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Adventurer
Adventurer
1,167 Views
Registered: ‎02-12-2018

VirtexUltrascale+ : Difference between 2L and 2LV speed-grades

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Hi,

In Vivado under Virtex UltraScale+ device selection, for part xcvu9p-flga2104, I see below speed_grades:

      -2L-e and -2LV-e

I understan "L" denotes low power, but what about "LV".  I couldn't find much information about the differences between these two in the documentation or on the web. Which of these 2 is faster, and by how much?

 

Thanks

 

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Moderator
Moderator
1,323 Views
Registered: ‎08-08-2017

Hi @xilinxmax

 

Yes . your understanding is correct.

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Moderator
Moderator
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Registered: ‎08-08-2017

Hi @xilinxmax

 

Basically these are the same parts with difference in VCCINT voltage.Capture.PNG

The lowest power -2L devices where VCCINT= 0.72V are included in VIVADO as -2LV.

 

Refer to the below forum discussion for more detailing .

https://forums.xilinx.com/t5/UltraScale-Architecture/What-s-the-difference-between-1L-and-1LV/td-p/777190

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Adventurer
Adventurer
1,151 Views
Registered: ‎02-12-2018

Hi,

 

Could you clarify if my understanding is correct.

     2LV - Low power (lesser than -2, -2L), reduced performance

     2L -  Low power (compared to -2, but more than -2LV), better performance compared to 2LV

Is that correct?

 

Thanks

 

 

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Moderator
Moderator
1,324 Views
Registered: ‎08-08-2017

Hi @xilinxmax

 

Yes . your understanding is correct.

----------------------------------------------------------------------------------------------------------------------------------------------

Reply if you have any queries , Give Kudos and accept as solution

-------------------------------------------------------------------------------------------------------------------------------------------

-------------------------------------------------------------------------------------------------------------------------------
Reply if you have any queries, give kudos and accept as solution
-------------------------------------------------------------------------------------------------------------------------------

View solution in original post