LVDS in cyclone

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Can someone help me with this issue.

I am looking to build a serialer in a FPGA.
Base frequence is 72MHz - 7 bits serialiser - so I need a LVDS frequence of

I thought this wat not possible in a Cyclone device but just reads the app.
note and it seems to be possible.

I have only some strong concerns because there is no timing budget and the
IOB are not DDR IOB blocks.

Does any one has experience with this app. note ?



Re: LVDS in cyclone
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Hi Eduard,

I believe you are referring to app note:

What it says is correct -- Cyclone can do 640 Mb/s LVDS.  More
specifically, the -6 and -7 speed grades are characterized
(guaranteed) to do 640 Mb/s LVDS, while the -8 (slowest) is only
currently characterized for up to 550 Mb/s LVDS.



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