PCI express layout guidelines

[bjzhangwn]

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?

 

[Rame]

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