Preface to the first edition |
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xi | |
Preface to the second edition |
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xiii | |
Physical constants and unit conversions |
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xv | |
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xvi | |
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1 | (10) |
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1.1 Evolution of VLSI Device Technology |
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1 | (3) |
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1.1.1 Historical Perspective |
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1 | (3) |
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1.1.2 Recent Developments |
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4 | (1) |
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4 | (2) |
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1.2.1 Modern CMOS Transistors |
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4 | (1) |
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1.2.2 Modern Bipolar Transistors |
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5 | (1) |
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1.3 Scope and Brief Description of the Book |
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6 | (5) |
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11 | (137) |
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2.1 Electrons and Holes in Silicon |
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11 | (24) |
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2.1.1 Energy Bands in Silicon |
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11 | (6) |
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2.1.2 n-Type and p-Type Silicon |
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17 | (6) |
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2.1.3 Carrier Transport in Silicon |
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23 | (4) |
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2.1.4 Basic Equations for Device Operation |
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27 | (8) |
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35 | (37) |
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2.2.1 Energy-Band Diagrams for a p-n Diode |
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35 | (3) |
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38 | (8) |
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46 | (5) |
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2.2.4 Current-Voltage Characteristics |
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51 | (13) |
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2.2.5 Time-Dependent and Switching Characteristics |
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64 | (6) |
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2.2.6 Diffusion Capacitance |
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70 | (2) |
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72 | (36) |
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2.3.1 Surface Potential: Accumulation, Depletion, and Inversion |
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72 | (6) |
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2.3.2 Electrostatic Potential and Charge Distribution in Silicon |
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78 | (7) |
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2.3.3 Capacitances in an MOS Structure |
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85 | (6) |
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2.3.4 Polysilicon-Gate Work Function and Depletion Effects |
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91 | (3) |
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2.3.5 MOS under Nonequilibrium and Gated Diodes |
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94 | (4) |
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2.3.6 Charge in Silicon Dioxide and at the Silicon-Oxide Interface |
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98 | (5) |
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2.3.7 Effect of Interface Traps and Oxide Charge on Device Characteristics |
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103 | (5) |
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2.4 Metal-Silicon Contacts |
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108 | (14) |
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2.4.1 Static Characteristics of a Schottky Barrier Diode |
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108 | (7) |
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2.4.2 Current Transport in a Schottky Barrier Diode |
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115 | (1) |
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2.4.3 Current-Voltage Characteristics of a Schottky Barrier Diode |
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115 | (5) |
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120 | (2) |
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122 | (26) |
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2.5.1 Impact Ionization and Avalanche Breakdown |
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122 | (3) |
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2.5.2 Band-to-Band Tunneling |
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125 | (2) |
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2.5.3 Tunneling into and through Silicon Dioxide |
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127 | (6) |
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2.5.4 Injection of Hot Carriers from Silicon into Silicon Dioxide |
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133 | (2) |
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2.5.5 High-Field Effects in Gated Diodes |
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135 | (2) |
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2.5.6 Dielectric Breakdown |
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137 | (4) |
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141 | (7) |
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148 | (56) |
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148 | (27) |
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3.1.1 Drain-Current Model |
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149 | (6) |
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3.1.2 MOSFET I-V Characteristics |
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155 | (8) |
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3.1.3 Subthreshold Characteristics |
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163 | (3) |
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3.1.4 Substrate Bias and Temperature Dependence of Threshold Voltage |
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166 | (3) |
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3.1.5 MOSFET Channel Mobility |
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169 | (3) |
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3.1.6 MOSFET Capacitances and Inversion-Layer Capacitance Effect |
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172 | (3) |
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3.2 Short-Channel MOSFETs |
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175 | (29) |
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3.2.1 Short-Channel Effect |
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176 | (10) |
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3.2.2 Velocity Saturation and High-Field Transport |
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186 | (9) |
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3.2.3 Channel Length Modulation |
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195 | (1) |
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3.2.4 Source-Drain Series Resistance |
