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Altera_Forum
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16 years ago

Cyclone III I/O Standards Voltage Compatibility

Can I interface devices that support the same I/O standard but different voltage levels with my Cyclone III device? For example, can I drive a DAC that uses 3.3 V LVDS with 2.5 V LVDS and 3.3 V CMOS with 2.5 V CMOS?

Thanks

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