cadence-dracula to assura guide



Comparing Dracula and Assura

Physical Verification Methodology

Hierarchical Rules

Physical Verification Task Flow
Input Files

Assura Run-Specific File (RSF)
Assura Rule Files
Input File Translation

DRC Rules

Unsupported Dracula DRC Rules
Differences in Processing DRC Rules
DRC Rules that Might Require Modification for Proper Translation
Manhattan Layers
Operating on Coincident Edges
Consolidating Dracula Checks

Device Extraction
Parameter Extraction
Netlisting
LVS

Removing Devices with All Three Terminals Tied Together
Using Text for LVS Correspondence Points
Using Text for Connectivity
Using Assura Physical Verification Text Functions
Using WEFFECT

Generating Output

Saving Results
Stream Output
Graphic Error Output
Using EXPORT for GDSII

3

Dracula to Assura Translator

Running the Dracula to Assura Translator

dracToAssura Syntax

Dracula-to-Assura Physical Verification Rule Cross-Reference Tables

4

Master Key Capability

Overview
Master Key License Decision Tree

The ASSURA_MASTER_KEY Environment Variable Is Set
The Dracula Product License Exists
The Assura Product License Exists

Flow Diagram: Master Key for a Dracula DRC Run