To apply the physical constraint set, simply go to the Physical > Net > All Layers worksheet. Then select a net, net group or
net class, then apply the physical constraint set to that/those nets (as shown below). In our case, AD_DB0.
Exercise: This constraint assignment is unnecessary, so let's delete it by right clicking the original Physical Constraint Set
worksheet (in Physical Constraint Set > All Layers), then choosing the constraint "PCS1", right clicking it, then choosing
Delete. You will be asked if you're sure. Say Yes/Ok. Then you'll be asked if you wish to continue removing the references and
deleting "PCS1"? Choose Yes to All (see below).
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OrCAD X High-Speed Digital Design Guide
