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Toby__5's avatar
Toby__5
Icon for New Contributor rankNew Contributor
2 years ago

Can I connect 3.3V devices to cyclone10GX?

I want to connect an IC with an I/O voltage of 3.3V to cyclone10GX. However, the datasheet says it only supports up to 3V. Does this mean I can't connect directly to 3.3V devices? If you can't conne...
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AqidAyman_Altera's avatar
AqidAyman_Altera
Icon for Regular Contributor rankRegular Contributor
2 years ago

Hi,


For the DC input voltage for Cyclone 10 GX, they supported up to 3.3V for 3V I/O. Pin voltage should not be externally pulled higher than the maximum value.


Please be noted the VCCIO is for the I/O buffers power supply.