
This topic provides a high-level overview of the new features in the IC23.1 release.
IC23.1 ISR3
allowedLengthRanges
(Virtuoso Advanced Node Option for GAA and Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: endToEndGapRanges and otherEndToEndGapRanges.
cpodeGroup
(Virtuoso Layout Suite EXL and higher tiers) Specifies that the maximum CPODE shapes with PRL greater than or equal to the value specified in the g_parallelRunLength parameter and within the g_parallelWithin parameter forms a CPODE group.
cpodeGroupSpacing
(Virtuoso Layout Suite EXL and higher tiers) Specifies the required spacing between two CPODE groups with at least one of the groups having the number of shapes greater than or equal to the value specified in the numCpode parameter.
endOfLineKeepout
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added: eolSideExtensionRange.
forbiddenSpacingRanges
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: firstRectOnly, firstExceptRectOnly, secondRectOnly, secondExceptRectOnly, firstExactEqual, firstLessThan, secondExactEqual, and secondLessThan.
forbiddenSpanLength
(Virtuoso Layout Suite EXL and higher tiers) Defines a span length that is not allowed in the 'edgeDirection parameter.
minViaSpacing (One layer)
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: ignoreRegion and abutRegion.
maxViaStack
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added: areaRatio.
IC23.1 ISR2
allowedCutClass
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: lowerMask and upperMask.
endOfLineKeepout
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: otherEol and dualEolSpacing.
forbiddenSpacingRanges
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: orthogonalNonEol and secondNonEol.
minEndOfLineEdgeExtension
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added includeEdgeAligned.
minNumCut
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added distanceMeasureType.
minQuadrupleExtension
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added exceptMetalOverlap.
maxViaStack
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added exceptMaxArea.
viaEdgeType
(Virtuoso Layout Suite EXL and higher tiers) The following new parameter has been added exceptSpacingRange.
viaSpacing
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: prl, prlHorizontal | prlVertical, anyCut, and exceptSameMetalOverlap.
IC23.1 ISR1
allowedJogWidths
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: insideLayers, insidePurposes, outsideLayers,and outsidePurposes.
minNeighborVoltageSpacing (One layer)
(Virtuoso Layout Suite EXL and higher tiers) Specifies the spacing based on a neighboring shape that meets the delta voltage condition.
minNeighborVoltageSpacing (Two layers)
(Virtuoso Layout Suite EXL and higher tiers) Specifies the spacing between two shapes, the meets the delta voltage condition, based on a neighboring shape.
minViaSpacing (One layer)
(Virtuoso Layout Suite EXL and higher tiers) The following new parameters have been added: fixedCutClassList and otherFixedCutClassList.