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EECS 105: Lecture 1, Introduction © 2004 B. Boser 1
Microelectronic Devices and Circuits• What is it?• Why is this important? Course objective• “Moore’s Law”– # xtrs exponential for 40+ years (unique)• IC complexity
– Better, faster, cheaper & higher volume• Xtr cost, processor performance, ADC performance
– Future direction• Technology constraints– Size – why is smaller better?– Power– Interconnects
• Business constraints– IC revenue– GDP
• Course syllabus
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EECS 105: Lecture 1, Introduction © 2004 B. Boser 2
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EECS105: Introduction to ICs
• ICs are enabling component for electronic systems, e.g.– Computers– Cellular telephony– WiFi– Electronic entertainment
• IC characteristics are changing exponentially• What’s next?
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EECS 105 Questions
• Circuit related• Trend … where are we in 5 years?• Why is scaling improving circuit
performance?• What about power?• When is X economically feasible?
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Why Digital Processing?• Digital circuitry:– Cost/function decreases by 29% each year– That’s 30X in 10 years
• Analog circuitry:– Cost/function is constant– Dropping supply voltages threaten feasibility
Ref: International Technology Roadmap for Semiconductors, http://public.itrs.net
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105 Syllabus
• Devices for circuits• Amplifiers• Small signal model• Biasing• IC technology & layout• Frequency response• Advanced topics
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105 Logistics
• Lectures• Discussion• Homework• Labs• Office Hours• Course Participation
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Collaboration
• Collaboration is encouraged for– Homework– Laboratory (groups of 2)
• But:– Submit genuine homework, lab report– No photocopies– No collaboration in exams …
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Challenge of IC Fabrication• No other EE discipline is less forgiving of errors– You can change PLD’s or software in a day– You can build and test a printed circuit board in a week– It takes months to tape out and fabricate a chip– Debugging and characterizing a (defective) chip also takes
months
• State-of-the-art chips are never perfect– But they have to be good enough for someone to buy them– If you want to sell bugs, try a career in software
(quote from Eric Swanson)