2025-26 Semester 2 EE226 Semiconductor Devices (Instructor)
2025-26 Semester 2 EE658 Memory Device Technologies and Applications (Instructor)
2025-26 Semester 1 EE226 Semiconductor Devices (Instructor)
2024-25 Semester 2 EE658 Memory Device Technologies and Applications (Instructor)
2024-25 Semester 1 EE221 Electronic Devices (Instructor)
2024-25 Semester 1 ES626 Microfabrication and Semiconductor Processes (Instructor)
2023-24 Semester 2 ES626 Microfabrication and Semiconductor Processes (Instructor)
2023-24 Semester 1 EE658 Memory Device Technologies and Applications (Instructor)
2023-24 Semester 1 ES331 Probability and Random Processes (Tutor)
2023-24 Semester 1 EE221 Electronic Devices (Tutor)
Course Contents:
EE658 Memory Device Technologies and Applications
Review of a computer system; Memory hierarchy; Semiconductor memory overview; Memory comparison, tradeoffs, and challenges; volatile & non-volatile memories. SRAM, DRAM: Review of Device basic structure; memory unit cell operation; Array Operation; Reliability; Current Advances; Non-volatile memory - FLASH: Floating Gate (FG) & Charge Trap (CT) flash; Flash memory physics; NAND vs NOR flash; Multi-bit capability (MLC); Reliability and scaling issues; Current Advances: Nanocrystal; 3D NAND. Emerging Non-volatile Memories (eNVM), Resistive RAM (RRAM): Unipolar and Bipolar; Filamentary & non-filamentary; Ion transport; multi-bit operation; reliability; Selector devices for memories. Phase change memory (PCM); Conductive bridge RAM (CBRAM); Ferroelectric RAM (FeRAM); Spin-transfer Torque Magnetic RAM (STT-MRAM) - Device physics and operation; eNVM performance comparison; eNVM challenges and opportunities to replace existing memory; eNVM modeling, Memory Architecture and applications: Memories for Neuromorphic computing; In-memory computing applications using memories; Security applications using memories; System-level implementation and challenges;
EE221 Electronic Devices
Semiconductor Devices overview: An overview of semiconductor devices currently available, History & Industry. Properties of Semiconductors devices: Crystal Properties, Energy Bands, Charge Carrier in Semiconductors, Excess Carriers in Semiconductors, Recombination-Generation, Carrier Transport & Continuity Equation. Semiconductor devices: Basic structure, operation, Ideal and Non-ideal I-V characteristics: Resistor, Capacitor, PN junction Diode, Avalanche Diode, Tunnel Diode, Schottky Diode, Bipolar Junction Transistor, Metal Oxide Semiconductor Field Effect Transistor. Special semiconductor devices: Basic structure, operation, I-V characteristics, ideal and non-ideal characteristics: Light Emitting Diodes, Lasers, Solar Cell. ESD protection diodes: Advances in MOSFETs: FinFET, Nanosheet FET, Power MOSFET, High Electron Mobility Transistor (HEMT). Memories: Overview of Conventional and Emerging Memories
ES626 Microfabrication and Semiconductor Processes
Introduction to Modern CMOS technology, Overview of semiconductor materials and devices, Crystal growth and silicon wafers. Semiconductor Processes: Cleaning, Thermal oxidation, Ion implantation, Diffusion, Lithography, Thin film deposition and Etching, Process Induced Strain, Metallization and Planarization, Process integration, Packaging. Advanced semiconductor device fabrication processes (FinFETs, SOI, FLASH, GAAFET), Current trends
EE226 Semiconductor Devices
Module 1: An overview of semiconductor devices: History & current Industry, Semiconductor Basics: Temperature dependence, Bandgap, Doping, Effect of electric field (drift), Effect of doping or temperature gradient (diffusion), Module 2: PN Junction Diode: Basic structure, Physics and Operation, I-V characteristics Electrical Applications: Switch, Avalanche/Zener diode (Wave shaping circuits – rectifier, clamp etc), Tunnel diode, Varactor, Optoelectronics Applications: Light Emitting Diode (LED), Photo Diode, Solar Cell, Module 3: Bipolar Junction Transistor (BJT):Basic structure, Physics and Operation, I-V characteristics, Applications, Advances in BJT - Heterojunction Bipolar Transistor (HBT) - Physics and Operation, Module 4: Metal Oxide Semiconductor Field Effect Transistor (MOSFET),Basic structure, Physics and Operation, I-V characteristics, Applications, Advances in MOSFET - FinFET, GAAFET - Physics and Operation, Module 5: Memory Devices, Volatile and Non-Volatile Memories, Flash Memory - Basic structure, Physics and Operation, Overview of Emerging Non-Volatile Memories