PowerRing

Name

PowerRing - Placement of power rings.

Synopsys

PowerRing ( nb )

Description

This function places power rings around the core and around the plots.

Parameters

• nb : Number of pair of rings vdd/vss

Example

PowerRing ( 3 )

Errors

Some errors may occur :

• [Stratus ERROR] PowerRing : Pads in the north haven't been placed.
  The pads of the 4 sides of the chip must be placed before calling function PowerRing.
• [Stratus ERROR] PowerRing : too many rings, not enough space.
  Wether The argument of PowerRing is to big, or the abutment box of the chip is to small. There's no space to put the rings.

See Also

Introduction Layout PlaceCentric PlaceGlu FillCell Pads Alimentation rails Alimentation connectors RouteCk