS518N ensures accurate and rapid comparison, enhancing overall system efficiency.
• Memory Management: The IC can be used in memory systems to compare address lines or data buses, facilitating efficient memory access and management.
• Digital Signal Processing: In digital signal processing applications, the SN74ALS518N can be utilized to compare incoming signals against reference values, enabling precise control and processing.
• Communication Systems: The comparator can be employed in communication systems to verify data integrity by comparing transmitted and received data streams.

Conclusion of SN74ALS518N

The SN74ALS518N from Texas Instruments is a high-performance 8-bit identity comparator that offers significant advantages over similar models. Its high-speed operation, active high output, and robust current handling capabilities make it an ideal choice for a wide range of digital applications. The through-hole mounting type and compliance with environmental and safety standards further enhance its appeal. Whether used in data processing systems, memory management, digital signal processing, or communication systems, the SN74ALS518N ensures reliable and efficient performance.

SN74ALS518N Documents

Download datasheets and manufacturer documentation for SN74ALS518N

Datasheets :

SN54ALS520, SN74ALS518/520/521      

HTML Datasheet :

SN54ALS520, SN74ALS518/520/521      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Material Set 30/Mar/2017