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196 | (1) |
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3.2.5 MOSFET Degradation and Breakdown at High Fields |
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196 | (5) |
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201 | (3) |
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204 | (52) |
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204 | (8) |
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4.1.1 Constant-Field Scaling |
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204 | (3) |
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4.1.2 Generalized Scaling |
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207 | (3) |
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210 | (2) |
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212 | (30) |
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4.2.1 Threshold-Voltage Requirement |
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213 | (4) |
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4.2.2 Channel Profile Design |
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217 | (7) |
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224 | (10) |
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4.2.4 Quantum Effect on Threshold Voltage |
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234 | (5) |
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4.2.5 Discrete Dopant Effects on Threshold Voltage |
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239 | (3) |
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4.3 MOSFET Channel Length |
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242 | (14) |
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4.3.1 Various Definitions of Channel Length |
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242 | (2) |
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4.3.2 Extraction of the Effective Channel Length |
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244 | (4) |
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4.3.3 Physical Meaning of Effective Channel Length |
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248 | (4) |
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4.3.4 Extraction of Channel Length by C-V Measurements |
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252 | (2) |
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254 | (2) |
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5 CMOS Performance Factors |
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256 | (62) |
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5.1 Basic CMOS Circuit Elements |
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256 | (17) |
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256 | (10) |
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5.1.2 CMOS NAND and NOR Gates |
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266 | (4) |
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5.1.3 Inverter and NAND Layouts |
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270 | (3) |
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273 | (16) |
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5.2.1 Source-Drain Resistance |
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274 | (3) |
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5.2.2 Parasitic Capacitances |
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277 | (3) |
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280 | (3) |
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5.2.4 Interconnect R and C |
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283 | (6) |
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5.3 Sensitivity of CMOS Delay to Device Parameters |
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289 | (18) |
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5.3.1 Propagation Delay and Delay Equation |
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289 | (7) |
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5.3.2 Delay Sensitivity to Channel Width, Length, and Gate Oxide Thickness |
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296 | (3) |
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5.3.3 Sensitivity of Delay to Power-Supply Voltage and Threshold Voltage |
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299 | (2) |
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5.3.4 Sensitivity of Delay to Parasitic Resistance and Capacitance |
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301 | (3) |
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5.3.5 Delay of Two-Way NAND and Body Effect |
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304 | (3) |
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5.4 Performance Factors of Advanced CMOS Devices |
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307 | (11) |
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5.4.1 MOSFETs in RF Circuits |
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308 | (3) |
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5.4.2 Effect of Transport Parameters on CMOS Performance |
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311 | (1) |
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5.4.3 Low-Temperature CMOS |
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312 | (3) |
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315 | (3) |
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318 | (56) |
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318 | (9) |
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6.1.1 Basic Operation of a Bipolar Transistor |
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322 | (1) |
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6.1.2 Modifying the Simple Diode Theory for Describing Bipolar Transistors |
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322 | (5) |
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6.2 Ideal Current-Voltage Characteristics |
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327 | (10) |
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329 | (1) |
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330 | (4) |
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334 | (2) |
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6.2.4 Ideal Ic-VCe Characteristics |
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336 | (1) |
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6.3 Characteristics of a Typical n-p-n Transistor |
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337 | (15) |
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6.3.1 Effect of Emitter and Base Series Resistances |
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338 | (2) |
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6.3.2 Effect of Base-Collector Voltage on Collector Current |
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340 | (3) |
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6.3.3 Collector Current Falloff at High Currents |
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343 | (4) |
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6.3.4 Nonideal Base Current at Low Currents |
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347 | (5) |
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6.4 Bipolar Device Models for Circuit and Time-Dependent Analyses |
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352 | (14) |
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352 | (3) |
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355 | (1) |
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6.4.3 Small-Signal Equivalent-Circuit Model |
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356 | (3) |
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6.4.4 Emitter Diffusion Capacitance |
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359 | (2) |
