Rambus has introduced a new DDR5 Client Clock Driver (CKD) designed for CUDIMM and CSODIMM memory modules, supporting speeds up to 7200MT/s. This high-bandwidth solution is set to power next-generation desktop and laptop platforms, enabling enhanced performance for AI, gaming, and content creation.
The Rambus CKD and SPD Hub chipset solutions offer flexibility and efficiency in clock management. In single PLL mode, the CKD receives one clock signal, while in dual PLL mode, it can handle two clock inputs, driving up to four high-precision output clocks. This design is highly configurable through its I2C and I3C interfaces, buffered by the SPD Hub.
A key advantage of the Rambus DDR5 CKD is its ultra-low jitter, which enhances system timing margins and ensures stable, high-speed performance. This is crucial for achieving the high data rates required in modern computing. Other benefits include greater clock amplitude for increased voltage margins on DRAM, potential power savings by eliminating redundant clocks in the CPU, and easier PCB routing. The CKD also features a low-power standby mode, ideal for laptops, and a dual-channel PLL mode for optimized system performance.
The CUDIMM concept is similar to RDIMM, but focuses on buffering clock signals, making it an efficient solution for client systems.
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