OrCAD Layout® User’s Guide
Product Version 10.0 June 2003 1985-2003 Cadence Design Systems, Inc. All rights reserved. Printed in the United States of America.
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Before you begin ...... 19 Welcome ...... 19 How to use this guide ...... 19 Symbols and conventions ...... 20 Related documentation ...... 21
Chapter 1 The Layout design flow ...... 23 Layout master workflow ...... 23 Board-level schematic ...... 25 Component placement ...... 25 Board routing ...... 26 Post processing ...... 27 Intertool communication ...... 27
Chapter 2 Getting started ...... 29 Opening a design ...... 29 AutoECO ...... 33 Starting a new board design with AutoECO ...... 37 Matching footprint pin names to schematic pin numbers ...... 38 Resolving missing footprint errors ...... 39 Resolving other AutoECO errors ...... 40 Creating a design without a netlist ...... 41 Saving a board ...... 43 Closing a board and exiting Layout ...... 44
Chapter 3 The Layout design environment ...... 45 User interface ...... 45 The Session Frame ...... 45 The design window ...... 46 The library manager ...... 47
OrCAD Layout User's Guide 3 Contents
The session log ...... 48 The toolbar ...... 49 The status bar ...... 53 Query window ...... 53 Pop-up menu ...... 54 Selecting and deselecting objects ...... 55 The mouse, pointer and cursor ...... 61 Density Graph window ...... 62 Viewing the current coordinates ...... 64 Viewing the place grid ...... 64 Viewing the current layer ...... 64 Using the postage stamp view ...... 65 The Help System ...... 65 Spreadsheets ...... 66 Editing spreadsheet information ...... 68 Statistics spreadsheet ...... 69 Layers spreadsheet ...... 70 Padstacks spreadsheet ...... 70 Footprints spreadsheet ...... 72 Packages spreadsheets ...... 73 Components spreadsheet ...... 74 Nets spreadsheet ...... 75 Obstacles spreadsheet ...... 76 Text spreadsheet ...... 77 Error Markers spreadsheet ...... 77 Drills spreadsheet ...... 78 Apertures spreadsheet ...... 79 Color spreadsheet ...... 80 Post Process spreadsheet ...... 81 Place Pass spreadsheet ...... 83 Editing object properties ...... 83 Setting environment preferences ...... 84 Using and assigning colors ...... 87 Assigning a color to an object ...... 88 Assigning a color to a board layer ...... 90 Changing the visibility of a layer or an object ...... 91 Using color rules ...... 94 Layer 0 (Zero) ...... 95 Zooming ...... 96 Numerical boundaries for Layout ...... 99 Shortcuts ...... 101 Global action shortcuts ...... 101 File menu shortcuts ...... 103
4 OrCAD Layout User's Guide Contents
Edit menu shortcuts ...... 103 View menu shortcuts ...... 103 Tool menu shortcuts ...... 104 Options menu shortcuts ...... 106 Auto menu shortcuts ...... 106 Window menu shortcuts ...... 107 Window and spreadsheet shortcuts ...... 107 Layer number shortcuts ...... 108
Chapter 4 Layout files and file translation ...... 111 System files ...... 111 Design files ...... 117 Library files ...... 117 Report files ...... 117 Netlist files ...... 118 Board files ...... 119 Board templates ...... 119 Technology templates ...... 119 Strategy files ...... 124 MAX ASCII files ...... 131 Exporting and importing ASCII files ...... 131 MAX ASCII file general format ...... 133 Attribute data format ...... 135 Component data format ...... 137 Net data format ...... 140 Package and Symbol data format ...... 143 Translating other file formats into Layout files ...... 145 PADS Import ...... 146 P-CAD Import ...... 150 IDF Import ...... 156 Protel Import ...... 158 Protel 99SE Import ...... 162 CadStar Import ...... 165 Tango Import ...... 169 SPECCTRA Import ...... 173 GenCAD Import ...... 174 PCB 386 Import ...... 175 Translating Layout files into other file formats ...... 177 IDF Export ...... 177 SPECCTRA Export ...... 179 GenCAD Export ...... 180
OrCAD Layout User's Guide 5 Contents
