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Introduction to Innovus and Block Implementation Flow Rapid Adoption Kit (RAK) Innovus Version 15.1 August-2016 10/5/2016 1 For Innovus 15.1

Copyright  1990-2016 Cadence Design Systems, Inc. All rights reserved. Printed in the United States of America. Cadence Design Systems, Inc., 2655 Seely Avenue, San Jose, CA 95134, USA Cadence 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 trademarks, contact the corporate legal department at the address above or call 800.862.4522. Allegro® Incisive® Accelerating Mixed Signal Design® InstallScape™ IP Gallery™ NanoRoute® NC-Verilog® NeoCell® NeoCircuit® Silicon Express™ SKILL® SoC Encounter™ SourceLink® online customer support Specman® Spectre® Speed Bridge® Assura® BuildGates® Cadence® CeltIC® Conformal® Connections® Diva® Dracula® ElectronStorm® Encounter® EU CAD® Fire & Ice® First Encounter® HDL-ICE® Other Trademarks OpenBook® online documentation library UltraSim® OrCAD® Palladium® Pearl® PowerSuite® PSpice® SignalStorm® Silicon Design Chain™ Silicon Ensemble® Verifault-XL® Verification Advisor® Verilog® Virtuoso® VoltageStorm® Xtreme® Open SystemC, Open SystemC Initiative, OSCI, SystemC, and SystemC Initiative are trademarks or registered trademarks of Open SystemC Initiative, Inc. in the United States and other countries and are used with permission. All other trademarks are the property of their respective holders. Confidentiality Notice No part of this publication may be reproduced in whole or in part by any means (including photocopying or storage in an information storage/retrieval system) or transmitted in any form or by any means without prior written permission from Cadence Design Systems, Inc. (Cadence). Information in this document is subject to change without notice and does not represent a commitment on the part of Cadence. The information contained herein is the proprietary and confidential information of Cadence or its licensors, and is supplied subject to, and may be used only by Cadence customers in accordance with a written agreement between Cadence and its customers. Except as may be explicitly set forth in such agreement, Cadence does not make, and expressly disclaims, any representations or warranties as to the completeness, accuracy or usefulness of the information contained in this document. Cadence does not warrant that use of such information will not infringe any third party rights, nor does Cadence assume any liability for damages or costs of any kind that may result from use of such information. RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013. UNPUBLISHED This document contains unpublished confidential information and is not to be disclosed or used except as authorized by written contract with Cadence. Rights reserved under the copyright laws of the United States. 10/5/2016 2 For Innovus 15.1

Contents Module 1: Introduction and Setup ...................................................................................... 4 1-1 Introduction .................................................................................................................. 4 1-2 Leon Design Information.............................................................................................. 4 1-3 Setting up Innovus and the Lab Directory .................................................................... 4 Module 2: Getting to Know Innovus .................................................................................. 6 2-1 Opening a Design ......................................................................................................... 6 2-2 Innovus GUI ................................................................................................................. 7 2-3 Toolbar Widgets ........................................................................................................... 8 2-4 Tool Widgets .............................................................................................................. 10 2-5 General Mouse Usage ................................................................................................. 11 2-6 Binding Keys .............................................................................................................. 12 2-7 Viewing and Editing Attributes .................................................................................. 13 2-8 Auto Query ................................................................................................................. 16 2-9 Using Help .................................................................................................................. 17 2-10 Design Browser ........................................................................................................ 18 2-11 Find/Select Object .................................................................................................... 22 2-12 Saving and Restoring a Design Database ................................................................. 23 Module 3: Flat Implementation Flow ............................................................................... 26 3-1 Importing the Design .................................................................................................. 26 3-2 Running Placement + Pre-CTS Optimization ............................................................ 29 3-3 Running Trial Route ................................................................................................... 33 3-4 Extracting RC Data ..................................................................................................... 36 3-5 Running Timing Analysis ........................................................................................... 37 3-7 Running Clock Tree Synthesis (CTS) ........................................................................ 41 3-8 Running Post-CTS Timing Optimization ................................................................... 42 3-11 Running NanoRoute ................................................................................................. 43 3-12 Post-Route Timing and SI Optimization .................................................................. 44 3-13 Verifying the Design ................................................................................................ 46 3-14 Exporting Design Data ............................................................................................. 49 3-15 Saving a Test Case .................................................................................................... 49 10/5/2016 3 For Innovus 15.1

