《高速SerDes器件和应用》 [ISBN_ 978-0387798332]David Robert

文件名称: 《高速SerDes器件和应用》 [ISBN_ 978-0387798332]David Robert Stauffer 英文版

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详细说明：《High Speed SerDes Devices and Applications [ISBN_ 978-0387798332]》David Robert Stauffer.pdf 《高速SerDes器件和应用》 [ISBN_ 978-0387798332]David Robert Stauffer 英文版Davide. stauffer Jeanne T mechler IBM Corporation IBM Corporation Essex junction. VT Essex junction. VT USA USA Kent ramstad Clarence. Ogilvie IBM Corporation IBM Corporation Essex junction. VT Essex junction Vt USA USA Amanullah mohammad James d. rockrohr IBM Corporation IBM Microelectronics Research Triangle Park, NC Hopewell Junction, NY USA USA Michael a. sorna IBM Microelectronics Hopewell Junction, NY USA ISBN978-0-387-79833-2 e-ISBN978-0-387-798349 Library of congress Control Number: 2008925643 o 2008 Springer Science+ Business Media, LLC All rights reserved. This work may not be translated or copied in whole or in part without the written per- mission of the publisher(Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013 USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights While the advice and information in this book are believed to be true and accurate at the date of going to press, 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 987654321 springer. com Preface The simplest method of transferring data through the inputs or outputs of a silicon chip is to directly connect each bit of the datapath from one chip to the next chip. Once upon a time this was an acceptable approach. However, one aspect(and perhaps the only aspect) of chip design which has not changed during the career of the authors is moore's law, which has dictated substantial increases in the number of circuits that can be manufactured on a chip The pin densities of chip packaging technologies have not increased at the same pace as has silicon density, and this has led to a prevalence of High Speed Serdes (HSS) devices as an inherent part of almost any chip design. hsS devices are the dominant form of input/output for many (if not most) high-integration chips, moving serial data between chips at speeds up to 10 Gbps and beyond. Chip designers with a background in digital logic design tend to view hss devices as simply complex digital input/output cells. This view ignores the complexity associated with serially moving billions of bits of data per second. At these data rates, the assumptions associated with digital signals break down and analog factors demand consideration. The chip designer who oversimplifies the problem does so at his or her own peril Despite this, many chip designers who undertake using HSS cores in their design do not have a sufficient back ground to make informed decisions on the use of Hss features in their application, and to appreciate the potential pitfalls that result from ignoring the analog nature of the application. Databooks describe the detailed features of specific hss devices, but usually assume that the reader already understands the fundamentals. This is the equivalent of providing detailed descriptions of the trees, but leaving the reader struggling to get an overview of the forest This text is intended to bridge this gap, and provide the reader with a broad understanding of hss device usage. Topics typically taught in a variety of courses using multiple texts are consolidated in this text to provide sufficient background for the chip designer that is using HSS devices on his or her chip This text may be viewed as consisting of four sections as outlined below The first three chapters relate to the features functions and design of Hss devices. Chapter 1 introduces the reader to the basic concepts and the resulting features and functions typical of hss devices. Chapter 2 builds upon these concepts by describing an example of an HSS core, thereby giving the reader a concrete implementation to use as a framework for topics throughout the remainder of the text. Although loosely based on the hss designs offered in IBMASIC products, this hss eX10 is a simplified tutorial example and shares many features/functions with product offerings from other vendors Finally Chap. 3 introduces interested readers to the architecture and design of hss cores using the HSs eX10 as an example The next two chapters describe the features and functions of protocol logic used to implement various network protocol interface standards. Chapter 4 High Speed Serdes Devices and Applications introduces concepts related to interface standards, as well as design architectures for various protocol logic functions. Chapter 5 provides an overview of various protocol standards in which Hss cores are used The next four chapters cover specialized topics related to HsS cores Chapter 6 describes clock architectures for the reference clock network which supplies clocks to the Hss core, as well as floorplanning and signal integrit analysis of these networks. Chapter 7 covers various topics related to testing HSS cores and diagnostics using HSS cores. Chapter 8 covers basic concepts regarding signal integrity, and signal integrity analysis methods. Chapter 9 covers power dissipation concepts and how these relate to hss cores Finally, any hSs core is not complete without a set of design kit models to facilitate integration within the chip design. Chapter 10 discusses various topics regarding the design kit models that require special consideration when applied to Hss cores Acknowledgments The authors wish to thank the following ibm colleagues without whose contributions and reviews this text would not be possible: william clark Nanju