5.7.5. LVDS Input RD OCT in Stratix V Devices
The Stratix® V devices support RD OCT in all I/O banks.
You can only use RD OCT if you set the VCCPD to 2.5 V.
The Stratix® V devices support OCT for differential LVDS input buffers with a nominal resistance value of 100 Ω, as shown in this figure.