Virtuoso Schematic Composer User Guide

Editing Objects

Changing the View of a Postselected Object

To view symbol views for a postselected object, do the following:

1.Choose Edit – Alternate View.

2.Click an object in the schematic.

Continue clicking on the object to view all the alternative views. After displaying the last view, the command redisplays the first view.

Toggling Objects

Use bindkeys to toggle an object while in the Add – Pin or Add – Wire command.

Toggling Pin Direction Options

To toggle the direction of a pin (for example, from input to inputOutput), do the following:

1.Choose Add – Pin.

2.Press the Shift key and click right to cycle through the options.

Toggling Wire Draw Mode Options

When you add a wire to your design, the editor draws the wire segment using a draw mode that you specify on the Add Wire form. Use your mouse to cycle through the possible draw modes (shown below) to specify another mode.

To toggle the draw mode, do the following:

1.Choose Add – Wire.

2.Use the right-mouse button to toggle through the draw modes.

The wire will change form as you change the draw mode.

Virtuoso Schematic Composer User Guide

Editing Objects

3.Click to indicate the first data point of the wire.

4.Move the cursor to the second point of the wire and click right.

Toggling Instance Symbol View Options

To toggle instance symbol views (for example, from a nand2 symbol view to a nand2 symbolNeg view), do the following:

1.Choose Add – Instance.

2.Press the Shift key and click right to cycle through the options.

Editing the Display Configuration of a Component

This section describes the following topics:

■Changing the Display Configuration of Instance IL Labels on page 330

■Saving the Current Label Display File on page 332

■Loading the Current Label Display File on page 332

■Attaching the Label Display File to the Library on page 333

■Detaching the Label Display File from the Library on page 334

■Setting the Simulation Data Directory on page 335

Virtuoso Schematic Composer User Guide

Editing Objects

Changing the Display Configuration of Instance IL Labels

You can edit the display configuration of instance IL labels cdsName( , cdsTerm, and cdsParam) that you created using the Add – Label command from the symbol editor or from the instances supplied with the analog circuit designer.

IL labels (labels generated automatically during automatic symbol generation) are evaluated when an instance of a symbol containing the IL label is instantiated in a schematic.

To change the display configuration of instance IL labels cdsName( , cdsTerm, and cdsParam), do the following:

1.Choose Edit – Component Display.

2.Point to an instance label in your design.

Virtuoso Schematic Composer User Guide

Editing Objects

The system checks the design for errors. The Edit Component Display form appears and expands giving you options for the label you selected.

3.In the Select Label field, click the type of label you want to edit.

The Edit Component Display form expands, giving you options for the label you selected.

4.In the Apply To field, clicklibrary, cell, and/or instance, to which to apply the label display configuration.

5.Click OK.