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6.4.5 Charge-Control Analysis |
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361 | (5) |
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366 | (8) |
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6.5.1 Common-Base Current Gain in the Presence of Base-Collector Junction Avalanche |
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367 | (2) |
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6.5.2 Saturation Currents in a Transistor |
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369 | (1) |
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6.5.3 Relation Between BVCEO and BVCBO |
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370 | (1) |
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371 | (3) |
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374 | (63) |
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7.1 Design of the Emitter Region |
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374 | (3) |
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7.1.1 Diffused or Implanted-and-Diffused Emitter |
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375 | (1) |
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7.1.2 Polysilicon Emitter |
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376 | (1) |
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7.2 Design of the Base Region |
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377 | (8) |
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7.2.1 Relationship between Base Sheet Resistivity and Collector Current Density |
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378 | (2) |
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7.2.2 Intrinsic-Base Dopant Distribution |
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380 | (1) |
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7.2.3 Electric Field in the Quasineutral Intrinsic Base |
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381 | (3) |
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384 | (1) |
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7.3 Design of the Collector Region |
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385 | (4) |
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7.3.1 Collector Design When There Is Negligible Base Widening |
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387 | (1) |
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7.3.2 Collector Design When There Is Appreciable Base Widening |
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388 | (1) |
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7.4 SiGe-Base Bipolar Transistors |
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389 | (40) |
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7.4.1 Transistors Having a Simple Linearly Graded Base Bandgap |
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390 | (6) |
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7.4.2 Base Current When Ge Is Present in the Emitter |
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396 | (5) |
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7.4.3 Transistors Having a Trapezoidal Ge Distribution in the Base |
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401 | (5) |
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7.4.4 Transistors Having a Constant Ge Distribution in the Base |
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406 | (4) |
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7.4.5 Effect of Emitter Depth Variation on Device Characteristics |
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410 | (4) |
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7.4.6 Some Optimal Ge Profiles |
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414 | (5) |
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7.4.7 Base-Width Modulation by VBE |
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419 | (4) |
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7.4.8 Reverse-Mode I-V Characteristics |
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423 | (3) |
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7.4.9 Heterojunction Nature of a SiGe-Base Bipolar Transistor |
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426 | (3) |
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7.5 Modern Bipolar Transistor Structures |
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429 | (8) |
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7.5.1 Deep-Trench Isolation |
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429 | (1) |
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7.5.2 Polysilicon Emitter |
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430 | (1) |
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7.5.3 Self-Aligned Polysilicon Base Contact |
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430 | (1) |
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431 | (1) |
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431 | (1) |
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432 | (5) |
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8 Bipolar Performance Factors |
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437 | (39) |
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8.1 Figures of Merit of a Bipolar Transistor |
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437 | (4) |
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437 | (3) |
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8.1.2 Maximum Oscillation Frequency |
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440 | (1) |
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8.1.3 Ring Oscillator and Gate Delay |
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440 | (1) |
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8.2 Digital Bipolar Circuits |
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441 | (6) |
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8.2.1 Delay Components of a Logic Gate |
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442 | (3) |
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8.2.2 Device Structure and Layout for Digital Circuits |
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445 | (2) |
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8.3 Bipolar Device Optimization for Digital Circuits |
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447 | (10) |
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8.3.1 Design Points for a Digital Circuit |
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447 | (1) |
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8.3.2 Device Optimization When There Is Significant Base Widening |
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448 | (1) |
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8.3.3 Device Optimization When There Is Negligible Base Widening |
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449 | (4) |
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8.3.4 Device Optimization for Small Power-Delay Product |
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453 | (2) |
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8.3.5 Bipolar Device Optimization from Some Data Analyses |
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455 | (2) |
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8.4 Bipolar Device Scaling for ECL Circuits |
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457 | (6) |
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8.4.1 Device Scaling Rules |
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458 | (2) |
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8.4.2 Limits in Bipolar Device Scaling for ECL Circuits |
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460 | (3) |
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8.5 Bipolar Device Optimization and Scaling for RF and Analog Circuits |
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463 | (6) |
