722
24 Transistors
(a)
(b)
Fig. 24.29 a Intel TM 1103 1 KByte (1024 memory cells) dynamic random access memory (RAM), arranged in four
grids with 32 rows and columns (1970), chip size: 2.9 × 3.5 mm 2 . b Intel TM 4004 microprocessor (1971), chip size: 2.8
× 3.8 mm 2 , circuit lines: 10 µm, 2, 300 MOS transistors, clock speed: 108 kHz
Fig. 24.30 The Intel TM Pentium 4 microprocessor (2000), circuit lines: 0.18 µm, 42 million transistors, clock speed:
1.5 GHz