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PXA3xx Design Guide - Marvell

PXA3xx Design Guide - Marvell

PXA3xx Design Guide - Marvell

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<strong>PXA3xx</strong> Processor Family<strong>Design</strong> <strong>Guide</strong>Table 6:VCC_MEM (DDR DRAM) Decoupling Recommendations (Continued)Device Recommendation NotesMotherboard Plane Common VSS, but separate VCC Thick VCC trace is OK, but inductance guidelinesshould be metMotherboard LoopInductanceDecoupling CapacitorsVia Structure forDecoupling CapacitorDistance betweenDecoupling Capacitorand packageVia structure forball-to-plane connectionLoop inductance

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