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Contents

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1

Virtuoso Multi-Patterning Technology

Multi-Patterning Support in Virtuoso

Prerequisites for Virtuoso Multi-Patterning Technology

Number of Masks Per Layer

Same-Mask and Diff-Mask Spacing Constraints

Coloring Purpose Specification

Example of ASCII Technology File Data for MPT

2

MPT Design Environment Customization

Enabling the Multiple Patterning Color Engine

Coloring Method

Setting a Coloring Method

Global Coloring Method

Layer Coloring Method

Getting the Coloring Method

Modifying the Default Multi-Patterning Environment Variable Settings

Customizing Displayed Coloring

Colored Shapes Display

Example

3

Net-Based Pre-Coloring Flow

Identifying the Critical Nets

Pre-Coloring Constraints

Updating Layout Constraints

Same Mask Pre-Coloring

4

Coloring in Layout

Color Representations

Visibility and Selectability of Colored Data

Colored Data Inspection

Methods to Change Color of Existing Shapes

Color Locking

Color Attribute Locking

Hierarchical Color Locking

Color Locking on Connected Shapes

Color Locking Support for Synchronous Clones

Hierarchical Color Locks on Pcells

Color Shifting

Pre-defined Setup Driven MPT Flows

Multiple Patterning Toolbar

Using the Multiple Patterning Workspace

Active Multiple Patterning Toolbar Command

Turning the Multiple Patterning Color Engine On and Off

Showing and Hiding Color

Updating Layer Default Color

Shifting Colors

Color Shift Locked Shapes

Recolor Selected Colors

Locking and Unlocking Colors

Removing Color from Shapes

Stitch and UnStitch

Converting Markers to Mask Colors

Check Colors

Hierarchical Color Locking Check

Checking Violations

Methodology Compliance

View the Last Operation Status

Probe Color Source

Marking Color Info

Mark Variant Cells

Mark doNotColor Cells

Coloring Methods

Hierarchical Coloring of Connected Shapes

Automatic Color Shifting

Color Shifting for Cells

Track-Based Coloring

Colored Shapes that Overlap Colored Tracks

Assign Track Patterns to Nets

Migrate from the Multiple Patterning Assistant

5

Multiple Patterning Violations

Types of Color Checks

Methods to Check Multiple Patterning Violations

Color-Aware DRD Edit

Pegasus Interactive

Using the Annotation Browser to View Multiple Patterning Violations

Methods to Fix Multiple Patterning Violations

Stitch Constraints

Creating Stitches

Removing Stitches

Methods to Verify the Consistency of Color Assignments

Virtuoso Coloring Check

LVS Coloring Check

Checking CDF Color and Net Color Constraint

6

MPT Import and Export

Export Stream Files with Coloring

Import Stream Files with Coloring

Layer Map File Enhancements for Colored Data

Types of Colors

Export and Import Data with Stitches

XStream Warning Messages

Layer-Purpose Pair to Color Data

Merge Layer-Purpose Pairs on Two Layers (2-to-1)

Merge Multiple Layer-Purposes on One Layer (1-to-1)

Transform Shapes on Specified Purposes to Colored Blockages

Color Data Migration

Convert Colored Data to Be Editable in Earlier Releases

mptScan Utility

7

Fully Colored Backannotation Flow

Enhancements in the Layer Map File Format

colorAnnotate Utility

A

MPT Environment Variables

allowLockShiftOverride

autoPropagateLock

checkHCLOverUnlock

colorCDFCheck

colorCDFParamPrefix

colorConstFileColorAName

colorConstFileColorBName

colorConstFileName

coloredPurposeTypes

coloringEngineEnabled

coloringFilterSize

colorShiftingLayers

complianceCheckerLimit

complianceCheckerReport

defaultColoringMethod

deleteConnectedShapes

displayMaskColor

displayMaskColorExcludeViaLayers

displayMaskColorMode

displaySystemColor

dontColorPCells

drawSurroundingOn

enableHCLCreation

enableHCLCreationOnPcells

enableMarkersToMaskColors

enforceWSPColor

explicitColoredPurposes

extractorStopLevel

forcePcellRecolorOnEval

forceRandomOnLayerType

globalColorShiftingPolicy

globalColorShiftingPolicyForPcells

hideStitchingTools

layerDefaultColorConsiderGrayAsColor

lockAllHCLPolicy

mergeColoredPacket

mptConstraintGroup

onlyCheckActiveWSP

overrideLockOnConnectedShapes

propagateLocksToConnectedShapes

propagateAnySameMaskState

pvsDeckFile

pvsLayerMapFile

reColorGUIScope

reColorReadOnlyCellView

shiftCutColorFromToolbarButton

showCDFchecks

trackColoringOnlySnappedShapes

unclusteredShapeColor

updateColorOnActivate

copyMPAttributes

B

MPT SKILL Functions

Virtuoso Studio Design Environment SKILL Functions for MPT

Virtuoso Technology Database SKILL Functions for MPT

Virtuoso Layout Suite L Palette Assistant SKILL Functions for MPT

C

MPT Forms Reference

Color Checks

Delete All Colors

Export Color Constraint File

Mark Color Information

Markers To Mask Colors

Multiple Patterning Layer Default Color

Multiple Patterning Options

Recolor

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