Calibre Advanced Topics: Writing PERC Rules

Course Code
Calibre 2021.2
User Level
Pricing ID
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Live In-Person Duration
3 days

Course Overview

Reliability is a growing concern for integrated circuit designers. In response to this growing need, Mentor Graphics has developed Calibre PERC to address reliability challenges that arise during the circuit and electrical verification process. PERC is specifically designed to perform electrostatic discharge (ESD) and multiple power domain checks. Calibre PERC allows you to customize ERC checks at the schematic level as well as geometrical and electrical checks at the layout, which gives you more power and flexibility to handle emerging circuit verification demands for design implementation.

This course will help you understand the wide breadth of problem areas addressed by Calibre PERC, including ESD, advanced ERC, multiple power domains, point-to-point resistance, and current density. The course will help you master the use of this powerful tool and will provide a basic understanding of designing and coding Calibre PERC rule decks. Calibre PERC programming concepts and techniques will be demonstrated through a collection of detailed lecture examples. Students will be able to explore many Calibre PERC concepts through the use of hands-on lab exercises.



  • Some Calibre PERC experience or completion of the Calibre Fundamentals: Working with PERC class
  • Some experience with the Tcl programming language, or completion of the Calibre TVF class
  • Familiarity with IC circuit design
  • Knowledge of typical electrical rule checks

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You will learn how to:

  • Code Calibre control files used with Calibre PERC jobs.
  • Invoke Calibre PERC from the command line and from the interactive GUI.
  • Open Calibre PERC results in Calibre RVE.
  • Use Calibre RVE to highlight PERC results in netlist, schematic, and layout views.
  • Write basic PERC rule decks for performing a variety of supported circuit analysis tasks.
  • Debug Calibre PERC rule decks.