Oct 20, 2007 #1 B bjzhangwn Member level 1 Joined Aug 9, 2004 Messages 37 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 306 Do anybody have the doc about the pci express layout guideline,because the differential line constraint is very strict,and I don't know how the make the pair be coupled when the line is under the BGA pad?
Do anybody have the doc about the pci express layout guideline,because the differential line constraint is very strict,and I don't know how the make the pair be coupled when the line is under the BGA pad?
Oct 22, 2007 #2 R Rame Full Member level 6 Joined Dec 23, 2005 Messages 373 Helped 47 Reputation 94 Reaction score 7 Trophy points 1,298 Location BANGALORE Activity points 3,810 Re: pci express layout Hi, Check this links for reference, **broken link removed** https://www.intel.com/technology/pciexpress/downloads/PCI_EI_PCB_Guidelines.pdf Regards, Ramesh
Re: pci express layout Hi, Check this links for reference, **broken link removed** https://www.intel.com/technology/pciexpress/downloads/PCI_EI_PCB_Guidelines.pdf Regards, Ramesh