Texas Instruments

CD74HC85M96E4

CD74HC85M96E4 Description

The CD74HC85M96E4 is a 4-bit magnitude comparator IC designed by Texas Instruments, part of the 74HC series. This IC is specifically engineered to compare two 4-bit binary numbers and determine their relative magnitudes, providing outputs for A<B, A=B, and A>B conditions. The CD74HC85M96E4 operates within a supply voltage range of 2V to 6V, making it suitable for a variety of low to medium voltage applications. It features a maximum propagation delay of 33ns at 6V with a load capacitance of 50pF, ensuring fast and reliable performance. The IC is designed for surface mount applications, packaged in a Tape & Reel (TR) format, which is ideal for automated assembly processes. Despite being marked as obsolete, the CD74HC85M96E4 remains a robust solution for specific applications where its unique features are required.

CD74HC85M96E4 Features

• High-Speed Performance: With a maximum propagation delay of 33ns at 6V and 50pF, the CD74HC85M96E4 ensures rapid signal processing, making it suitable for high-speed digital systems.
• Low Quiescent Current: Consuming only 8 µA of quiescent current, this IC is highly energy-efficient, making it ideal for battery-powered and low-power applications.
• Wide Supply Voltage Range: Operating within a 2V to 6V supply voltage range, the CD74HC85M96E4 offers flexibility in power supply requirements, accommodating various power sources.
• Active High Output: The active high output function simplifies circuit design and integration, providing clear and direct output signals.
• Surface Mount Compatibility: The surface mount package type ensures ease of integration into modern printed circuit boards (PCBs), facilitating automated assembly and reducing overall board size.
• Compliance and Safety: The CD74HC85M96E4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for a wide range of applications.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the IC is highly resistant to moisture, ensuring reliability in various environmental conditions.

CD74HC85M96E4 Applications

The CD74HC85M96E4 is ideal for applications requiring fast and accurate comparison of 4-bit binary numbers. Some specific use cases include:

• Digital Systems: Used in digital circuits where binary number comparison is necessary, such as in arithmetic and logic units (ALUs) of microprocessors and microcontrollers.
• Control Systems: In control systems where precise comparison of digital signals is required to make decisions, such as in motor control and automation systems.
• Data Processing: Employed in data processing applications where binary data needs to be compared and sorted, such as in memory management and data validation systems.
• Communication Systems: Utilized in communication systems for error detection and correction mechanisms, ensuring data integrity and reliability.

Conclusion of CD74HC85M96E4

The CD74HC85M96E4, despite being marked as obsolete, remains a valuable component for specific applications requiring a reliable 4-bit magnitude comparator. Its high-speed performance, low quiescent current, and wide supply voltage range make it a versatile solution for various digital systems. The surface mount package and compliance with environmental and safety standards further enhance its suitability for modern electronics. For applications where fast and accurate binary number comparison is crucial, the CD74HC85M96E4 stands out as a robust and efficient choice.