EE 330 Lect 2 Spring 2011

EE 330 Lect 2 - EE 330 Lecture 2 Basic Concepts Quiz 1 The International Technology Roadmap for Semiconductors(ITRS makes predictions on challenges

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Unformatted text preview: EE 330 Lecture 2 Basic Concepts Quiz 1 The International Technology Roadmap for Semiconductors (ITRS) makes predictions on challenges and trends in the semiconductor industry. What is the ITRS projecting for the supply voltage of digital ICs in 10 years? And the number is …. 6 3 1 2 4 5 7 8 9 And the number is …. 6 3 1 2 4 5 7 8 9 9 Quiz 1 The International Technology Roadmap for Semiconductors (ITRS) makes predictions on challenges and trends in the semiconductor industry. What is the ITRS projecting for the supply voltage of digital ICs in 10 years? Solution: Approximately 600mV Review from Last Time • Semiconductor Industry is One of the Largest Sectors in the World Economy and Growing • Rapidly Growing Device Count and Rapidly Shrinking Feature Sizes (Moore’s Law?) • Designers Must Handle Incredible Complexity Yet Work in Large Teams and Make Almost No Mistakes ITRS Technology Predictions ITRS 2004 Supply Voltage Predictions 0.5 1 1.5 2 2.5 3 3.5 2000 2005 2010 2015 2020 YEAR Volts Analog Digital Review from Last Time ITRS Technology Predictions Minimum ASIC Gate Length 20 40 60 80 100 120 2000 2005 2010 2015 2020 YEAR Length in nm Review from Last Time Considerable Cash Flow Inherent in the Semiconductor Industry Essentially All Activities Driven by Economic Considerations • Many Designs Cost Tens of Millions of Dollars • Mask Set and Production of New Circuit Approaching $2 Million • New Foundries Costs Approaching $10 Billion (few players in World can compete) • Many Companies Now Contract Fabrication (Fabless Semiconductor Companies) • Time to Market is Usually Critical • Single Design Error Often Causes Months of Delay and Requires New Mask Set • Potential Rewards in Semiconductor Industry are Very High Will emphasize economic considerations throughout this course Understanding of the Big Picture is Critical Solving Design Problems can be Challenging Be sure to solve the right problem ! How can complex circuits with a very large number of transistors be efficiently designed with low probability of error? • Many designers often work on a single design • Single error in reasoning, in circuit design, or in implementing circuit on silicon generally results in failure • Design costs and fabrication costs for test circuits are very high – Design costs for even rather routine circuits often a few million dollars and some...
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EE 330 Lect 2 - EE 330 Lecture 2 Basic Concepts Quiz 1 The International Technology Roadmap for Semiconductors(ITRS makes predictions on challenges

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