Definition

Defines parameters to control how vias must cover pins.

Values

• nil
  Layer specification is not required.
• g_pinCoverStatus
  Specifies whether the tap must cover the pin area.
  Type: Boolean (t or nil) or Integer (0 or 1)
  Default: 100

Parameters

• pinCoverTapViaPercent
  Specifies the percentage of pin shape to be covered by the tapping via on all the layers. The percentage is measured in the direction perpendicular to the trunk.
  Type: Integer
  Valid Values: 0 through 100
  Default: 100
• pinCoverTapLowerViaPercent
  Specifies the percentage of a pin shape to be covered by the lower layers of the tapping vias. This value applies to all layers expect the top layer. The percentage is measured in the direction perpendicular to the trunk.
  Type: Integer
  Valid Values: 0 through 100
  Default: 100

• pinCoverViaModeTrunkOver
  Specifies the via mode to be applied when a trunk or pin is covered by a via stack. Valid values are:
  • matchTrunk: Covers the width of the trunk.
  • full: Covers the entire pin shape.
  • fullExceptTop: Covers the entire trunk on the top via layer and the entire pin on the lower via layers.
  
  Type: Enum
  Valid Values: (matchTrunk, full, fullExceptTop)
  Default: matchTrunk
• pinCoverViaModePercentTrunkOver
  Specifies the percentage of trunk or pin to be covered by the via stack. The percentage is measured in the direction perpendicular to the trunk. This option can be used only when pinCoverViaModeTrunkOver is set to full or fullExceptTop.
  Type: Integer
  Valid Values: 0 through 100
  Default: 100

Applies To

• Twig constraints