标签: memories

FIFOMemories-SolutiontoReduceFIFOMetastability(ti)

TestingFlashMemories

SignalIntegrityandPCBlayoutconsiderationsforDDR2-800MbsandDDR3MemoriesSignalIntegrityandPCBlayoutconsiderationsforDDR2-800Mb/sandDDR3MemoriesFidusSystemsInc.900,MorrisonDrive,Ottawa,Ontario,K2H8K7,CanadaChrisBrennan,CristianTudor,EricSchroeter,HeikeWunschmann,andSyedBokhariSession#8.13AbstractThepaperaddressesthechallengeofmeetingSignalIntegrity(SI)andPowerIntegrity(PI)requirementsofPrintedCircuitBoards(PCBs)containingDoubleDataRate2(DDR2)memories.TheemphasisisonlowlayercountPCBs,typically4-6layersusingconventionaltechnology.Somedesignguidelineshavebeenprovided.1.IntroductionDDR2usageiscommontodaywithapushtowardshigherspeedssuchas800Mbps[1]andmorerecently,1066Mbps.DDR3[2]targetsadatarateof1600Mbps.FromaPCBimplementationstandpoint,apri……