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8.5.1 The Single-Transistor Amplifier |
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463 | (1) |
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8.5.2 Optimizing the Individual Parameters |
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464 | (3) |
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8.5.3 Technology for RF and Analog Bipolar Devices |
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467 | (1) |
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8.5.4 Limits in Scaling Bipolar Transistors for RF and Analog Applications |
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468 | (1) |
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8.6 Comparing a SiGe-Base Bipolar Transistor with a GaAs HBT |
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469 | (7) |
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472 | (4) |
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476 | (41) |
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9.1 Static Random-Access Memory |
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477 | (18) |
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478 | (8) |
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9.1.2 Other Bistable MOSFET SRAM Cells |
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486 | (1) |
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487 | (8) |
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9.2 Dynamic Random-Access Memory |
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495 | (5) |
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9.2.1 Basic DRAM Cell and Its Operation |
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496 | (3) |
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9.2.2 Device Design and Scaling Considerations for a DRAM Cell |
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499 | (1) |
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500 | (17) |
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9.3.1 MOSFET Nonvolatile Memory Devices |
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501 | (6) |
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9.3.2 Flash Memory Arrays |
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507 | (4) |
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9.3.3 Floating-Gate Nonvolatile Memory Cells |
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511 | (3) |
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9.3.4 Nonvolatile Memory Cells with Charge Stored in Insulator |
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514 | (2) |
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516 | (1) |
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10 Silicon-on-Insulator Devices |
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517 | (106) |
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517 | (6) |
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10.1.1 Partially Depleted SOI MOSFETs |
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518 | (2) |
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10.1.2 Fully Depleted SOI MOSFETs |
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520 | (3) |
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10.2 Thin-Silicon SOI Bipolar |
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523 | (6) |
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10.2.1 Fully Depleted Collector Mode |
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524 | (2) |
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10.2.2 Partially Depleted Collector Mode |
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526 | (1) |
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10.2.3 Accumulation Collector Mode |
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527 | (1) |
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527 | (2) |
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529 | (94) |
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10.3.1 An Analytic Drain Current Model for Symmetric DG MOSFETs |
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529 | (4) |
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10.3.2 The Scale Length of Double-Gate MOSFETs |
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533 | (1) |
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10.3.3 Fabrication Requirements and Challenges of DG MOSFETs |
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534 | (2) |
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10.3.4 Multiple-Gate MOSFETs |
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536 | (1) |
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537 | (1) |
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Appendix 1 CMOS Process Flow |
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538 | (4) |
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Appendix 2 Outline of a Process for Fabricating Modern n-p-n Bipolar Transistors |
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542 | (1) |
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Appendix 3 Einstein Relations |
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543 | (3) |
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Appendix 4 Spatial Variation of Quasi-Fermi Potentials |
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546 | (7) |
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Appendix 5 Generation and Recombination Processes and Space-Charge-Region Current |
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553 | (9) |
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Appendix 6 Diffusion Capacitance of a p-n Diode |
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562 | (7) |
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Appendix 7 Image-Force-Induced Barrier Lowering |
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569 | (4) |
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Appendix 8 Electron-Initiated and Hole-Initiated Avalanche Breakdown |
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573 | (2) |
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Appendix 9 An Analytical Solution for the Short-Channel Effect in Subthreshold |
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575 | (7) |
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Appendix 10 Generalized MOSFET Scale Length Model |
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582 | (6) |
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Appendix 11 Drain Current Model of a Ballistic MOSFET |
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588 | (6) |
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Appendix 12 Quantum-Mechanical Solution in Weak Inversion |
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594 | (4) |
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Appendix 13 Power Gain of a Two-Port Network |
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598 | (3) |
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Appendix 14 Unity-Gain Frequencies of a MOSFET Transistor |
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601 | (4) |
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Appendix 15 Determination of Emitter and Base Series Resistances |
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605 | (5) |
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Appendix 16 Intrinsic-Base Resistance |
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610 | (4) |
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Appendix 17 Energy-Band Diagram of a Si-SiGe n-p Diode |
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614 | (3) |
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Appendix 18 fT and fmax of a Bipolar Transistor |
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617 | (6) |
References |
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623 | (21) |
Index |
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644 | |