Texas Instruments

CDCU877ZQLT

CDCU877ZQLT Description

The CDCU877ZQLT is an Application Specific Clock/Timing IC designed by Texas Instruments, primarily for memory applications utilizing DDR2 technology. This IC is housed in a 52-BGA package and is intended for surface mount applications. It features a 1:10 input-to-output ratio, supporting differential signaling on both input and output, which ensures high signal integrity and minimal interference. The CDCU877ZQLT operates within a supply voltage range of 1.7V to 1.9V and is capable of achieving a maximum frequency of 400MHz. It includes a Phase-Locked Loop (PLL) for precise clock generation and synchronization. Despite its obsolescence, the CDCU877ZQLT remains a reliable choice for specific applications due to its robust performance and compliance with industry standards such as REACH and RoHS3.

CDCU877ZQLT Features

• Memory Optimization: Specifically designed for DDR2 memory applications, the CDCU877ZQLT ensures efficient and reliable clock distribution.
• Differential Signaling: Supports differential signaling on both input and output, which reduces electromagnetic interference and improves signal quality.
• PLL Integration: The inclusion of a PLL ensures precise clock generation and synchronization, crucial for high-speed memory operations.
• Wide Voltage Range: Operates within a supply voltage range of 1.7V to 1.9V, providing flexibility in power supply design.
• High Frequency Capability: Capable of operating at a maximum frequency of 400MHz, suitable for demanding memory applications.
• Surface Mount Compatibility: Designed for surface mount applications, making it ideal for compact and high-density PCB designs.
• Compliance and Safety: Compliant with REACH and RoHS3 standards, ensuring environmental safety and regulatory adherence.
• Packaging: Available in a Tape & Reel (TR) package, facilitating efficient handling and assembly in manufacturing processes.

CDCU877ZQLT Applications

The CDCU877ZQLT is ideally suited for applications requiring high-speed clock distribution and synchronization, particularly in DDR2 memory systems. Its differential signaling and PLL capabilities make it a reliable choice for memory modules, servers, and high-performance computing systems. The IC's ability to operate at a maximum frequency of 400MHz ensures it can handle demanding memory operations with precision. Its surface mount design and compatibility with industry standards make it a versatile component for a variety of electronic devices.

Conclusion of CDCU877ZQLT

The CDCU877ZQLT, despite being an obsolete model, continues to offer significant advantages for specific applications in the electronics industry. Its robust performance, differential signaling, and PLL integration make it a reliable choice for DDR2 memory applications. The IC's compliance with REACH and RoHS3 standards ensures it meets environmental and regulatory requirements. While newer alternatives may exist, the CDCU877ZQLT remains a valuable component for legacy systems and specialized applications where its unique features are essential.