Forum Discussion
ContributorArial10 VCCT_GXB and VCCR_GXB Voltage should be 1.03V for PCIe 3.0?
Hello ,
Answer to your first question : Yes , data rate in datasheet is for each late , here is the Intel Arria 10 transceiver phy guide: Section "Transceiver PHY Architecture Overview"
here is the link for your reference
Answer to your second questions , Yes , you can very well use as long as power consumption is not concern for your application. Keeping at 1.03 V also help to upgrade the data rate in future as per datasheet.
Thank you ,
ContributorHi sree
I guess the "Data rate" in this Intel datasheet means for EACH trasceiver lane?? Also, I think it is also ok for chi-to-chip to use 1.03V even if the data rate is lower than 11.3Gbps as long as power consumption is acceptable.
In our application, we have PCIe3.0 x4 for Board-to-Board connection ( chip to PC-module, 8Gbps per lane, total 32Gbps). And we also have chip-to-chip connection of x10 transceiver lanes on one Board, with 8Gbps per lane, total 80Gbps for now, and possibly upgrade to higer data rate in future.
I think we CAN use 0.95V for NOW. But since power consumption is not a concern, we better use 1.03V. How do you think? Thanks a lot!
