What differential I/O electrical standards are supported in Cyclone III FPGAs?
Cyclone III FPGAs provide support for LVDS, mini-LVDS, RSDS, and LVPECL. LVDS performance is 840 Mbps for transmit data and 875 Mbps for receive data. On the transmission side, Cyclone III FPGAs do not require an external resistor network to convert the output to the appropriate LVDS swing levels.