minExtensionToCenterLine

orderedSpacings(
( minExtensionToCenterLine tx_layer1 tx_layer2 
 ['horizontal | 'vertical]
 ['widthRanges (g_ranges)]
 ['otherWidthRanges (g_otherRanges)]
 f_extension 
)

) ;orderedSpacings

(Virtuoso Advanced Node for Layout Standard) Specifies the minimum extension of a shape on layer1, measured from the centerline of a shape on layer2.

In some process nodes, the extension of a shape on a middle-of-line (MOL) layer must be measured from the centerline of a shape on a poly layer.

Values

tx_layer1	The first layer on which the constraint is applied. Type: String (layer and purpose names) or Integer (layer number)
tx_layer2	The second layer on which the constraint is applied. Type: String (layer and purpose names) or Integer (layer number)
f_extension	The minimum required extension.

Parameters

'horizontal | 'vertical
	The direction in which the extension is measured. If direction is not specified, the extension is measured in any direction. Type: Boolean
'widthRanges (g_ranges)
	The constraint applies only if the width of the shape on layer1 is in this range. Type: Floating-point values specifying a range of widths that trigger the constraint
'otherWidthRanges (g_otherRanges)
	The constraint applies only if the width of the shape on layer2 is in this range. Type: Floating-point values specifying a range of widths that trigger the constraint

Examples

• Example 1: minExtensionToCenterLine
• Example 2: minExtensionToCenterLine with horizontal
• Example 3: minExtensionToCenterLine with widthRanges and otherWidthRanges

Example 1: minExtensionToCenterLine

The extension of a shape on layer CB from the centerline of a shape on layer PC must be at least 0.2 in any direction. This example assumes that all CB extensions to the left of the PC centerline are met.

Example 2: minExtensionToCenterLine with horizontal

The extension of a shape on layer CB from the centerline of a shape on layer PC must be at least 0.2 in the horizontal direction. This example assumes that all CB extensions to the left of the PC centerline are met.

Example 3: minExtensionToCenterLine with widthRanges and otherWidthRanges

The extension of a shape on layer CB from the centerline of a shape on layer PC must be at least 0.22 in any direction. The width of the CB shape must be greater than 0.1 and the width of the PC shape must be greater than 0.08. This example assumes that all CB extensions to the left of the PC centerline are met.

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