GenCAM Export ...... 181 IPC-356 Export ...... 182 CadStar Export ...... 183 ODB++ Export ...... 186 PADS Export ...... 187 P-CAD Export ...... 190 Protel Export ...... 193 Tango Export ...... 196 HyperLynx Export ...... 199 PCB 386+ Export ...... 200 DXF import and export ...... 200 Importing a DXF file ...... 201 Layer Mapping for DXF translation ...... 203 Adding text and obstacles with DXF import ...... 205 Creating single-layer DXF files through the Post Processor . . 207 Creating multi-layer DXF files by exporting ...... 208 Updating boards and libraries to Release 9 format ...... 209 Converting pre-Layout v7.10 split planes ...... 211
Chapter 5 Setting up the board ...... 215 Creating a new Layout project from a Capture design ...... 216 Using technology templates ...... 217 Loading a technology template ...... 218 Creating custom technology templates ...... 218 Creating a board outline ...... 221 Moving the datum ...... 222 Setting units of measurement ...... 223 Setting system grids ...... 226 Adding mounting holes to a board ...... 229 Defining the layer stack ...... 230 Defining global spacing values ...... 231 Defining padstacks ...... 233 Defining vias ...... 234 Defining an unused via ...... 234 Assigning a via to a net ...... 235 Changing via definitions ...... 236 Placing a via ...... 236 Viewing drill holes ...... 237 Defining free vias ...... 238 Setting net properties ...... 239 Opening and editing nets ...... 239
6 OrCAD Layout User's Guide Contents
Enabling layers for routing ...... 240 Setting net widths by layer ...... 240 Setting reconnection order ...... 241 Setting net spacing by layer ...... 243
Chapter 6 Creating and editing obstacles ...... 245 Creating obstacles ...... 246 Selecting obstacles ...... 247 Editing obstacles ...... 248 Copying obstacles ...... 248 Moving obstacles ...... 249 Rotating obstacles ...... 250 Mirroring obstacles ...... 250 Exchanging the ends of obstacles ...... 251 Moving segments ...... 251 Creating circular obstacles ...... 252 Deleting obstacles ...... 253 Creating alignment targets ...... 253
Chapter 7 Creating and editing text ...... 255 Creating text ...... 255 Moving text ...... 260 Deleting text ...... 260
Chapter 8 Design Reuse ...... 261 Internal Design Reuse ...... 262 Creating the Capture design for internal reuse ...... 262 Annotating the design for internal reuse ...... 263 Creating a netlist in Capture for Layout ...... 265 Placing and routing the first instance of reuse ...... 266 Applying internal design reuse to reuse targets ...... 267 Internal design reuse example ...... 269 Creating the Capture design for internal reuse ...... 269 Annotating the design for internal reuse ...... 273 Creating a netlist in Capture for Layout ...... 279 Placing and routing the first instance of reuse ...... 279
OrCAD Layout User's Guide 7 Contents
Applying internal design reuse to reuse targets ...... 281 External Design Reuse ...... 285 Creating the Capture design for external reuse ...... 285 Annotating the design for external reuse ...... 287 Creating a netlist and starting a new board ...... 289 Applying external design reuse to reuse targets ...... 290 External design reuse example ...... 292 Creating the Capture design for external reuse ...... 292 Annotating the design for external reuse ...... 298 Creating a netlist and starting a new board ...... 304 Applying external design reuse to reuse targets ...... 304 Partial Design Reuse ...... 312
