Next generation Intel® micro-architecture (Nehalem) clocking architecture

This paper describes the next generation Intel
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micro-architecture (Nehalem) 45 nm IA processorpsilas core and I/O clocking architecture. Among the highlights are: configurable clocking, fastlock low-skew PLLs, high reference clock frequencies, analog supply tracking system, adaptive frequency clocking, low jitter Intel
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QuickPath interconnect and Intel
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QuickPath memory controller clock generation, and jitter-attenuating DLLs.