Netlist Setup Create Timing Netlist Read SDC File Update Timing Netlist Create Timing Netlist Dialog Box (Timing Analyzer) You open this dialog box by clicking Netlist > Create Timing Netlist in the Timing Analyzer. Read SDC File Command You access this command by double-clicking Read SDC File in the Tasks pane in the Timing Analyzer. Update Timing Netlist Command (Timing Analyzer) You access this command by double-clicking Update Timing Netlist in the Tasks pane in the Timing Analyzer.