Yes, but for such speed you don't need to match better than several mm. Greg
On 31 March 2016 at 13:51, Robert Jördens <r...@m-labs.hk> wrote: > On Thu, Mar 31, 2016 at 8:51 AM, Florent Kermarrec > <flor...@enjoy-digital.fr> wrote: > > When choosing between Artix7 or Kintex7 you also have to consider that > > Artix7 only have HR IOs which mean they don't have ODELAYE2 primitives > and > > we are currently using them in the actual DDR PHY for leveling. > > > > Also when choosing XC7A200T you will stuck to this FPGA on your board > > because the package is different from others Artix7. With Kintex7, in the > > slices range you are targeting, you will have more flexibility: > > - FBG676 (8 transceivers): from XC7K70T to XC7K410T > > - FFG676 (8 transceivers): from XC7K160T to XC7K410T > > - FFG900 (16 transceivers): from XC7K325T to XC7K410T > > ACK. Good to know about the IODELAY in Artix. > I guess the alignment on a.g. http://www.ohwr.org/projects/afc/wiki is > done by trace length matching then, right? > > Robert. > _______________________________________________ > ARTIQ mailing list > https://ssl.serverraum.org/lists/listinfo/artiq >
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