Chapter 9 Placing and editing components . . . . . 315 Preparing the board for component placement ...... 315 Checking the board, place, and insertion outlines ...... 316 Checking the place grid ...... 317 Checking mirror layers and library layers ...... 318 Weighting and color-coding nets ...... 318 Checking gate and pin information ...... 319 Securing preplaced components on the board ...... 321 Creating height or group keepins and keepouts ...... 322 Loading a placement strategy file ...... 323 Grouping components for placement ...... 324 Disabling the power and ground nets ...... 325 Placing components manually ...... 325 Placing components individually ...... 325 Selecting the next components for placement ...... 326 Building component clusters ...... 327 Placing component groups ...... 328 Minimizing connections to optimize placement ...... 329 Copying, moving, and deleting components ...... 329 Swapping components ...... 330 Rotating components ...... 331 Mirroring components ...... 331 Placing components using a matrix ...... 332 Editing components ...... 334 Selecting an alternate footprint ...... 338 Merging .MAX files into a design ...... 339 Using autoplacement ...... 340 Placing components using autoplacement ...... 342
8 OrCAD Layout User's Guide Contents
Using interactive placement commands ...... 348 Adding footprints to the board ...... 362 Checking placement ...... 365
Chapter 10 Routing the board ...... 369 Routing the board manually ...... 370 Checking the board outline, via definitions, and routing and via grids ...... 370 Loading and editing a routing strategy file ...... 371 Changing board density using routing strategy files ...... 373 Routing power and ground ...... 373 Defining a DRC box ...... 378 Fanout ...... 379 Routing ...... 386 Creating split planes ...... 389 Verifying plane layer connections and disabling power and ground nets ...... 393 Using manual routing tools ...... 394 Using add/edit route mode ...... 395 Using edit segment mode ...... 396 Using interactive routing tools ...... 398 Using shove track mode ...... 399 Using auto path route mode ...... 401 Creating duplicate connections ...... 402 Manual routing techniques ...... 403 Minimizing connections ...... 403 Changing the colors of nets ...... 404 Copying tracks ...... 404 Removing tracks ...... 404 Moving segments of tracks ...... 406 Changing the widths of tracks ...... 407 Forcing a net width on a layer ...... 407 Drawing arcs ...... 408 Adding vias ...... 408 Adding a free via matrix ...... 409 Changing vias ...... 410 Changing free vias ...... 410 Using tack points ...... 412 Exchanging the ends of a connection ...... 412 Locking routed tracks ...... 413 Routing to an off-grid pad ...... 413
OrCAD Layout User's Guide 9 Contents
Teeing into or out of an existing track ...... 417 Making a ratsnest invisible ...... 420 Routing hints ...... 420 Creating and modifying nets ...... 422 Creating nets ...... 422 Splitting nets ...... 423 Adding and deleting pins connected to nets ...... 423 Disconnecting pins from nets ...... 424 Generating test points ...... 424 Checking routing ...... 426 Using Route Spacing Violations ...... 426 Viewing routing statistics ...... 427 Resistor packages (pin swapping) ...... 428 Autorouting ...... 430
Chapter 11 Using thermal reliefs and copper pour zones 433 Thermal reliefs ...... 433 Defining thermal reliefs ...... 434 Previewing thermal reliefs ...... 435 Rules that apply to creating thermal reliefs ...... 436 Forced thermal reliefs and preferred thermal reliefs ...... 437 Using padstacks to create thermal reliefs ...... 438 Copper pour zones ...... 438 Designating a seed point ...... 440 Creating a copper pour ...... 441 Creating a circular copper pour ...... 443 Specifying a hatch pattern ...... 443 Refreshing a copper pour after editing the board ...... 444 Using copper pour as a shield ...... 445
Chapter 12 Ensuring manufacturability ...... 449 Checking design rules ...... 449 Investigating errors ...... 450 Delete Violating Tracks ...... 451 Validating Gerber connectivity using an IPC-D-356 netlist ...... 451 Cleaning up your design ...... 456
10 OrCAD Layout User's Guide Contents
