2.6.1 Deriving Constraints

To derive constraints, perform the following steps:

  1. Double-click Manage Constraints on the Design Flow tab.
  2. In the Manage Constraints window, select the Timing tab, and click Derive Constraints, as shown in the following figure.
    Figure 2-26. Derive Constraints Button

    The design hierarchy is built, and the top_derived_contraints.sdc file is generated in the project folder.

    In the dialog box that appears, click Yes to associate the SDC file to the Synthesis, Place and Route, and Timing Verification tools, as shown in the following figure.

    Figure 2-27. Derived Constraints
  3. Click Save the project.