Texas Instruments

CDCU2A877ZQLR

CDCU2A877ZQLR Description

The CDCU2A877ZQLR is a high-performance clock driver IC designed by Texas Instruments, specifically tailored for memory applications utilizing DDR2 technology. This device is engineered to provide reliable and efficient clock distribution, ensuring precise timing and synchronization in various electronic systems. The CDCU2A877ZQLR operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and commercial applications. It features a 1:10 input-to-output ratio, supporting differential signaling on both input and output, which enhances signal integrity and reduces electromagnetic interference (EMI).

CDCU2A877ZQLR Features

• Memory Focused: Designed primarily for DDR2 memory applications, ensuring optimal performance in memory-intensive systems.
• Differential Signaling: Supports differential signaling on both input and output, which minimizes signal degradation and improves overall system performance.
• PLL Integration: Equipped with a Phase-Locked Loop (PLL), the CDCU2A877ZQLR can generate multiple output frequencies from a single input clock, providing flexibility in clock distribution.
• Wide Voltage Range: Operates within a supply voltage range of 1.7V to 1.9V, offering compatibility with various power supply configurations.
• High Frequency Capability: Capable of operating up to a maximum frequency of 410MHz, making it suitable for high-speed memory systems.
• Surface Mount Technology: Utilizes surface mount packaging, which enhances board density and reliability, particularly in automated assembly processes.
• Compliance and Safety: Compliant with REACH and ROHS3 standards, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 2 (1 Year) classification ensures robustness against moisture, extending the component's shelf life and reliability in various environmental conditions.

CDCU2A877ZQLR Applications

The CDCU2A877ZQLR is ideal for applications requiring precise clock distribution and synchronization, particularly in DDR2 memory systems. Its high-frequency capability and differential signaling make it suitable for high-speed memory applications in computers, servers, and other memory-intensive electronic devices. The PLL feature allows for flexible clock generation, making it adaptable to various system architectures. Its surface mount packaging and compliance with industry standards ensure ease of integration and long-term reliability.

Conclusion of CDCU2A877ZQLR

The CDCU2A877ZQLR from Texas Instruments stands out as a robust and versatile clock driver IC, specifically designed for DDR2 memory applications. Its differential signaling, PLL integration, and high-frequency performance make it a reliable choice for high-speed memory systems. Although marked as obsolete, the CDCU2A877ZQLR remains a valuable component for legacy systems and applications where its unique features and performance benefits are still highly relevant.