Texas Instruments

SN74LS682NSR

SN74LS682NSR Description

The SN74LS682NSR is a high-performance 8-bit magnitude comparator integrated circuit (IC) designed by Texas Instruments. This device is part of the 74LS series, renowned for its reliability and efficiency in digital logic applications. The SN74LS682NSR is specifically engineered to compare two 8-bit binary numbers and determine their relative magnitudes, providing outputs that indicate whether the first number is greater than, less than, or equal to the second number.

SN74LS682NSR Features

• Operating Temperature Range: The SN74LS682NSR operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of ambient conditions.
• Propagation Delay: It offers a maximum propagation delay of 30ns at 5V and a maximum capacitive load of 45pF, ensuring rapid signal processing and high-speed performance.
• Supply Voltage: The IC operates within a supply voltage range of 4.85V to 5.25V, providing flexibility and compatibility with various power supply configurations.
• Output Configuration: The output is active low, which is ideal for cascading multiple comparators and integrating with other digital circuits.
• Output Function: It provides two main output functions: A=B (indicating equality) and A>B (indicating the first number is greater than the second).
• Current Handling: The SN74LS682NSR can handle an output high current of 400µA and an output low current of 24mA, ensuring robust performance in various load conditions.
• Packaging: Available in a surface-mount package (Tape & Reel), it is suitable for automated assembly processes and compact designs.
• Compliance: The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the SN74LS682NSR is highly resistant to moisture, ensuring long-term reliability in humid environments.

SN74LS682NSR Applications

The SN74LS682NSR is ideal for a variety of applications where precise and rapid comparison of binary numbers is required. Some specific use cases include:

• Digital Signal Processing: In systems where real-time comparison of digital signals is necessary, such as in digital filters or signal analyzers.
• Microcontroller and Microprocessor Interfaces: Used in interfacing with microcontrollers and microprocessors to compare data values and make conditional decisions.
• Memory Management: In memory systems, it can be used to compare address values for efficient data retrieval and management.
• Automotive Electronics: For applications requiring reliable and fast comparison logic, such as in engine control units (ECUs) and advanced driver-assistance systems (ADAS).
• Industrial Automation: In programmable logic controllers (PLCs) and other industrial control systems where precise comparison of digital inputs is crucial.

Conclusion of SN74LS682NSR

The SN74LS682NSR stands out as a versatile and high-performance magnitude comparator IC, offering a combination of speed, reliability, and compliance with industry standards. Its ability to compare 8-bit binary numbers quickly and accurately makes it an essential component in various digital systems. With its robust output capabilities, wide operating temperature range, and surface-mount packaging, the SN74LS682NSR is well-suited for modern electronics applications. Texas Instruments' commitment to quality and innovation ensures that the SN74LS682NSR delivers exceptional performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.