Exam (elaborations) TEST BANK FOR CMOS VLSI DESIGN A Circuits and Systems Perspective 3rd Edition By Neil H.E. Weste and David Harris

,Solutions

Note: solutions to simulation exercises are not included. Chapter 12 is not yet complete,
and a few other solutions are presently missing. DH 8/4/04




Chapter 1
1.1 Starting with 42,000,000 transistors in 2000 and doubling every 26 months for 10
10 ⋅ 12
 ----------------
 26 
years gives 42M • 2 ≈ 1B transistors.

1.2 Some recent data includes:

Table 1: Microprocessor transistor counts
Date CPU Transistors (millions)
3/22/93 Pentium 3.1
10/1/95 Pentium Pro 5.5
5/7/97 Pentium II 7.5
2/26/99 Pentium III 9.5
10/25/99 Pentium III 28
11/20/00 Pentium 4 42
8/27/01 Pentium 4 55
2/2/04 Pentium 4 HT 125




1

,2 SOLUTIONS




The transistor counts double approximately every 24 months.




100


Transistors (Millions)

10




1
1990 1995 2000 2005
Year



1.3

A
B
C
D
Y




1.4

A B C A B
A B B
D C D
Y Y C A
A D D Y
B A C A
C
C A B B
B
(a) (b) (c)

, CHAPTER 1 SOLUTIONS 3



1.5

A
Y
A Y
(a) (b) B

A A
B
Y
Y
(c) B C
(d)


1.6

C C
B B B

A A
Y
A A

B B B
C C