Texas Instruments

CD74HC688M96  

Linear Comparators

CD74HC688M96 Description

The CD74HC688M96 is an 8-bit identity comparator designed by Texas Instruments, part of the renowned 74HC series. This device is specifically engineered to compare two 8-bit binary words and provide a match indication when the inputs are identical. The CD74HC688M96 operates within a wide supply voltage range of 2V to 6V, ensuring compatibility with various power supply configurations. It features a maximum propagation delay of 29ns at 6V and 50pF making, it suitable for high-speed applications. The device also boasts a low quiescent current of 8 µA, which is ideal for power-sensitive designs.

The CD74HC688M96 is packaged in a 20-lead SOIC (Small Outline Integrated Circuit) format, which is suitable for surface-mount applications. This packaging type ensures ease of integration into modern printed circuit boards (PCBs) and supports automated assembly processes. The device is RoHS3 compliant and REACH unaffected, adhering to stringent environmental and safety standards.

CD74HC688M96 Features

• High-Speed Performance: With a maximum propagation delay of 29ns at 6V and 50pF, the CD74HC688M96 ensures rapid signal processing and comparison, making it ideal for applications requiring quick decision-making.
• Low Power Consumption: The device maintains a low quiescent current of 8 µA, which is beneficial for battery-operated or low-power systems.
• Wide Operating Voltage Range: The CD74HC688M96 operates within a supply voltage range of 2V to 6V, providing flexibility in power supply design.
• Active Low Output: The output function is active low, which is useful for interfacing with other digital circuits and simplifying logic design.
• 8-Bit Comparison: The ability to compare 8-bit binary words allows for versatile applications in digital systems, such as memory management and data validation.
• Surface-Mount Compatibility: The 20-lead SOIC package is suitable for surface-mount technology (SMT), facilitating integration into compact and high-density PCB designs.
• Environmental Compliance: The device is RoHS3 compliant and REACH unaffected, ensuring it meets environmental and safety standards.
• High Output Current Capability: The CD74HC688M96 can source and sink up to 5.2mA, providing robust output drive capabilities.
• Unlimited Moisture Sensitivity Level (MSL): The device has an MSL of 1 (unlimited), making it suitable for storage and handling in various environments without the need for special precautions.

CD74HC688M96 Applications

The CD74HC688M96 is well-suited for a variety of applications where fast and accurate 8-bit comparison is required. Some specific use cases include:

• Memory Management: Used in memory systems to compare address lines or data words, ensuring data integrity and efficient memory access.
• Data Validation: Ideal for systems that require validation of data streams, such as in communication protocols or data transfer applications.
• Microcontroller Interfaces: Facilitates the comparison of data between microcontrollers and peripheral devices, enhancing system reliability.
• Digital Signal Processing: Useful in digital signal processing applications where rapid comparison of binary data is necessary.
• Automotive Electronics: Suitable for automotive applications where high-speed and reliable data comparison is crucial for safety and performance.
• Industrial Automation: Employed in industrial control systems for comparing sensor data or control signals, ensuring precise control and monitoring.

Conclusion of CD74HC688M96

The CD74HC688M96 from Texas Instruments is a highly versatile and efficient 8-bit identity comparator. Its combination of high-speed performance, low power consumption, and wide operating voltage range makes it an excellent choice for a variety of digital applications. The device's surface-mount compatibility and environmental compliance further enhance its appeal for modern electronics design. Whether used in memory management, data validation, or other digital systems, the CD74HC688M96 provides reliable and efficient performance, making it a standout choice in its category.

CD74HC688M96 Documents

Download datasheets and manufacturer documentation for CD74HC688M96

PCN Assembly/Origin :

Multiple Changes 29/Dec/2021      

Datasheets :

CD54,74HC(T)688      

HTML Datasheet :

CD54,74HC(T)688      

PCN Design/Specification :

CDx4HC(T) 19/Oct/2022