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Altera_Forum
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19 years ago

Interfacing Cyclone III to a 1.8V LVDS device

Hi, How can I interface the Cyclone III to a 1.8V ADC that has 1.8V LVDS outputs? Should I design a PCB for the 2.5V LVDS standard or should I design the PCB with a bank voltage of 1.8V but ins...
Altera_Forum's avatar
Altera_Forum
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18 years ago

I would use a VCCIO of 1.8V and assign the IOs as LVDS in Quartus (or maybe even 1.8V differential).

(I've done the same thing with LVDS and a 3.3V VCCIO and it worked)

...no guarantees.