所需E币: 4
时间: 2020-1-10 10:55
大小: 614.24KB
verysmallBGAWhitePaper:CoolRunner-IICPLDsRWP165(v1.0)September24,2002CoolRunner-IIChipScalePackageDetailsBy:SteveProkoschTheCoolRunner-IICPLDfamilyprovidestwouniqueCSP(ChipScalePackageoptions).XilinxnomenclaturedefinestwotypesofCSP.Theyare:CS―whichreferstoa0.8mmballspacingCP―whichreferstoa0.5mmballspacing.Thesepackagesoffersmallsizeandhighlogicdensityforbothhighperformanceandlowpowerapplications.ThetwoCSPdiscussedinthiswhitepaperaretheCP56andCP132packages.Duetotheirsmallballspacingandassociatedlayoutissues,therearecertaintopicssuchassoldermaskopeningsandescaperoutingconcernswhicharediscussedinthiswhitepaper.2002Xilinx,Inc.Allrightsreserved.AllXilinxtrademarks,registeredt……