Virtuoso Schematic Composer User Guide

4

Creating a Multisheet Schematic

You can use multisheet schematics to partition your design among several sheets, thus creating a hierarchy.

This chapter provides information about the following topics:

■Browsing a List of Multisheets on page 202

■Converting a Single-Sheet Schematic to a Multisheet Schematic on page 202

■Adding New Sheets on page 203

■Editing the Title Block on page 203

■Editing the Sheet Border Size and Type on page 205

■Understanding Offsheet Pins and Their Naming Conventions on page 206

■Adding Offsheet Pins to Multisheet Schematics on page 208

■Understanding the Index Schematic on page 209

■Going to and from the Index Schematic on page 210

■Repositioning a Schematic within the Sheet Borders on page 210

■Deleting Sheets on page 212

■Reordering Sheets on page 213

■Renumbering Sheets on page 214

■Working with Cross-References on page 214

■Customizing Multisheets on page 225

■Drawing a Customized Sheet Border on page 228

■Customizing Pin Cross-References on page 236

■Presetting the Title Block Values on page 236

Virtuoso Schematic Composer User Guide

Creating a Multisheet Schematic

Browsing a List of Multisheets

The system uses a base name to group sheets of a multisheet schematic in a library. By default, the base name is the cell name of the original single-sheet schematic. Each sheet of a multisheet schematic has a unique sheet number.

Converting a Single-Sheet Schematic to a Multisheet Schematic

When you extend your design over several sheets, you improve readability, maintain drafting standards, and produce better plot output.

To convert a single-sheet schematic to a multisheet schematic, do the following:

1.Open a single-sheet schematic.

2.Choose Sheet – Make Multisheet.

The Create Schematic Sheet form appears.

Create Schematic Sheet

3.Change the options to specify a multisheet schematic of the size and type you want.

4.Click OK.

A sheet border and title block appear in your design window. You might need to change the size of the border, reposition your schematic within the border, or edit the sheet title.

Virtuoso Schematic Composer User Guide

Creating a Multisheet Schematic

Adding New Sheets

To add a new sheet to a multisheet schematic, do the following:

1.Choose Sheet – Create.

The Create Schematic Sheet form appears.

Create Schematic Sheet

2.In the Number field, type the number of the sheet you want to add.

If you want to determine the total number of pages, look at the title block in the lower right-hand corner of your schematic.

The size and type automatically default to the current values of the present set of sheets.

3.Click OK.

If a sheet with the number you chose already exists, you are prompted to confirm the creation of the new sheet. The schematic editor creates the new sheet with the number you chose and renumbers the remaining sheets. The schematic editor also updates all properties in the index schematic.

Editing the Title Block

Title blocks help you keep track of the titles and revisions.

To add or modify the title block of a multisheet schematic, do the following:

1. Choose Sheet – Edit Title.

Virtuoso Schematic Composer User Guide

Creating a Multisheet Schematic

The Schematic Title Block Properties form appears.

Schematic Title Block Properties

2.Change the options to edit the title block.

From an index schematic, only the Global Border Titles fields are editable. All fields are visible when you edit a sheet.

3.Click OK.