NC Pin

The NC Pin DFE rule checks for the NC pin connectivity.

Component pins that are not connected to any net are treated as NC pins. Those NC pins may become good noise antennas. To prevent this problem, designer should do compulsory connect those NC pins to ground.

Figure 1.
  • Item: Input item name.
  • Component Group: Select target component group to check NC pins.
  • Except Pins: Enter exception pins signal name to exclude NC PIN check.
  • Pin Type: Select pin type to check NC pins.