3/10/2013. Lecture #1. How small is Nano? (A movie) What is Nanotechnology? What is Nanoelectronics? What are Emerging Devices?
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1 EECS 498/598: Nanocircuits and Nanoarchitectures Lecture 1: Introduction to Nanotelectronic Devices (Sept. 5) Lectures 2: ITRS Nanoelectronics Road Map (Sept 7) Lecture 3: Nanodevices; Guest Lecture by Prof. Lu (Sept. 12) EECS 498/598: Nanocircuits and Nanoarchitectures Instructor: Prof. Pinaki Mazumder Tuesday and 3:00 4:30 p.m. Lecture 1: Introduction to Nanoelectronics Lecture 4: Overview of Photonics Device; Guest Lecture by Prof. Ku (Sept. 14) Lectures 5: Quantum Device Modeling for Nano-CAD (Sept 19) Lectures 6-8: RTD-Based Digital Circuit Design (Sept 21, 26, 28) Lectures 9-12: Class Presentations (ITRS) (Sept. 30, Oct. 3, Oct. 5, Oct. 10) Lecture 13: Cellular Nonlinear Network Nanoarchitectures (Oct 12) Lecture 14: Quantum-Dot Based Logic and Local Computational Models (Oct 19) Lectures 15 & 16: Molecular Electronics Circuits (Oct 24, Oct 26) Lectures 17-21: Class Presentations (Oct. 31, Nov 2, Nov 7, Nov 9, Nov 14) Lecture 22: Nano Tube/Nano Wire Based Digital Logic Design (Nov 16) Lectures 23 & 24: Quantum Cellular Array Based Logic Circuits (Nov 21, Nov 28) Lectures 25: Miscellaneous Topics like Photonics, Plasmonics, Quantum Computing, etc. (Nov 28) Lectures 26-29: Project Presentations (Dec 1, Dec 5, Dec 7, Dec 12) Lecture #1 How small is Nano? (A movie) What is Nanotechnology? What is Nanoelectronics? What are Emerging Devices? About the Course 1
2 x1 X0.1 Power of 10 A sense of nanoscale x.001 x.01 X1 Courtesy Mark Rattner Definition of Nanotechnology Working at the atomic, molecular, supermolecular levels, in the length scale approximately 1-10 nm range, in order to understand and create materials, devices and systems with fundamentally new properties and functions because of their small structure --- Mike Roco, National Nanotechnology Initiative (NNI). However, Intel prefers the range from nm so that conventional CMOS devices (< 90 nm) are part of Nanoelectronics Evolution. 2
3 Multiple Perspectives of Roadmap for Nanoelectronics Intel Perspective (shrinking driven) Nano-scale CMOS, Nanowire FET, Carbon Nano Tube (CNT) FET Brick Wall Perspective Post CMOS Devices in post-shrinking era Concurrent Advancements (ITRS Roadmap) Evolutionary v. Revolutionary Devices Intel Device Roadmap Intel keeps startling the Nano world by inventing yet smaller CMOS FET s 10,000 times faster than CMOS 3
4 DARPA Si Nanoelectronics Research Vision Cost (uc/device) Silicide, Local interconnect Cu Low k SOI No known solutions -SIA 97 QMOS Delay x Power (fj/device) INTEL Model 1 Feature Size Production Yr. 1 V gs = V gs = 4 V gs = 3 Change of Electronic Transport Mode V gs = 2 V gs = Brick Wall Perspective RTD 1/Size Vertical Gate Structure RTD RTD Single Electronics Molecular Switch Bulk CMOS SOI Brick-wall Model Nanotubes Today Source: TI, Denny Buss, ICECS2001 4
5 CONCURRENT ADVANCEMENTS Evolution of CMOS and Revolutionary Devices Concurrent Model of the Roadmap Intel Tri-gate FET ITRS IBM researchers use a single carbon nanotube bundle (blue) to fashion a logic circuit on a substrate patterned with three gold electrodes (yellow). By selectively removing part of a protective polymer coat (PMMA), the group is able to form the needed p-type and n-type transistors within the single nanotube bundle. 5
6 Outer Barriers Inter-dot Barriers Quantum Cellular Array (QCA) Each cell is occupied by two electrons. There are two ground-state configurations, corresponding to polarizations of +1 and 1. Cell (Square) and Quantum Dot (Circle) Quantum Cellular Array (QCA) Quantum Dots can be configured into various types of logic blocks Like the majority gate, full adder, memory, registers, etc. Majority logic of QCA is used cell 1 cell 2 cell 5 P= -1 Logic 0 P= +1 Logic 1 cell 3 cell 4 Diagram by P. Wu 6
7 7