Module 1: Introduction and Setup 1-1 Introduction The block implementation Rapid Adoption Kit (RAK) introduces you to Innovus and walks you through the basic steps in the implementation flow. It is recommended for users who are new to Innovus or the implementation flow. This is a flat implementation flow which can be applied to chip level designs as well as blocks. The goal of this tutorial is to provide you a small example of using the Innovus software. It is very basic by design so we highly recommend users attend one of several Innovus training classes provided by Cadence Educational Services. For more information on available training please visit www.cadence.com and click Support & Training. In addition to this tutorial the following resources are recommended to continue your Innovus learning. Online documentation is available via https://support.cadence.com ResourcesProduct manualsInnovus15.2 Innovus 15.2 User Guide Innovus 15.2 Text Command Reference Innovus 15.2 Menu Reference     Encounter Digital Implementation (EDI) System and Sign-off Flow Rapid Adoption Kits (RAKs) Testcase database, Scripts and references can be found at ‘Attachments’ and ‘Related Solutions’ sections below the PDF. This pdf can be searched with the document 'Title' on https://support.cadence.com 1-2 Leon Design Information The design in this workshop is a Leon processor. The Leon design is a block level design with 35K instances, 4 memories, and 1200 IO pins. The library used is a Cadence Generic 45nm library using 9 routing layers. 1-3 Setting up Innovus and the Lab Directory 1. Download and install the Innovus 15.1 software from http://downloads.cadence.com. The recommended version for this lab is Innovus 15.11-s048_1. 2. Extract the RAK database and change directory to the work directory: linux% tar xfz RAK_15.1_blockImplementation.tgz linux% cd RAK_15.1_blockImplementation 10/5/2016 4 For Innovus 15.1

3. Verify the innovus executable is in your path by typing: linux% which innovus 4. Start Innovus: linux% innovus Innovus creates three files for storing commands and their output. Each of these files will have a number at the end of the name which is incremented with each session.    innovus.cmd – Contains list of commands executed during the session. This file can be used to create scripts to automate the execution of the commands and learn what text command correspond to commands executed through the GUI. innovus.log – Contains basic information output from the executed commands. The commands in the file are preceded with in the file. innovus.logv – Similar to innovus.log but contains more verbose amount of output. Useful for debugging. Tips:  Overwrite the default names by using the –cmd and –log options when executing innovus.  Use innovus –init scriptName to execute a script when invoking Innovus. Type win to open the GUI when the script completes.  Use innovus –nowin to invoke Innovus in non-GUI mode. The Linux shell Innovus is invoked from becomes the console where standard output is printed, and is also where you enter text commands: Tip: When entering text commands you can utilize up/down arrows to cycle through the command history as well as tab completion to complete commands and their options to save on typing. 10/5/2016 5 For Innovus 15.1

Module 2: Getting to Know Innovus 2-1 Opening a Design Start by opening an existing design which is used to introduce you to Innovus. 1. Select File – Restore Design. 2. On the Restore Design form:  Select Data Type: Innovus  Specify Design Restore File: DATA/route.enc. You can type it in or use the file browser button next to the field to navigate to the file. 3. Click OK to restore the design. You should see the following: 10/5/2016 6 For Innovus 15.1

2-2 Innovus GUI The Innovus GUI is shown below. Tip: You can toggle the GUI on and off using the commands win and win off. These commands do not work when innovus –nowin is used. 10/5/2016 7 For Innovus 15.1

2-3 Toolbar Widgets The Toolbar Widgets is the row of widgets directly under the Menus. To see what each widget is, hover the cursor over each widget to display their labels. Design Views The three design views in Innovus allow certain objects to be viewable and selectable. You switch between views using the following widgets: Floorplan View – Displays floorplan objects including modules, floorplan constraints, hard macros, power domains and power routing. Standard cells (unless FIXED) and signal routes are not displayed in the Floorplan View. 10/5/2016 8 For Innovus 15.1

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