Chapter 13 Post processing ...... 457 Renaming components ...... 457 Annotating and cross probing ...... 458 Back annotating ...... 458 Forward annotating ...... 459 Cross probing ...... 462 Retaining non-electrical parts during AutoECO ...... 464 Updating the footprint of a component using AutoECO ...... 465 Comparing the connectivity of a Layout board file against the schematic netlist ...... 466 User defined schematic attributes ...... 466 Documenting board dimensions ...... 469 Viewing the Post Process spreadsheet ...... 471 Previewing layers ...... 473 Previewing a layer ...... 475 Viewing the drill drawing and drill chart ...... 477 Restoring the design window view ...... 478 Gerber plot preview ...... 479 Moving the drill chart ...... 480 Generating a drill tape ...... 481 Using Run Post Processor ...... 482 Creating reports ...... 483 Printing and plotting ...... 487
Chapter 14 Managing libraries and footprints . . . . . 489 The library manager ...... 491 Starting the library manager ...... 492 Making libraries available for use ...... 492 Viewing footprints ...... 494 Creating a custom footprint library ...... 494 Adding, copying, and deleting footprints ...... 495 Creating and editing footprints ...... 497 Setting a grid for the footprint pins ...... 497 Creating a footprint ...... 497 Editing footprints and footprint pins ...... 512 Editing and copying padstacks ...... 513 The Catalog Tool ...... 518 Creating a catalog ...... 518 Printing a catalog ...... 520 Creating an Acrobat PDF file of an OrCAD Layout Library . . . 522
OrCAD Layout User's Guide 11 Contents
Chapter A Visual CADD ...... 527 Manipulating the MECHANICAL mappings ...... 527 Interactive DXF translation ...... 528 Importing the DXF file ...... 530 Translating components ...... 531 Translating remaining elements ...... 534 Stopping and resuming an incomplete translation ...... 536 Importing a design from multiple DXF files ...... 538
Chapter B GerbTool ...... 541 The GerbTool Design File ...... 541 Gerber to IPC-356 netlist comparison ...... 542 Creating the Gerber files in Layout ...... 543 Creating the IPC-356 netlist in Layout ...... 544 Running the netlist comparison in GerbTool ...... 544 Panelize ...... 549 Manual panelization ...... 551 Automatic panelization ...... 551 Automatic venting ...... 552 Virtual panelization ...... 552 Teardrop Pads ...... 553
Chapter C Dialog box descriptions ...... 557 Add Color Rule dialog box ...... 557 Add Component dialog box ...... 558 Add Footprint dialog box ...... 561 Add Free Via dialog box ...... 563 Add Pad dialog box ...... 565 Add Test Point dialog box ...... 567 Assign Via dialog box ...... 569 Autodimension Options dialog box ...... 570 Backup Settings dialog box ...... 571 Check Design Rules dialog box ...... 573 Circular Placement dialog box ...... 576 Circular tab (Pad Array Generator) ...... 579 Cleanup Design dialog box ...... 582 Color dialog box ...... 583 Comp Attachment dialog box ...... 584
12 OrCAD Layout User's Guide Contents
Component Attachment dialog box ...... 585 Component Selection Criteria dialog box ...... 586 Connector Stagger X tab (Pad Array Generator) ...... 589 Connector Stagger Y tab (Pad Array Generator) ...... 591 Copy Padstack Layer dialog box ...... 594 Create Catalog dialog box ...... 595 Create Catalog Additional Options dialog box ...... 596 Create New Footprint dialog box ...... 597 Design Reuse dialog box ...... 598 Drill Chart Properties dialog box ...... 599 Drill Properties dialog box ...... 600 Dual/Quad Inline tab (Pad Array Generator) ...... 603 Edit Apertures dialog box ...... 605 Edit Array Alphabet dialog box (Pad Array Generator) ...... 607 Edit Component dialog box ...... 608 Edit Footprint dialog box ...... 610 Edit Free Via dialog box ...... 612 Edit Layer dialog box ...... 614 Edit Layer Strategy dialog box ...... 620 Edit Net dialog box ...... 623 Edit Obstacle dialog box ...... 628 Edit Pad dialog box ...... 632 Edit Padstack dialog box ...... 634 Edit Padstack Layer dialog box ...... 639 Edit Place Pass dialog box ...... 644 Edit Route Pass dialog box ...... 647 Edit Spacing dialog box ...... 654 Edit Test Point dialog box ...... 655 Fanout Settings dialog box ...... 657 Find and Select Item dialog box ...... 659 Find Coordinate or Reference Designator dialog box ...... 660 Footprint Selection dialog box ...... 660 Free Via Matrix Settings dialog box ...... 661 Free Via Selection Criteria dialog box ...... 663 GenCAD to Layout dialog box ...... 664 Generate Reports dialog box ...... 665 Gerber Preferences dialog box ...... 668 Grid Array tab (Pad Array Generator) ...... 671 IDF to Layout dialog box ...... 674 Hatch Pattern dialog box ...... 676 Jumper Lengths dialog box ...... 677 Layers Enabled for Routing dialog box ...... 678 Layout MAX to HYP window ...... 679