8 EECS 498/598: Nanocircuits and Nanoarchitectures Lecture 1: Introduction to Nanotelectronic Devices (Sept. 5) Lectures 2: ITRS Nanoelectronics Road Map (Sept 7) Lecture 3: Nanodevices; Guest Lecture by Prof. Lu (Sept. 12) Lecture 4: Overview of Photonics Device; Guest Lecture by Prof. Ku (Sept. 14) Lectures 5: Quantum Device Modeling for Nano-CAD (Sept 19) Lectures 6-8: RTD-Based Digital Circuit Design (Sept 21, 26, 28) Lectures 9-12: Class Presentations (ITRS) (Sept. 30, Oct. 3, Oct. 5, Oct. 10) Lecture 13: Cellular Nonlinear Network Nanoarchitectures (Oct 12) Lecture 14: Quantum-Dot Based Logic and Local Computational Models (Oct 19) Lectures 15 & 16: Molecular Electronics Circuits (Oct 24, Oct 26) Lectures 17-21: Class Presentations (Oct. 31, Nov 2, Nov 7, Nov 9, Nov 14) Lecture 22: Nano Tube/Nano Wire Based Digital Logic Design (Nov 16) Lectures 23 & 24: Quantum Cellular Array Based Logic Circuits (Nov 21, Nov 28) Lectures 25: Miscellaneous Topics like Photonics, Plasmonics, Quantum Computing, etc. (Nov 28) Lectures 26-29: Project Presentations (Dec 1, Dec 5, Dec 7, Dec 12) Evaluation Criteria: 1. In-class presentation (2) 2. Written assignment related to presentation 3. Final project To be discussed Final Report Presentation Grading: Average grade: A- (undergrad) Average grade: A A- (grad) Points Allocation: Two presentations (30%) Two assignments (20%) Final Project (50%) (distribution is subject to change) END OF LECTURE 1 EECS 498/598: Nanocircuits and Nanoarchitectures Instructor: Prof. Pinaki Mazumder Tuesday and 3:00 4:30 p.m. Lecture 2: ITRS Roadmap & Nano Devices 8
9 Nanotechnology Industry Segmentation Hybrid Materials 34% Information Technology 20% ITRS ROADMAP FOR EMERGINE MODELS & TECHNOLOGIES Other 10% Medical/Healthcare 8% Nano MEMS 11% Semiconductor 17% MEMORY ARRAYS LOGIC CIRCUITS ARCHITECTURES RISK & PAYOFF; CHALLENGES & OPPORTUNITIES ITRS 2005 Road Map 9
10 < 30 = (PC*RC) < 40 <50 >50 Performance Criterion (PC): 3 better, Prof. P. 2 Mazumder comparable, 1 worse than CMOS Risk Criterion (RC): 3 Low Risk, 2 Moderate Risk, 1 High Risk < 30 = (PC*RC) < 40 <50 >50 Evaluation Criteria for an Emergent Technology CMOS Architecture Compatibility Scalability Performance CMOS Compatibility RTD & QD Energy Efficiency Fall Performance 2006 Criteria: 3 superior Prof. to, P. 2 Mazumder comparable with, 1 inferior to CMOS Risk Criteria: 3 Low Risk, 2 Moderate Risk, 1 High Risk Room Temperature Operation Operational Reliability 10
11 Evaluation Criteria for an Emergent Technology CMOS Architecture Compatibility Scalability Performance Spin FET CMOS Compatibility RTD & QD Molecular Energy Efficiency CNT Room Temperature Operation Prof. Operational P. Mazumder Reliability SET 11
12 12
13 State 0 State 1 Silicon Nanoelectronics Nano-CMOS (nm) Gate Length Silicon Story GB (2015) 1 1.E Prof. year P. Mazumder Source: IEEE C&D Mag DRAM 1.4 Times/Year Increasing Technology difficulty 1TB1 TB (2023) (2023) Neuron Number in Brain 18 1.E E E E E E E E E E Transistor Number per chip 13
14 Silicon Nanoelectronics Nano-CMOS 100b 10b 1b 100,000 10,000 CPU with Multimedia Capability Number of transistors on a chip in thousands Moore s law prediction processors 1-billion transistors Pentium 1,000 III Xeon Pentium III 4004 Pentium II 8086 Pentium Pro 10 Pentium '70 '75 '80 '85 '90 Prof. '95 P. Mazumder '00 '05 '10 '15 Nanoelectronics and Gigascale Systems Lab. 100-billion transistors Courtesy: P. Wu Nanoarchitectures 14
15 Evaluation Criteria for an Emergent Technology CMOS Architecture Compatibility Scalability Performance Spin FET CMOS Compatibility RTD & QD Molecular Energy Efficiency CNT Room Temperature Operation Prof. Operational P. Mazumder Reliability SET 15
16 Evaluation Criteria for an Emergent Technology Monochromatic Image Processor 1.0 CMOS Architecture Compatibility Scalability Performance V(f m,f n )/I B R 0.5 Spin FET CMOS Compatibility RTD & QD Molecular Energy Efficiency V ( z m, z n ) Z-transform of a QD pair = I R cos 2 f m 2 1 cos 2 f n f n f m CNT Connecting Resistance Defines the Room Temperature Mutual Voltage between a pair of QD s Operation Prof. Operational P. Mazumder Reliability SET Nanoscale Nonlinear Circuit Theory Edge Detection by QDA Gray Binary Conversion 0 ns 2 ns 1 ns Vertical Line Detection (VLD) 0 ns 6 ns Image Processor is being 5 ns fabricated and tested 6 ns under a NIRT project 16
17 17
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