onsemi

SN74LS682DW

SN74LS682DW Description

The SN74LS682DW is an 8-bit magnitude comparator IC designed for high-performance digital applications. Manufactured by onsemi, this device belongs to the 74LS series and is housed in a surface-mount package, specifically a 20-pin SOIC. It operates within a supply voltage range of 4.85V to 5.25V and is suitable for use in environments with an operating temperature range of 0°C to 70°C. The SN74LS682DW provides active-low outputs for A=B and A>B functions, making it ideal for applications requiring precise digital comparisons.

SN74LS682DW Features

• High-Speed Performance: The SN74LS682DW offers a maximum propagation delay of 30ns at 5V and a maximum capacitive load of 45pF, ensuring rapid and accurate comparisons in digital circuits.
• Robust Output Current: With an output current capability of 400µA for high outputs and 24mA for low outputs, this IC can drive multiple loads without the need for additional buffering.
• Active-Low Outputs: The active-low outputs for A=B and A>B functions provide flexibility in circuit design, allowing for easy integration with other digital components.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 4.85V to 5.25V, making it suitable for a variety of power supply configurations.
• Surface-Mount Packaging: The 20-pin SOIC package is ideal for surface-mount applications, providing a compact and reliable solution for modern PCB designs.
• Obsolete Status: While the SN74LS682DW is now considered obsolete, it remains a valuable component for legacy systems and applications where its specific features are required.

SN74LS682DW Applications

The SN74LS682DW is well-su forited a variety of applications where precise digital comparisons are necessary. Some specific use cases include:

• Digital Signal Processing: In systems where digital signals need to be compared for control or decision-making processes, the SN74LS682DW provides reliable and fast comparisons.
• Microprocessor Systems: Used in microprocessor-based systems for address decoding and data comparison tasks, ensuring accurate and efficient operation.
• Memory Management: In memory systems, the SN74LS682DW can be used for address comparisons, helping to manage and control memory access.
• Industrial Control Systems: For industrial applications requiring precise control and monitoring, the SN74LS682DW can be integrated into control circuits to provide accurate digital comparisons.

Conclusion of SN74LS682DW

The SN74LS682DW, despite its obsolete status, remains a valuable component for applications requiring an 8-bit magnitude comparator. Its high-speed performance, robust output current, and flexible output functions make it a reliable choice for digital circuits. While newer alternatives may offer additional features or improved performance, the SN74LS682DW continues to serve well in legacy systems and specific applications where its unique capabilities are essential. For engineers and designers working with digital systems, the SN74LS682DW remains a viable option for precise and efficient digital comparisons.