OrCAD Layout User's Guide 13 Contents
Layout to GenCAD dialog box ...... 680 Layout to GenCAM dialog box ...... 681 Layout to IPC-356 dialog box ...... 682 Layout to IDF dialog box ...... 683 Layout to ODB++ dialog box ...... 685 Layout to SPECCTRA dialog box ...... 687 Library Conversion Warning dialog box ...... 688 Link Footprint to Component dialog box ...... 688 Manual Route Strategy dialog box ...... 689 Modify Connections dialog box ...... 691 Modify Nets dialog box ...... 692 Net Selection Criteria dialog box ...... 692 Net Spacing by Layer dialog box ...... 693 Net Widths by Layer dialog box ...... 694 Obstacle Selection Criteria dialog box ...... 695 Package Edit dialog box ...... 696 Pad Array Generator dialog box ...... 701 Pin Attachment dialog box ...... 703 Place Settings dialog box ...... 703 Post Process Settings dialog box ...... 705 Print Catalog dialog box ...... 710 Print/Plot dialog box ...... 711 QFP/Chip Carrier tab (Pad Array Generator) ...... 715 Reconnection Type dialog box ...... 717 Rename Direction dialog box ...... 719 Replace dialog box ...... 720 Route Settings dialog box ...... 721 Save Footprint As dialog box ...... 725 Save padstack - Select library dialog box ...... 726 Select Footprint dialog box ...... 727 Select Layer dialog box ...... 728 Select Next dialog box ...... 728 Select Padstacks dialog box ...... 729 Select Padstack dialog box (Pad Array Generator) ...... 730 SPECCTRA Interface dialog box ...... 732 SPECCTRA to Layout dialog box ...... 735 Sweep Edit dialog box ...... 735 System Settings dialog box ...... 740 Test Point Settings dialog box ...... 742 Test Point Selection Criteria dialog box ...... 743 Text Edit dialog box ...... 744 Text Selection Criteria dialog box ...... 746 Thermal Relief Settings dialog box ...... 747
14 OrCAD Layout User's Guide Contents
Track Width dialog box ...... 748 User Preferences dialog box ...... 748 Via Selection dialog box ...... 752 Workspace Settings dialog box ...... 752
Chapter D Layout Session Window Commands . . . 755 File Menu Commands (LSession) ...... 755 Import command (File menu) ...... 755 Export command (File menu) ...... 762 1, 2, 3, 4 file commands (File menu) ...... 769 View Menu Commands (LSession) ...... 770 Toolbar command (View menu) ...... 770 Status Bar command (View menu) ...... 770 Tools Menu Commands (LSession) ...... 771 Library Manager command (LSession: Tools menu) ...... 771 Create (Catalog) command ...... 772 Print (Catalog) command ...... 772 OrCAD Capture command (Tools menu) ...... 772 IntelliCAD command ...... 773 SmartRoute command (Tools menu) ...... 773 GerbTool command (Tools menu) ...... 773 ECOs command (Tools menu) ...... 774 Edit App Settings command (Tools menu) ...... 786 Reload App Settings command (Tools menu) ...... 786
Chapter E Layout Commands ...... 787 File Menu Commands ...... 787 New command (File menu) ...... 788 Open command (File menu) ...... 789 Load command (File menu) ...... 789 Save command (File menu) ...... 793 Save As command (File menu) ...... 793 Backup command (File menu) ...... 796 Close command (File menu) ...... 797 Print/Plot command (File menu) ...... 797 Library Manager command (File menu) ...... 798 Text Editor command (File menu) ...... 799 Exit command (File menu) ...... 799 Edit Menu Commands ...... 799
OrCAD Layout User's Guide 15 Contents
