Product Documentation
Virtuoso Layout Suite XL: Connectivity Driven Editing User Guide
Product Version IC23.1, November 2023

Chaining Transistors Automatically during Layout Generation

To chain transistors automatically during layout generation,

  1. From the layout window menu bar, choose Connectivity – Generate – All From Source.
    The Generate Layout form is displayed.
  2. On the Generate tab, select either of the Chaining options:
    • To automatically chain the transistors, select the Chain check box and click OK.
      The software chains the transistors automatically during layout generation.
    • To automatically chain the individual folds of a transistor, select the Chain Folds check box and click OK.
      The software automatically chains the individual folds of a transistor. The Chain Folds check box is active only when the Chain option is deselected and the Fold option is selected.

    The results of the Chaining operation are affected by the state of the lxStackPartitionParameters environment variable.

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