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EE 105 Microelectronic Devices and Circuits Bernhard E. Boser University of California, Berkeley boser@eecs.berkeley.edu Copyright © 2012 by Bernhard Boser B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 1 Overview • Microelectronic Devices and Circuits – What is microelectronics? – What are microelectronic devices? • Administrative – People (instructor, buddies, GSIs, reader) – Website(s) – Syllabus, exam dates – Textbook – Assignments – Discussions – Labs – Grades • Microelectronic Devices B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 2 What is Microelectronics? B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 3 Electronic Circuits B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 4 What’s inside the box? B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 5 And are Microchips made of? B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 6 What’s the fuss about Microelectronics? B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 7 Size Ref: Gordon Moore, ISSCC 2003 B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 8 Performance Ref: preshing.com B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 9 Moore’s Law B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 10 Microelectronics in 3 bullets B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 11 Administrative B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 12 Prof. Bernhard Boser B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 13 B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 14 Introductions • Ashkan Borna • Brian Lambson • Michael Roe • YongKeong Yap B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 15 Course Web • Bspace – Links to everything – Grades (check regularly!) • If you cannot access bspace: http://www.eecs.berkeley.edu/~boser/courses/105 B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 16 Textbook • You’ll have to read it • Homework tells you what • The lecture does not repeat the book • Typically the reading is ahead of the lecture • Enables meaningful in-class discussions B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 17 Webcast B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 18 Lecture Notes • Posted on course-web after the lecture B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 19 Syllabus & Exam Dates B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 20 Assignments • Posted Friday • Due following Friday • 6-10 hours to complete – Reading – Problem solving • Get help from – – – – – – – • Instructor GSIs Friends Discussions Piazza Google … But turn in your own work! B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 21 Discussions B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 22 Laboratories • You must complete all labs to pass the course! • 3 hour lab sessions – Do prelabs to finish on time – Makeup labs if you miss one or do not finish • Work in groups of two – Not three (or four or …) – One feels lonely • Sign up for lab NOW – Mike to mike B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 23 Grades • Homework (15%) • Labs (15%) You must complete all labs to pass the course! • Midterms (30%) • Final (40%) B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 24 Questions … B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 25 Microelectronic Devices B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 26 Devices • Resistors B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 27 Active Devices B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 28 Active Device Requirements • Modulate current flow B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 29 Active Device Examples B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 30 Semiconductors B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 31 Conductors, Insulators, Semiconductors B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 32 Semiconductors III B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits IV V 33 Silicon Crystal Density: 5 x 1022 atoms / cm3 Distance between atoms: 0.22 nm B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 34 Bandgap B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 35 Intrinsic Carrier Concentration ni 1 10 12 12 10 1 10 11 1 10 10 n i T xT 0 3 1 10 9 cm 1 10 8 1 10 7 6 10 1 106 55 B. E. Boser 40 20 0 20 40 Tx EE 105 Lecture 1: Microelectronic Devices and Circuits 60 80 85 36 Semiconductors Summary B. E. Boser EE 105 Lecture 1: Microelectronic Devices and Circuits 37