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VLSI Design Methodology Development
- ByThomas Dillinger
- Published Jun 17, 2019 by Pearson.
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Description
- Copyright 2019
- Pages: 752
- 版本:1
- eBook (Watermarked)
- ISBN-10: 0-13-573474-6
- ISBN-13: 978-0-13-573474-2
The Complete, Modern Tutorial on Practical VLSI Chip Design, Validation, and Analysis
As microelectronics engineers design complex chips using existing circuit libraries, they must ensure correct logical, physical, and electrical properties, and prepare for reliable foundry fabrication.VLSI Design Methodology Developmentfocuses on the design and analysis steps needed to perform these tasks and successfully complete a modern chip design.
Microprocessor design authority Tom Dillinger carefully introduces core concepts, and then guides engineers through modeling, functional design validation, design implementation, electrical analysis, and release to manufacturing. Writing from the engineer’s perspective, he covers underlying EDA tool algorithms, flows, criteria for assessing project status, and key tradeoffs and interdependencies. This fresh and accessible tutorial will be valuable to all VLSI system designers, senior undergraduate or graduate students of microelectronics design, and companies offering internal courses for engineers at all levels.
- Reflect complexity, cost, resources, and schedules in planning a chip design project
- Perform hierarchical design decomposition, floorplanning, and physical integration, addressing DFT, DFM, and DFY requirements
- Model functionality and behavior, validate designs, and verify formal equivalency
- 应用EDA工具逻辑合成,放置d routing
- Analyze timing, noise, power, and electrical issues
- Prepare for manufacturing release and bring-up, from mastering ECOs to qualification
This guide is for all VLSI system designers, senior undergraduate or graduate students of microelectronics design, and companies offering internal courses for engineers at all levels. It is applicable to engineering teams undertaking new projects and migrating existing designs to new technologies.
Sample Content
Table of Contents
Preface xiv
TOPIC I: OVERVIEW OF VLSI DESIGN METHODOLOGY 1
I.1 Methodology Guidelines for Logical and Physical Design Hierarchy Correspondence 6
I.2 Managing Inter-Block Glue Logic 8
Chapter 1 Introduction 13
1.1 Definitions 13
1.2 Intellectual Property (IP) Models 21
1.3 Tapeout and NRE Fabrication Cost 42
1.4 Fabrication Technology 44
1.5 Power and Clock Domains On-chip 105
1.6 Physical Design Planning 113
1.7 Summary 126
References 127
Further Research 129
Chapter 2 VLSI Design Methodology 131
2.1 IP Design Methodology 131
2.2 SoC Physical Design Methodology 141
2.3 EDA Tool and Release Flow Management 165
2.4 Design Methodology “Trailblazing” and Reference Flows 168
2.5 Design Data Management (DDM) 171
2.6 Power and Clock Domain Management 175
2.7 Design for Testability (DFT) 177
2.8 Design-for-Manufacturability (DFM) and Design-for-Yield (DFY) Requirements 184
2.9 Design Optimization 185
2.10 Methodology Checks 186
References 190
Further Research 190
Chapter 3 Hierarchical Design Decomposition 193
3.1 Logical-to-Physical Correspondence 193
3.2 Division of SRAM Array Versus Non-Array Functionality 197
3.3 Division of Dataflow and Control Flow Functionality 198
3.4 Design Block Size for Logic Synthesis and Physical Design 202
3.5电源和时钟域206年考虑
3.6 Opportunities for Reuse of Hierarchical Units 207
3.7 Automated Test Pattern Generation (ATPG) Limitations 208
3.8 Intangibles 211
3.9 The Impact of Changes to the SoC Model Hierarchy During Design 212
3.10 Generating Hierarchical Electrical Abstracts Versus Top-Level Flat Analysis 214
3.11 Methodologies for Top-Level Logical and Physical Hierarchies 216
3.12 Summary 218
References 219
Further Research 219
TOPIC II: MODELING 221
Chapter 4 Cell and IP Modeling 223
4.1 Functional Modeling for Cells and IP 223
4.2 Physical Models for Library Cells 240
4.3 Library Cell Models for Analysis Flows 241
4.4 Design for End-of-Life (EOL) Circuit Parameter Drift 251
4.5 Summary 253
References 253
Further Research 254
TOPIC III: DESIGN VALIDATION 257
Chapter 5 Characteristics of Functional Validation 259
5.1 Software Simulation 259
5.2 Testbench Stimulus Development 262
5.3 Hardware-Accelerated Simulation: Emulation and Prototyping 268
5.4 Behavioral Co-simulation 275
5.5 Switch-Level and Symbolic Simulation 275
5.6 Simulation Throughput and Resource Planning 281
5.7 Validation of Production Test Patterns 284
5.8 Event Trace Logging 288
5.9 Model Coverage Analysis 289
5.10 Switching Activity Factor Estimates for Power Dissipation Analysis 295
5.11 Summary 296
References 297
Further Research 298
Chapter 6 Characteristics of Formal Equivalency Verification 301
6.1 RTL Combinational Model Equivalency 301
6.2 State Mapping for Equivalency 302
