The Design Rule Checker Pro is a batch clearance checking tool for user checking of completed or in-progress designs, to produce precision accuracy down to fractions of a micron.

* Design Checker Lite version (DRCL) is a 2D clearance checker that shares most of its features with DRC Pro, except it is limited to standard EPD entities and non-hierarchical rules. 

*CDS also offers an Advanced DRC product for more complex and custom rule checking. It also includes a library of Pre-defined packaging rules for Manufacturing and Assembly rule checking. See the Advanced DRC Module. 

Key Features:

• Each error pointer also contains the error information for easy viewing. Areas for defining errors include: board edge, component outline, bond wires, ground-plane edge, pads, all SMT terminal types, traces, through vias, blind vias, holes, mounting holes, dielectric, silk screen, and user definable entities.

• You begin by selecting the nets and layers you want DRC Pro to check. You may choose all of your nets, classes of nets, or a single net or between selected nets. Rules may be set between classes to check with all layers, selected layers or layer-to-layer configuration.

• After selecting nets and layers, you set clearance rules from any object to any other object and specify a minimum clearance to check. Many rule sets may be made and stored in the same layout and run simultaneously. Errors may be marked as acceptable and may be masked or unmasked. A list of all rules and errors may be printed out.  Rules may be set as “same net”, otherwise violations between a net and itself are ignored. 

• Unlimited custom entity-to-entity checking.
  

• Save custom DRC settings in a file.
  

• View and automatically zoom to errors for correction.
  

• The Ignore Errors Less Than feature screens out insignificant minute errors not worth reviewing.
  

• Hierarchical rule setting.
  

• DRC rule value settings are stored in drawing database.
  

• Rules may be set to check clearance between any two entities on the PCB.

• Unlimited configuration of net-to-net and layer-to-layer checking.
  

• By grouping nets of different voltage potentials into classes, class-to-class rules may be set up for each voltage differential to enable checking of complex high-voltage power supplies.