Orcad Layout® User's Guide
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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. Cadence Design Systems, Inc., 555 River Oaks Parkway, San Jose, CA 95134, USA Trademarks: Trademarks and service marks of Cadence Design Systems, Inc. (Cadence) contained in this document are attributed to Cadence with the appropriate symbol. For queries regarding Cadence’s trademarks, contact the corporate legal department at the address shown above or call 1-800-862-4522. All other trademarks are the property of their respective holders. Restricted Print Permission: This publication is protected by copyright and any unauthorized use of this publication may violate copyright, trademark, and other laws. Except as specified in this permission statement, this publication may not be copied, reproduced, modified, published, uploaded, posted, transmitted, or distributed in any way, without prior written permission from Cadence. 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Contents 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 . ..