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

1.1 Starting with 42,000,000 transistors in 2000 and doubling every 26 months for 10 years gives 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 42M 2 10 × 12 26 è ---------------- ø æ ö · » 1B 2 SOLUTIONS The transistor counts double approximately every 24 months. 1.3 1.4 1 10 100 Year Transistors (Millions) A B C D Y A B Y C D D A B C A B C D D A B C Y A B C C A B B A A B (c) Y (a) (b) CHAPTER 1 SOLUTIONS 3 1.5 1.6 (a) A Y A B Y (b) A B Y (c) (d) A C B Y Y B B C C B A A C C B B B A A 4 SOLUTIONS 1.7 1.8 1.9 The minimum area is 5 tracks by 5 tracks (40 l x 40 l = 1600 l2). 1.10 The layout is 40 l x 40 l if minimum separation to adjacent metal is considered, exactly as the track count estimated. A1A1A0A0 Y0 Y1 Y2 Y3 (a) Y1 Y0 A0 A1 A1 A0 A2 (b) A VDD GND B C Y D