Product Documentation
Virtuoso Technology Data ASCII Files Reference
Product Version IC23.1, June 2023


Contents

1

The ASCII Technology File

Introduction to the ASCII Technology File

Technology File Structure

Syntactical Guidelines for an ASCII Technology File

2

Technology File Statements

include

comment

3

Technology File Controls

controls

processNode

techVersion

techParams

distanceMeasure

viewTypeUnits

mfgGridResolution

refTechLibs

processFamily

fabricType

4

Technology File Layer Definitions

layerDefinitions

techLayers

techPurposes

techLayerPurposePriorities

techDisplays

techLayerProperties

techDerivedLayers

Purpose-Aware–Derived Layers
Sizing-Derived Layers
Area-Restricted Derived Layers
Color-Derived Layers
Two-Layer–Derived Layers

LPP Validity

LPP Validity Attributes

5

Technology File Layer Attributes

layerRules

analysisAttributeLocks

equivalentLayers

incompatibleLayers

functions

backsideLayers

analysisAttributes

mfgResolutions

routingDirections

snapPatternDefs

relatedSnapPatterns

widthSpacingPatterns

widthSpacingPatternGroups

widthSpacingSnapPatternDefs

Current Density and Current Density Tables

peakACCurrentDensity

avgACCurrentDensity

rmsACCurrentDensity

avgDCCurrentDensity

stampLabelLayers

labelLayers

cutClasses

6

Technology File Site Definitions

siteDefs

scalarSiteDefs

arraySiteDefs

7

Technology File Via Definitions and Via Specifications

viaDefs

standardViaDefs

customViaDefs

standardViaVariants

customViaVariants

cdsFixedViaDefs

cdsGenViaDefs

cdsGenViaVariants

viaSpecs

8

Technology File Devices

devices

tcCreateDeviceClass

tcDeclareDevice

tcDeleteDevice

tfcDefineDeviceProp

tcCreateCDSDeviceClass

cdsViaDevice

ruleContactDevice

multipartPathTemplates

waveguideTemplates

extractMOS

extractRES

extractCAP

extractDIODE

9

Technology File LSW Layer Specifications

leRules

leLswLayers

10

Technology File Packaging Definitions

packaging

fingerDefinitions

wireProfiles

wireProfileGroups

11

Display Resource File

drDefineDisplay

drDefineColor

drDefineStipple

drDefineLineStyle

drDefinePacket

drDefinePacketAlias


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