6.3组合逻辑锥分析305
6.4 Use of Model Input Assertions for Equivalency 306
6.5 Sequential Model Equivalency 307
6.6 Functional and Test-Mode Equivalence Verification 309
6.7 Array Equivalence Verification 310
6.8 Summary 313
References 314
Further Research 314
TOPIC IV: DESIGN IMPLEMENTATION 317
Chapter 7 Logic Synthesis 319
7.1 Level of Hardware Description Language Modeling 319
7.2 Generation and Verification of Timing Constraints 320
7.3 Technology Mapping to the Cell Library 328
7.4 Signal Repowering and “High-Fan-out” Net Synthesis (HFNS) 335
7.5 Post-Synthesis Netlist Characteristics 339
7.6 Synthesis with a Power Format File 340
7.7 Post-Technology Mapping Optimizations for Timing and Power 343
7.8 Hold Timing Optimization 348
7.9 Clock Tree Synthesis (CTS) 350
7.10 Integration of Hard IP Macros in Synthesis 353
7.11 Low-Effort Synthesis (LES) Methodology 354
7.12 Summary 359
References 360
Further Research 360
Chapter 8 Placement 363
8.1 Global Floorplanning of Hierarchical Units 363
8.2 Parasitic Interconnect Estimation 366
8.3 Cell Placement 367
8.4 Clock Tree Local Buffer Placement 369
8.5 Summary 370
References 370
Further Research 370
Chapter 9 Routing 373
9.1 Routing Introduction 373
9.2 Global and Detailed Routing Phases 378
9.3 Back End Of Line Interconnect “Stacks” 383
9.4 Routing Optimizations 387
9.5 Summary 399
References 400
Further Research 400
TOPIC V: ELECTRICAL ANALYSIS 403
Chapter 10 Layout Parasitic Extraction and Electrical Modeling 405
10.1 Introduction 405
10.2 Cell- and Transistor-Level Parasitic Modeling for Cell Characterization 411
10.3 Decoupling Capacitance Calculation for Power Grid Analysis 431
10.4 Interconnect Extraction 433
10.5 “Selected Net” Extraction Options 438
10.6 RLC Modeling 439
10.7 Summary 439
References 440
Further Research 442
Chapter 11 Timing Analysis 443
11.1 Cell Delay Calculation 443
11.2 Interconnect Delay Calculation 446
11.3 Electrical Design Checks 452
11.4 Static Timing Analysis 453
11.5 Summary 469
References 470
Further Research 472
Chapter 12 Noise Analysis 475
12.1 Introduction to Noise Analysis 475
12.2 Static Noise Analysis, Part I 476
12.3 Noise Impact on Delay 481
12.4 Electrical Models for Static Noise Analysis 485
12.5 Static Noise Analysis, Part II 488
12.6 Summary 491
References 492
Further Research 493
Chapter 13 Power Analysis 495
13.1 Introduction to Power Analysis 495
13.2 Models for Switching Activity Power Dissipation 497
13.3 IP Power Models 501
13.4 Device Self-Heat Models 502
13.5 Design-for-Power Feedback from Power Analysis 504
13.6 Summary 505
References 506
Further Research 506
Chapter 14 Power Rail Voltage Drop Analysis 509
14.1 Introduction to Power Rail Voltage Drop Analysis 509
14.2 Static I*R Rail Analysis 512
14.3 Dynamic P/G Voltage Drop Analysis 513
14.4 Summary 526
References 526
Further Research 527
Chapter 15 Electromigration (EM) Reliability Analysis 529
15.1 Introduction to EM Reliability Analysis 529
15.2 Fundamentals of Electromigration 535
15.3 Power Rail Electromigration Analysis: powerEM 545
15.4 Signal Interconnect Electromigration Analysis: sigEM 548
15.5 Summary 555
References 555
Further Research 556
Chapter 16 Miscellaneous Electrical Analysis Requirements 559
16.1 SleepFET Power Rail Analysis 559
16.2 Substrate Noise Injection and Latchup Analysis 562
16.3 Electrostatic Discharge (ESD) Checking 568
16.4 Soft Error Rate (SER) Analysis 576
16.5 Summary 590
References 590
Further Research 591
TOPIC VI: PREPARATION FOR MANUFACTURING RELEASE AND BRING-UP 593
Chapter 17 ECOs 595
17.1 Application of an Engineering Change 595
17.2 ECOs and Equivalency Verification 599
17.3 Use of Post-Silicon Cells for ECOs 600
17.4 ECOs and Design Version Management 602
17.5 Summary 605
References 606
Further Research 606
Chapter 18 Physical Design Verification 607
18.1设计规则检查(DRC) 607
18.2 Layout-Versus-Schematic (LVS) Verification 610
18.3 Electrical Rule Checking (ERC) 616
18.4 Lithography Process Checking (LPC) 618
18.5 DRC Waivers 620
18.6 Summary 622
Further Research 622
Chapter 19 Design for Testability Analysis 625
19.1 Stuck-at Fault Models and Automated Test Pattern Generation (ATPG) 625
19.2 DFT Design Rule Checking 636
19.3 Memory Built-in Self-Test (MBIST) 638
19.4 Logic Built-in Self-Test (LBIST) 645
19.5 Delay Faults 659
19.6 Bridging Faults 664
19.7 Pattern Diagnostics 665
19.8 Summary 672
References 673
Further Research 674
Chapter 20 Preparation for Tapeout 677
20.1 Introduction to Tapeout Preparation 677
20.2 Foundry Interface Release Tapeout Options 678
20.3 Tapeout Checklist Review 684
20.4 Project Tapeout Planning 689
Further Research 692
Chapter 21 Post-Silicon Debug and Characterization (“Bring-up”) and Product Qualification 693
21.1 Systematic Test Fails 693
21.2 “Shmoo” of Performance Dropout Versus Frequency 695
21.3 Product Qualification 698
21.4 Summary 702
Reference 702
Further Research 703
Epilogue 705
Index 711