Virtuoso XL Layout Editor User Guide

Generating Your Layout with Virtuoso XL Layout Editor

3. To exit this command, click Cancel on the Pick from Schematic form.

Note: If you are using inherited connections in your design to assign more than one value to a global net, remember that the netSet properties on schematic instances, which specify the new value of a global signal, are not copied over with the instance from the schematic to the layout when you use the Gen From Source, Pick from Schematic, or Update Layout

Parameters command.

Viewing in Place

1.Select Edit – Pick From Schematic.

2.Move your cursor into the schematic window and select Design – Hierarchy – Descend Read.

3.In the schematic select a device to descend into.

4.Select Hide in the Descend form.

5.In the Descend form change the View Name to schematic and click OK. Notice that the window banner updates in the schematic window.

6.In the Pick From Schematic form select Unplaced.

7.Select an instance or pin in the Pick From Unplaced Instance/Pin form.

8.Click Apply.

9.Place the instance/pin in the layout window.

Manually Abutting Devices Using Pick from Schematic

You can automatically abut devices from the Pick From Schematic form. Turn on the Group As In Schematic and Transistor Chaining options.

The Place Individually option does not allow you to automatically abut devices.

To use the Pick from Schematic command with the Place Individually option to abut devices that are set up for abutment, follow these steps.

1.From the layout window, choose Options – Virtuoso XL.

The Virtuoso XL Options form appears.

2.Ensure that the Auto Abutment and Connectivity Extractor options are turned on.