Pegasus Interactive SignOff Fill Overview

Pegasus Interactive SignOff Fill allows you to generate dummy fills using foundry fill decks and automatically map generated dummy fills into Virtuoso OA database.

Traditional Fill Flow

Pegasus Interactive SignOff Fill Use Model

To reduce the number of iterations during cell/block development you can use the SignOff Fill feature to generate dummy fills inside block and therefore estimate timing impact of dummy fills at early development.

Pegasus Interactive SignOff Fill Features

• Support for qualified foundry fill deck.
• Generated fills immediately included into the block lib/cell/view. No need to manually merge generated fills with the design.
• Tight integration into Virtuoso Pegasus Interactive flow.
  • Ability to select layer(s) to fill from the Virtuoso layer palette (active or visible)
  • Complete snapshot flow support: create snapshot, select snapshot from the Pegasus Interactive toolbar, and run fill.
  • Less run time on advanced nodes due to elimination of the rule parser stage.
• Fill in area support.
• Incremental fill: fill design, modify design, and re-fill in the modified area.
• Blockages support:
  • Draw blockages on layout using the blockage purpose layer and run fill.

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