EE141 © Digital Integrated
Circuits2nd
Introduction
2
Digital Integrated Circuits
Introduction: Issues in digital design The CMOS inverter Combinational logic structures Sequential logic gates Design methodologies Interconnect: R, L and C Timing Arithmetic building blocks Memories and array structures
(data from Texas Instruments)
EE141 © Digital Integrated
Circuits2nd
Introduction
21
Challenges in Digபைடு நூலகம்tal Design
DSM
“Microscopic Problems”
• Ultra-high speed design • Interconnect • Noise, Crosstalk • Reliability, Manufacturability • Power Dissipation • Clock distribution. Everything Looks a Little Different
EE141 © Digital Integrated
Circuits2nd
Introduction
5
ENIAC - The first electronic computer (1946)
EE141 © Digital Integrated
Circuits2nd
Introduction
6
The Transistor Revolution
Lead Microprocessors power continues to increase
EE141 © Digital Integrated
Circuits2nd
Courtesy, Intel
Introduction
18
Power will be a major problem
100000 10000 Power (Watts)
Circuits2nd Introduction
12
Evolution in Complexity
EE141 © Digital Integrated
Circuits2nd
Introduction
13
Transistor Counts
K 1,000,000 100,000 10,000 1,000 100 10
1980
1990 Year
2000
2010
Die size grows by 14% to satisfy Moore’s Law
EE141 © Digital Integrated
Circuits2nd
Courtesy, Intel
Introduction
16
Frequency
10000 Frequency (Mhz) 1000 100 486 10 1 0.1 1970 8085 8086 286 386
1000
100
18KW 5KW 1.5KW 500W
Pentium® proc
286 486 8086 386 10 8085 8080 8008 1 4004 0.1 1971 1974 1978 1985 1992 2000 2004 2008 Year
Power delivery and dissipation will be prohibitive
Digital Integrated Circuits
A Design Perspective
Jan M. Rabaey Anantha Chandrakasan Borivoje Nikolic
Introduction
July 30, 2002
EE141 © Digital Integrated
Circuits2nd
19
EE141 © Digital Integrated
Circuits2nd
Courtesy, Intel
Introduction
Power density
10000 Power Density (W/cm2) 1000
Rocket Nozzle
100
Nuclear Reactor
8086 10 4004 Hot Plate P6 8008 8085 Pentium® proc 386 286 486 8080 1 1970 1980 1990 2000 2010 Year
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Moore’s Law
Electronics, April 19, 1965.
1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975

3
EE141 © Digital Integrated
Circuits2nd
Introduction
Introduction
Why
is designing digital ICs different today than it was before? Will it change in future?
1/DSM
“Macroscopic Issues”
• Time-to-Market • Millions of Gates • High-Level Abstractions • Reuse & IP: Portability • Predictability • etc. …and There’s a Lot of Them!
8086
Source: Intel
1 Billion Transistors
Pentium® III Pentium® II Pentium® Pro Pentium®
i486 i386 80286
1 1975 1980 1985 1990 1995 2000 2005 2010
Projected
EE141 © Digital Integrated

What will you learn?
Understanding, designing, and optimizing digital circuits with respect to different quality metrics: cost, speed, power dissipation, and reliability
EE141 © Digital Integrated
Circuits2nd
Introduction
4
The First Computer
T he B abbage D iffer e n c e E n g in e (1 8 3 2 ) 2 5 ,0 0 0 p a rts c o st: ? 7 ,4 7 0
Doubles every 2 years
P6 Pentium ® proc
8080 8008 4004 1980 1990 Year 2000 2010
Lead Microprocessors frequency doubles every 2 years
17
EE141 © Digital Integrated
Power density too high to keep junctions at low temp
EE141 © Digital Integrated
Circuits2nd
Courtesy, Intel
Introduction
20
Not Only Microprocessors
Cell Phone
Introduction
15
Die Size Growth
100 Die size (mm)
10 8080 8008 4004 1 1970 8086 8085 286
386
P6 Pentium ® proc 486
~7% growth per year ~2X growth in 10 years
Introduction
9
Intel Pentium (IV) microprocessor
EE141 © Digital Integrated
Circuits2nd
Introduction
10
Moore’s Law
In
1965, Gordon Moore noted that the number of transistors on a chip doubled every 18 to 24 months. He made a prediction that semiconductor technology will double its effectiveness every 18 months
Introduction
1
What is this book all about?

Introduction to digital integrated circuits.
CMOS devices and manufacturing technology. CMOS inverters and gates. Propagation delay, noise margins, and power dissipation. Sequential circuits. Arithmetic, interconnect, and memories. Programmable logic arrays. Design methodologies.