Texas Instruments

CD74HC85NS  

Linear Comparators

CD74HC85NS Description

The CD74HC85NS is a high-speed 4-bit magnitude comparator from Texas Instruments, designed to provide efficient and reliable digital comparison functions. This IC belongs to the 74HC series, known for its robust performance and versatility in various electronic applications. The CD74HC85NS operates within a supply voltage range of 2V to 6V, making it suitable for a wide range of power supply configurations. It features a maximum propagation delay of 33ns at 6V and a load capacitance of 50pF, ensuring fast and accurate comparison operations.

CD74HC85NS Features

• High-Speed Performance: With a maximum propagation delay of 33ns at 6V and 50pF, the CD74HC85NS delivers rapid comparison results, ideal for time-sensitive applications.
• Low Quiescent Current: Consuming only 8 µA of quiescent current, this IC is highly energy-efficient, making it suitable for battery-powered and low-power systems.
• Active High Output: The active high output function (A<B, A=B, A>B) provides clear and direct comparison results, simplifying circuit design and reducing complexity.
• Wide Supply Voltage Range: Operating within a 2V to 6V supply voltage range, the CD74HC85NS is adaptable to various power supply conditions, enhancing its versatility.
• Surface Mount Technology: The surface mount package type ensures easy integration into modern PCB designs, facilitating compact and efficient circuit layouts.
• Robust Output Current Capability: With an output current capability of 5.2mA for both high and low states, the CD74HC85NS can drive multiple loads without additional buffering.
• Moisture Sensitivity Level 3: Certified with an MSL of 3 (168 hours), this IC is suitable for environments with moderate humidity, ensuring reliable performance.

CD74HC85NS Applications

The CD74HC85NS is ideal for a variety of applications where digital comparison is required. Its high-speed and low-power characteristics make it suitable for:

• Digital Systems: Used in microprocessors, microcontrollers, and other digital systems where fast and accurate comparison of binary numbers is essential.
• Memory Management: Employed in memory address decoding and comparison, ensuring efficient data retrieval and storage operations.
• Data Processing: Utilized in data processing units for comparing data values, facilitating decision-making processes in complex systems.
• Control Systems: Applied in control systems for comparing sensor inputs or control signals, enabling precise control and monitoring.
• Communication Systems: Used in communication protocols for comparing data packets or signal levels, ensuring reliable data transmission.

Conclusion of CD74HC85NS

The CD74HC85NS from Texas Instruments is a versatile and high-performance 4-bit magnitude comparator, offering a combination of speed, low power consumption, and robust output capabilities. Its wide supply voltage range and surface mount package make it suitable for a variety of applications, from digital systems to communication protocols. The low quiescent current and high-speed performance ensure efficient operation in low-power and time-sensitive environments. With its active high output function and reliable performance, the CD74HC85NS stands out as an ideal choice for engineers and designers looking for a reliable and efficient magnitude comparator.

CD74HC85NS Documents

Download datasheets and manufacturer documentation for CD74HC85NS