Undo command (Edit menu) ...... 800 Copy command ...... 800 Paste command ...... 801 Delete command ...... 801 Find/Goto command (Edit menu) ...... 801 Select Any command (Edit menu) ...... 802 Select Next command (Edit menu) ...... 803 Clear Selections command (Edit menu) ...... 804 End command (Edit menu) ...... 804 Properties command (Edit menu) ...... 805 View Menu Commands ...... 805 Design command (View menu) ...... 806 Density Graph command ...... 806 Preview command (View menu) ...... 808 High Contrast command (View menu) ...... 808 Clear Screen command (View menu) ...... 808 Redraw command (View menu) ...... 809 Query Window command (View menu) ...... 809 Database Spreadsheets command (View menu) ...... 810 Zoom All (Fit) command (View menu) ...... 810 Zoom Center command (View menu) ...... 811 Zoom In command (View menu) ...... 811 Zoom Out command (View menu) ...... 812 Zoom Previous command (View menu) ...... 812 Zoom DRC/Route Box command (View menu) ...... 813 Visible <> Invisible command (View menu) ...... 813 Tool Menu Commands ...... 813 Layer Flyout Commands ...... 814 Block command ...... 815 Cluster Flyout Commands ...... 820 Group Flyout commands ...... 821 Matrix Flyout Commands ...... 825 Component Flyout Commands ...... 827 Gate Flyout Commands ...... 834 Footprint Flyout Commands ...... 835 Padstack Flyout Commands ...... 836 Pin Flyout Commands ...... 839 Aperture Flyout Commands ...... 842 Net Flyout Commands ...... 843 Connection Flyout Commands ...... 848 Track Flyout Commands ...... 851 Track Segment Flyout Commands ...... 854 Jumper Flyout Commands ...... 856
16 OrCAD Layout User's Guide Contents
Via Flyout Commands ...... 858 Test Point Flyout Commands ...... 862 Drill Chart Flyout Commands ...... 864 Text Flyout Commands ...... 864 Dimension Flyout Commands ...... 868 Measurement Flyout Commands ...... 870 Obstacle Flyout Commands ...... 871 Error Flyout Commands ...... 877 Options Menu Commands ...... 877 System Settings command ...... 878 Colors command ...... 878 Color Rules command ...... 879 Auto Backup command ...... 880 Global Spacing command ...... 880 Placement Strategy command ...... 880 Place Settings command ...... 881 Route Strategies Flyout Commands ...... 881 Route Settings command ...... 885 Fanout Settings command ...... 885 Thermal Relief Settings command ...... 885 Jumper Settings command ...... 886 Free Via Matrix Settings command ...... 886 Test Point Settings command ...... 886 Components Renaming command ...... 887 Gerber Settings command ...... 887 Post Process Settings command ...... 887 User Preferences command ...... 888 Auto Menu Commands ...... 888 Refresh Flyout Commands ...... 889 Place Flyout Commands ...... 891 Unplace Flyout Commands ...... 894 Fanout Flyout Commands ...... 895 Autoroute Flyout Commands ...... 897 Unroute Flyout Commands ...... 900 Design Rules Check command ...... 902 Delete Violating Tracks Flyout Commands ...... 902 Cleanup Design command ...... 903 Rename Components command ...... 904 Back Annotate command ...... 904 Run Post Processor command ...... 904 Create Reports command ...... 905 Window Menu Commands ...... 905 Cascade command (Window menu) ...... 906
OrCAD Layout User's Guide 17 Contents
Tile command (Window menu) ...... 906 Arrange Icons command (Window menu) ...... 906 Half Screen command (Window menu) ...... 906 Reset All command (Window menu) ...... 907 1, 2, 3, 4 commands (Window menu) ...... 907 Help Menu Commands ...... 907 Layout Help command ...... 908 What’s New command ...... 908 Known Problems and Solutions command ...... 908 Web Resources Commands ...... 908 Learning Layout command ...... 909 Manuals command ...... 909 About Layout command ...... 909 View Spreadsheet Toolbar Button Commands ...... 910 Strategy command (Spreadsheets) ...... 910 Pop-up menus ...... 912 Block tool pop-up commands ...... 913 Component tool pop-up menu commands ...... 914 Gate tool pop-up menu commands ...... 915 Pin tool pop-up menu commands ...... 916 Obstacle tool pop-up menu commands ...... 916 Text tool pop-up menu commands ...... 917 Connection tool pop-up menu commands ...... 917 Error tool pop-up menu commands ...... 917 Track tool pop-up menu commands ...... 918 Track Segment tool pop-up menu commands ...... 919 End Command (pop-ups) ...... 920
