Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Cyclone IV E LVDS output voltage

Two questions: 1. According to Cyclone IV E handbook, the LVDS output level is 2.5V. So if a 3.3V is supplied to an I/O bank VCCIO, all the differential I/O pairs located in this bank can not c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Up to medium speeds, a pseudo-differential 3.3V ouput, level-matched by a resistor network may be an option.