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L01 Overview - 6.371 Intro to VLSI Systems Fall 2002...

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L01 – VLSI Overview 1 6.371 – Fall 2002 09/04/02 6.371 Intro to VLSI Systems Fall 2002 Lecturers: Krste Asanovic, Chris Terman Website: http://6371.lcs.mit.edu
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L01 – VLSI Overview 2 6.371 – Fall 2002 09/04/02 Modern systems engineering Personal Computer: Hardware & Software Circuit Board: 8 / system 1-2G devices Integrated Circuit: 8-16 / PCB .25M-16M devices Module: 8-16 / IC 100K devices Cell: 1K-10K / Module 16-64 devices Gate: 2-16 / Cell 8 devices Scheme for representing information MOSFET
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L01 – VLSI Overview 3 6.371 – Fall 2002 09/04/02 So, what’s 6.371 all about? You’ll get a top-down tour of how integrated circuits are engineered. We’ll talk about how you tackle the problem of designing circuits with millions of gates – and have everything work the first time! how architectural and implementation choices are affected by the target technology (in our case, CMOS) various design and layout techniques for creating combinational and sequential circuits, datapaths, memories, buffers, regular logic structures, … computer-aided design (CAD) tools – letting programs do the heavy lifting. The fun part: you’ll get to try it yourself in the labs!
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L01 – VLSI Overview 4 6.371 – Fall 2002 09/04/02 What’s expected of you Design exercises to be done in the “lab.” Readings from Weste & Eshraghian (see course website for how to order the book). Specify, architect, design, layout and verify a modest-sized CMOS circuit. Prepare a Web- page description and give a brief presentation the last week of class. Work as part of a 2- or 3- person team. Two 80-minute in- class, closed-book quizzes (10/11, 11/15). Meant to be duck soup if you’ve been coming to lectures and doing the homework. Homework 20% of final grade Project 40% of final grade Quizzes 40% of final grade
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L01 – VLSI Overview 5 6.371 – Fall 2002 09/04/02 What is a VLSI circuit? V ERY L ARGE S CALE I NTEGRATED CIRCUIT Technique where many circuit components and the wiring that connects them are manufactured simultaneously into a compact, reliable and inexpensive chip. Early (circa 1977) characterization of circuit “size” before people realized that the number of components per chip was quadrupling every 24 months (aka Moore’s Law)!
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L01 – VLSI Overview 6 6.371 – Fall 2002 09/04/02 Dawn of the transistor Bell Labs lays the groundwork: 1940: Russel Ohl develops PN junction which produces 0.5V when exposed to light. 1945: Bell sets up lab in the hopes of developing “solid state” components to replace existing electromechanical systems. William Schockley, John Bardeen, Walter Brattain: all solid-state physicists. Focus on Si and Ge. 1947: Bardeen and Brattain create point-contact transistor w/ two PN junctions. Gain = 18. Announced in July 1948. But treated as a novelty until 1951 invention of junction transistor. Bell Labs willing to license the rights to the transistor to any company for a royalty (which was waived for hearing aid companies as a gesture to Alex. G.
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