Texas Instruments

CDCR83DBQR

CDCR83DBQR Description

The CDCR83DBQR is a high-performance clock generator IC designed by Texas Instruments, specifically tailored for applications requiring reliable and efficient memory clocking solutions. This device is part of the CDCR83 family and is housed in a 24-QSOP package, making it suitable for surface mount applications. The CDCR83DBQR is designed to generate clocks for RDRAM (Rambus Dynamic Random Access Memory) systems, ensuring precise timing and synchronization.

CDCR83DBQR Features

• Main Purpose: The primary function of the CDCR83DBQR is to serve as a memory clock generator for RDRAM systems. It provides a stable and accurate clock signal essential for high-speed memory operations.
• PLL Capability: Equipped with a Phase-Locked Loop (PLL), the CDCR83DBQR ensures precise clock generation and synchronization, minimizing jitter and phase noise.
• Input and Output Specifications: The device supports TTL input and differential output, offering a 1:1 input-to-output ratio. This configuration ensures efficient signal transmission and compatibility with various memory modules.
• Supply Voltage Range: The CDCR83DBQR operates within a supply voltage range of 3.135V to 3.465V, providing flexibility in power supply design.
• Maximum Frequency: Capable of operating at a maximum frequency of 400MHz, the CDCR83DBQR meets the demanding requirements of high-speed memory systems.
• Compliance and Standards: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also carries an ECCN classification of EAR99.
• Packaging and Mounting: The CDCR83DBQR is available in a Tape & Reel (TR) package, making it suitable for automated surface mount assembly processes.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the device is protected against moisture, ensuring reliability during storage and assembly.

CDCR83DBQR Applications

The CDCR83DBQR is ideal for applications that require precise and efficient clock generation for RDRAM systems. Some specific use cases include:

• High-Speed Memory Systems: Ideal for generating clock signals in high-speed RDRAM systems, ensuring reliable and synchronized memory operations.
• Networking Equipment: Suitable for networking devices that require precise clocking for memory modules, enhancing overall system performance.
• Data Storage Devices: Can be used in data storage systems where accurate clocking is crucial for maintaining data integrity and system reliability.
• Industrial Control Systems: Provides robust clocking solutions for industrial control systems that rely on high-speed memory operations.

Conclusion of CDCR83DBQR

The CDCR83DBQR from Texas Instruments is a versatile and reliable clock generator IC designed for RDRAM systems. Its unique features, including a PLL for precise clock generation, TTL input, and differential output, make it an excellent choice for high-speed memory applications. With its compliance to environmental and safety standards, and its robust packaging and moisture sensitivity level, the CDCR83DBQR ensures reliability and performance in various industrial and networking applications. While it is not recommended for new designs, the CDCR83DBQR remains a valuable component for existing systems requiring high-performance memory clocking solutions.