Na, Stephen Kessler, Ed Pillai, M. Chandrika, Peter Jenkins, Douglas Massey, Suzanne granato, Della Budell, and Jack Smith In addition the authors would like to thank thucydides Xanthopoulos of Cavium Networks for his detailed and insightful review of this text, and Andrea Kosich for making it possible to utilize material from Optical nternetworking Forum Interoperability agreements Table of contents Preface Acknowledgments Chapter 1: Serdes Concepts 1.1 The Parallel data bus 1.2 Source Synchronous Interfaces Reducing the number of I/O Pins Clock Forwarding 12234 Higher Speed Source Synchronous Interfaces 3 High-Speed serdes 8 Serializer/ Deserializer blocks equalizers Clock and Data Recovery(cdr) 14 Differential driver 15 Differential Receiver 17 Diagnostic Functions 17 Phase-Locked Loop 19 4 Signal integrity 19 The Channel 19 Package Models 21 Jitter 21 Channel analysis Tools 23 1.5 Signaling methods 24 6 Exercises 27 Chapter 2: HSS Features and Functions....... 3 2. 1 HSS Core Example: HSS EX10 10-Gbps Core HSS EXIO Input/Output Pin descriptions 33 HSS EX1O Register Descriptions 41 2.2 HSS EXI0 Transmitter Slice Functions Transmitter Parallel data 54 Transmitter Signal characteristics 56 Transmitter FFE Programming 58 Transmitter Power Control 59 Half-Rate/Quarter-Rate/Eighth-Rate Operation 60 JTAG 1149. 1 and Bypass Mode Operation 62 PRBS/Loopback Diagnostic Features 64 Out of Band Signalling Mode(Obs) Features to Support PCI Express 6 2. 3 HSS EXI0 Receiver Slice Functions Receiver Data Interface 68 DFE and Non -DFE Receiver modes 70 IX Table of contents Serial Data Termination and AC/DC Coupling 71 Signal detect 71 R Power ce 72 JTAG.1711496 and Bypass Mode Operation 73 Half-Rate/Quarter-Rate/Eight-Rate Operation 76 PRBS/Loopback diagnostic Features 77 Phase rotator Control/ observation 78 Support for Spread Spectrum Clocking 78 ye Quali 79 SONET Clock Output 80 Features to Support PCI Express 80 2. 4 Phase-Locked Loop(Pll sli 80 Reference Clock 81 Clock dividers 82 Power on reset 82 VCO Coarse Calibration 83 PLL Lock Detection 83 Reset sequencer 84 HSS Resynchronization 84 PCI Express Power States 87 2.5 Reset and reconfiguration Sequences 87 Reset and Configuration 87 Changing the Transmitter Configuration 90 Changing the Receiver Configuration 92 2.6 References and Additional reading 93 2.7 Exercises 94 Chapter 3: HSS Architecture and Design......99 3. I Phase Locked Loop(pll) slice 100 PLL Macro 101 Clock distribution macro 102 Reference circuits 103 PLL Logic Overview 105 3.2 Transmitter Slice 107 Feed Forward Equalizer(FFE)Operation 109 Serializer operation 112 3. 3 Receiver slice 114 Clock and Data Recovery(CDR)Operation 116 Decision Feedback Equalizer (DFE) Architectures 118 Data Alignment and deserialization 121 3. 4 References and Additional reading 122 3.5 Exercises 123 Table of contents Chapter 4: Protocol Logic and Specifications ..... 125 4. 1 Protocol Specifications 125 Protocol layers 125 Serial Data Specifications 126 Basic concepts 132 4.2 Protocol Logic Functions 134 Bit/Byte Order and Striping/Interleaving 134 Data Encoding and Scrambling 136 Error detection and correction 143 Parallel Data Interface 147 Bit alignment 152 Deskewing Multiple Serial Data Links 153 4.3 References and Additional reading 158 4. 4 Exercises 159 Chapter 5: Overview of protocol Standards..... 165 5. 1 SONET/SDH Networks 168 System Reference Model 169 STS-I Frame Format 170 STS-N Frame Format 174 Clock distribution and stratum Clocks 176 5.2 OIF Protocols 177 System Reference Model 177 SFI-5.2 Implementation Agreement 80 SPI-S Implementation agreement 184 CEI-P Implementation agreement 188 Electrical Layer Implementation Agreements 190 5. 3 Ethernet Protocols 197 Physical layer Reference Model 198 Media Access Control (MAC) Layer 201 XGMII Extender Sublayer (XGXs 204 10-Gb Serial Electrical Interface(XFD) 207 Backplane ethernet 213 PMD Sublayers for Electrical Variants 218 5.4 Fibre Channel (fc) storage area networks 220 Storage Area NetworkS (SANS) 220 Fibre Channel Protocol Layers 222 Framing and signaling 222 Physical Interfaces 229 10-Gbps Fibre Channel 236 5.5 PCI Express 237 PCI Express Architecture 238 Physical layer logic 241 Electrical Physical layer 246 Power states 249 PCI Express Implementation Example 250 Table of contents 5.6 References and Additional reading 251 5.7 Exercises 254 Chapter6: Reference clocks.……263 6. 1 Clock Distribution Network 263 Single-Ended vs Differential Reference Clocks 263 Reference Clock Sources 265 Special Timing Requirements 268 Special Test requirements 270 6.2 Clock Jitter 270 Jitter definitions 271 Jitter effects 276 PLL Jitter 277 6.3 Clock Floorplanning 281 Clock tree Architecture 281 Clock Tree wiring 282 6. 4 Signal Integrity of the Clock Network 283 Analog Signal Levels and Slew Rates 283 Duty Cycle distortion 286 Differential Clock Analysis methodole 288 6.5 References and Additional reading 293 6.6 Exercises 293 Chapter7:" Test and diagnostics∴.… 297 7. 1 IEEE JTAG 1149.1 and 1149.6 298 JTAG 1149.1 Overview 299 HSS Core Support for JTAG 1149.1 302 HSS Core Support for JTAG 1149.6 303 7.2 PRBS Testing and Loopback Paths 306 Loopback paths 306 PRBS Circuits and data patterns 309 PRBS Test sequence 314 7.3 Logic Built-In-Self-Test (LBIST) 317 LBIST Architecture 317 LBIST ConSiderations for hss cores 319 7. 4 Manufacturing Test 320 Chip level Test 320 HSS Macro Test 324 7.5 Characterization and Qualification Testing 327 Transmitter tests 328 Receiver tests 335 General tests 338 7.6 References and Additional reading 340 7. 7 Exercises 340

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