Texas Instruments

CDCU877BZQLR

CDCU877BZQLR Description

The CDCU877BZQLR is a high-performance clock driver IC designed by Texas Instruments, specifically tailored for memory applications utilizing DDR2 technology. This device is equipped with a Phase-Locked Loop (PLL) to ensure precise clock signal generation and distribution. It operates within a supply voltage range of 1.7V to 1.9V, making it suitable for low-power applications. The CDCU877BZQLR features a 1:10 input-to-output ratio, providing a robust solution for applications requiring multiple clock outputs from a single input signal. It supports differential signaling both at the input and output stages, enhancing signal integrity and reducing electromagnetic interference.

CDCU877BZQLR Features

• PLL Integration: The inclusion of a PLL ensures stable and accurate clock signal generation, which is crucial for high-speed memory operations.
• Differential Signaling: Both input and output stages support differential signaling, which minimizes signal degradation and improves overall system performance.
• Low Supply Voltage: Operating within a 1.7V to 1.9V range, this IC is optimized for low-power consumption, making it ideal for energy-efficient designs.
• High Frequency Capability: With a maximum operating frequency of 400MHz, the CDCU877BZQLR can support high-speed memory applications, ensuring reliable performance.
• Surface Mount Packaging: The surface mount technology (SMT) allows for compact and reliable integration into modern PCB designs.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the CDCU877BZQLR is suitable for a range of manufacturing environments, providing flexibility in production processes.

CDCU877BZQLR Applications

The CDCU877BZQLR is ideally suited for applications requiring high-speed clock distribution and synchronization, particularly in DDR2 memory systems. Its differential signaling capabilities make it a reliable choice for environments where signal integrity is paramount. The low supply voltage and high-frequency operation make it suitable for power-sensitive and high-performance computing applications. Specific use cases include:

• Memory Modules: Ideal for DDR2 memory modules where precise clock distribution is essential for reliable data transfer.
• High-Speed Computing: Suitable for high-performance computing systems that require stable and efficient clock distribution.
• Networking Equipment: Can be used in networking devices where high-speed data processing and low-latency communication are critical.

Conclusion of CDCU877BZQLR

The CDCU877BZQLR from Texas Instruments offers a comprehensive solution for high-speed clock distribution in DDR2 memory applications. Its integrated PLL, differential signaling, and low supply voltage make it a reliable and efficient choice for modern electronic designs. Despite being marked as obsolete, the CDCU877BZQLR continues to provide significant performance benefits in applications where its unique features are required. Its compliance with environmental and safety standards further enhances its suitability for a wide range of industrial and commercial applications.