FPGA Central

Grish,
If that stub length is less than 1.5mm, you should not have problems at
5Gb/s.
Nick

-----Original Message-----
From: si-list-bounce (AT) freelists (DOT) org [mailto:si-list-bounce (AT) freelists (DOT) org] On
Behalf Of Girish Gopi
Sent: Saturday, July 11, 2009 4:32 AM
To: si-list (AT) freelists (DOT) org
Subject: [SI-LIST] PCIe routing

Hi all,
I am having the 20 layer pcb with 3MM thickness , using blind vias from 1
to 10 and 11 to 20 layers.Where 2nd layer using for PCIe(5GB/S) routing ,
can I know that the via used for PCIe routing from layer 2 to 10 , will it
be act as a stub ?Is there any issues?

Thanks in advance
Girish
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