ContributionsMost RecentMost LikesSolutionsRe: Timing Constraint for modules Don't know if this is still relevant, but I have a suggestion I have been using a few times: ############################################################################### # Module constraint file (.sdc) ############################################################################### # Get all instances set inst_list [get_entity_instances -nowarn <module_name>] # Run for each instance foreach each_inst $inst_list { # Add your constraints here using $each_inst in the path # Eg.: set ref_clk [get_pins -compatibility_mode $each_inst|<pll_inst_name>|*|core_refclk] } Kind Regards, Rasmus