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Elc user guide Encounter Library Characterizer User Guide Product Version December C ? ?? Cadence Design Systems Inc All rights reserved Printed in the United States of America Cadence Design Systems Inc Cadence Seely Ave San Jose CA USA Trademarks Tradem

Encounter Library Characterizer User Guide Product Version December C ? ?? Cadence Design Systems Inc All rights reserved Printed in the United States of America Cadence Design Systems Inc Cadence Seely Ave San Jose CA 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 - - - 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 speci ?ed in this permission statement this publication may not be copied reproduced modi ?ed published uploaded posted transmitted or distributed in any way without prior written permission from Cadence This statement grants you permission to print one hard copy of this publication subject to the following conditions The publication may be used solely for personal informational and noncommercial purposes The publication may not be modi ?ed in any way Any copy of the publication or portion thereof must include all original copyright trademark and other proprietary notices and this permission statement and Cadence reserves the right to revoke this authorization at any time and any such use shall be discontinued immediately upon written notice from Cadence Disclaimer Information in this publication 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 con ?dential information of Cadence or its licensors and is supplied subject to and may be used only by Cadence ? s customer in accordance with a written agreement between Cadence and its customer 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 Use duplication or disclosure by the Government is subject to restrictions as set forth in FAR - and DFAR - et seq or its successor CEncounter Library Characterizer User Guide Contents About This Manual Audience How This Manual Is Organized Conventions Used in This Manual Related Documents Basics of Cell Library Characterization What Is Cell Library Characterization Automatic Cell Library Characterization Multiple Cell Types Combinatorial Logic Cells Tristate Logic Cells Bidirectional Cells Sequential Logic Cells Multi-Bit Logic Cells Interface Pad Circuits Pass Transistor Logic Cells State Dependency Binary Search Characterization Measurement Levels Pin-to-Pin Delay Power Consumption Input Constraints Input Loading Model Output Driving Model Non- Linear Table Model K-Factor Model E ?ective Current Source Model Distributed Processing December Product Version CEncounter Library Characterizer User Guide Getting Started Product and