Glossary ...... 921
Index ...... 939
18 OrCAD Layout User's Guide Before you begin
Welcome
OrCAD Layout is a powerful printed circuit board layout tool that is a part of a full line of design and simulation tools available from OrCAD. OrCAD Layout makes it easy to place, route and prepare printed circuit boards for fabrication.
How to use this guide
This guide is designed to make the most of the advantages of onscreen books. The table of contents, index, and cross references provide instant links to the information you need. Just click on the text and jump.
If you find printed paper helpful, print only the section you need at the time. When you want an in-depth tutorial, print the example. When you want a quick reminder of a procedure, print the procedure.
OrCAD Layout User's Guide 19 Chapter Before you begin Product Version 10.0
Symbols and conventions
OrCAD printed documentation uses a few special symbols and conventions
Notation Examples Description CTRL+R Press CTRL+R Means to hold down the CTRL key while pressing R. ALT, F, O From the File menu, choose Open Means that you have two (ALT, F, O) options. You can use the mouse to choose the Open command from the File menu, or you can press each of the keys in parentheses in order: first ALT, then F, then O. Monospace font In the Part Name text box, type Text that you type is shown in PARAM. monospace font. In the example, you type the characters P, A, R, A, and M. UPPERCASE In Capture, open CLIPPERA.DSN. Path and filenames are shown in uppercase. In the example, you open the design file named CLIPPERA.DSN. Italics In Capture, save Information that you are to design_name.DSN. provide is shown in italics. In the example, you save the design with a name of your choice, but it must have an extension of .DSN.
20 OrCAD Layout User's Guide Product Version 10.0 How to use this guide
Related documentation
In addition to this guide, you can find technical product information in the online Help, the online interactive tutorial, online books, OrCAD’s technical web site, as well as other books. The table below describes the types of technical documentation provided with Layout.
This documentation component . . . Provides this . . .
This guide— A comprehensive guide for understanding and OrCAD Layout User’s Guide using the features available in Layout.
Online Help Comprehensive information for understanding and using the features available in Layout. You can access Help from the Help menu in Layout, by choosing the Help button in a dialog box, or by pressing F1. Topics include: Explanations and instructions for common tasks. Descriptions of menu commands, dialog boxes, tools on the toolbar and tool palettes, and the status bar. Error messages and glossary terms. Reference information. You can get context-sensitive help for a error message by placing your cursor in the error message line in the session log and pressing F1. Online interactive tutorial A series of self-paced interactive lessons. You can practice what you’ve learned by going through the tutorial’s specially designed exercises that interact directly with Layout. You can start the tutorial by choosing Learning Capture from the Help menu. Online OrCAD Layout Quick Concise descriptions of the commands, Reference shortcuts, and tools available in Layout.
OrCAD Layout User's Guide 21 Chapter Before you begin Product Version 10.0
22 OrCAD Layout User's Guide The Layout design flow
1
Layout master workflow
Layout supports every phase of the design process. A typical printed circuit board design flow has five key phases: Board-level schematic Component placement Board routing Post processing
OrCAD Layout User's Guide 23 Chapter 1 The Layout design flow Product Version 10.0