Altera Quartus II Scripting - Manual (Page 465)

Chapter 3: Tcl Packages & Commands 3–335
sdc_ext
© July 2013 Altera Corporation Quartus II Scripting Reference Manual
reset_timing_derate
Usage
reset_timing_derate
Options
None
Description
Resets all derate factors set on the design.
Example
# set timing derate
set_timing_derate -late 0.2 [get_cells *]
update_timing_netlist
# reset all derate factors
reset_timing_derate
update_timing_netlist