Forum Discussion

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

LVDS I/O termination

Is an external 100Ohm resistor required at the input of an LVDS receiver I/O pair for the Cyclone III devices? The literature seems to suggest yes and no. Also, if I have "rx_in" as a single-channel ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Initially, it was not on my either.

Right click on any column,

Select "Customize columns" Add "Termination control Block"

I'm assuming your project is already set to Stratix III. I'm not familiar with other parts so I don't know if the have this option.

Thanks!