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This paper describes global clock distribution architecture of Intel® Core™ i7/i5/i3 microprocessor family. Highlight of this paper is a pseudo-recombinant clock distribution architecture successfully implemented in 32nm/45nm generation of Core™ i7/i5/i3 processors. This clock distribution topology achieves less than 10ps clock skew while consuming a maximum power of 1 Watt across entire operating...
This paper describes the next generation Intelreg 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 Intelreg QuickPath interconnect and Intelreg QuickPath memory controller clock generation,...
This paper purposes a bus architecture called skewed repeater bus (SRB) for reducing on-chip interconnect energy in microprocessors. By introducing a dynamic relative delay between neighboring bus lines, SRB reduces both average and worst-case coupling capacitance between those lines. SRB is compared to previously published techniques like delayed data bus (DDB) and delayed clock bus (DCB). Simulation...
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