High-Bandwidth Memory Interface

This book provides an overview of recent advances in memory interface design at both the architecture and circuit levels. Coverage includes signal integrity and testing, TSV interface, high-speed serial interface including equalization, ODT, pre-emphasis,

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Chulwoo Kim • Hyun-Woo Lee Junyoung Song

High-Bandwidth Memory Interface

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Chulwoo Kim Department of Electrical Engineering Korea University Seongbuk-gu, Seoul Korea

Hyun-Woo Lee SK-Hynix Gyeonggi-do Korea

Junyoung Song Department of Electrical Engineering Korea University Seongbuk-gu, Seoul Korea

ISSN 2191-8112 ISSN 2191-8120 (electronic) ISBN 978-3-319-02380-9 ISBN 978-3-319-02381-6 (eBook) DOI 10.1007/978-3-319-02381-6 Springer NewYork Heidelberg Dordrecht London Library of Congress Control Number: 2013950761 © The Author(s) 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

Preface

These days most people use at least one personal computing device, like a pc, a tablet or a smartphone. DRAM is one of the data storage components in these devices, and memory bandwidth has increased significantly over the last 10 years. Main memories like DDR2, DDR3 and DDR4 are used in PCs and servers. DDR4 is a higher-bandwidth successor to DDR2 and DDR3 to support high-speed applications. Graphic DDR (GDDR) is used in graphic cards and game consoles. GDDR series provide higher-bandwidth than main memories to process large image and video data such as frame data buffering and life-like 3D image rendering. Ma