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Altera_Forum's avatar
Altera_Forum
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16 years ago

Cyclone III LVDS

I'm designing with LVDS for the first time and want to make sure I don't overlook something simple. It looks like 2.5V VCCIO is mandatory. The EP3C5 pinout document tells me which pins can be LVDS....
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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You should consider the fact, that the Cyclone III I/O rules require a distance between single ended and differential (LVDS) pins.

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How about differential clock output and differential data input ?Is there also need some distance?