Using Calibre with DESIGNrev

Student Workbook

May 2006

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Trademark Information

TM-iv

TABLE OF CONTENTS

Table of Contents

Trademark Information .......................................................................................iii

About This Training Workbook ........................................................................xix

Audience .............................................................................................................xixPrerequisite Knowledge ......................................................................................xixDESIGNrev as a Background Process .................................................................xxSlide Numbers in the Workbook .........................................................................xxCustom Class Lab Numbering .............................................................................xx

Module 1

Introduction .........................................................................................................1-1

Objectives ...........................................................................................................1-1Course Objectives ...............................................................................................1-2Course Schedule .................................................................................................1-4Objectives for This Module ................................................................................1-5What Flows Include Calibre? .............................................................................1-6IC Design and Layout Verification Flow ...........................................................1-7Layout Verification Process Flow for DRC .......................................................1-8Layout Verification Process Flow for LVS ........................................................1-9Mask Manipulation Process Flow ....................................................................1-10What are the Various Calibre Tools? ................................................................1-11Useful Abbreviations ........................................................................................1-12What is the Difference Between Hierarchical and Flat? (and Why Should I Care?) ................................................................................1-13What are I/Os for DRC and LVS? ....................................................................1-14What are the Various I/O Formats? ..................................................................1-15Methods for Invoking Calibre Tools ................................................................1-16What is Calibre DESIGNrev? ...........................................................................1-17How to Invoke Calibre DESIGNrev calibredrv ............................................1-18How to Find Help .............................................................................................1-19

Using Calibre with DESIGNrev vJune 2004

TABLE OF CONTENTS (Cont.)

Table of Contents

What is the Command Line Format? ................................................................1-20Lab Information ................................................................................................1-21Lab: Introduction to Calibre .............................................................................1-22

Exercise 1-1: Invoke DESIGNREV ................................................................................... 1-25Exercise 1-2: Launch Calibre DRC and LVS Interactive ................................................... 1-28Exercise 1-3: View a Discrepancy with Calibre RVE ........................................................ 1-38Exercise 1-4: Get Help ........................................................................................................ 1-41Exercise 1-5: Experiment with DESIGNrev ....................................................................... 1-45

Module 2

Calibre Rules 101: The SVRF ............................................................................2-1

Objectives ...........................................................................................................2-1What Does the SVRF Do? ..................................................................................2-2What is the Syntax for Rule Statements? ...........................................................2-3What about Case Sensitivity? .............................................................................2-5Is Rule Order Important? ....................................................................................2-6What are Conditional Rules? ..............................................................................2-7How to use Conditional Rules ............................................................................2-8Rule Efficiency ...................................................................................................2-9Unique Features Example .................................................................................2-10Data Reduction Example ..................................................................................2-11Combining Data Reduction and Unique Features Example .............................2-12Including Other Rule Files ................................................................................2-13What Does it Mean that Calibre is an Edge-Based Tool? .............................2-14Why Does Calibre Only Highlight Part of an Edge? ........................................2-15What are Typical DRC Rules? .........................................................................2-16Width Checks ....................................................................................................2-17Interior-Facing Edge Checks ............................................................................2-18Overlap Checks .................................................................................................2-19Exterior-Facing Edge Checks ...........................................................................2-20External Checks ................................................................................................2-21Enclosure and Extension Checks ......................................................................2-22Examples of Enclosure Checks ........................................................................2-23

Using Calibre with DESIGNrevviJune 2004

TABLE OF CONTENTS (Cont.)

Table of Contents

What are Typical LVS Rules? ..........................................................................2-24Fundamental Ideas of Device Recognition .......................................................2-25Built-In Device Definitions ..............................................................................2-26CMOS Device Example ...................................................................................2-27What Other Types of Rules are There? ............................................................2-28Lab Information ................................................................................................2-29Lab: Calibre Rules 101 ....................................................................................