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lec22Intel - Introduction to CMOS VLSI Design Case Study...

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Introduction to CMOS VLSI Design Case Study: Intel Processors
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Case Study: Intel Processors Slide 2 CMOS VLSI Design Outline Evolution of Intel Microprocessors Scaling from 4004 to Pentium 4 Courtesy of Intel Museum
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Case Study: Intel Processors Slide 3 CMOS VLSI Design 4004 First microprocessor (1971) For Busicom calculator Characteristics 10 μ m process 2300 transistors 400 – 800 kHz 4-bit word size 16-pin DIP package Masks hand cut from Rubylith Drawn with color pencils 1 metal, 1 poly (jumpers) Diagonal lines (!)
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Case Study: Intel Processors Slide 4 CMOS VLSI Design 8008 8-bit follow-on (1972) Dumb terminals Characteristics 10 μ m process 3500 transistors 500 – 800 kHz 8-bit word size 18-pin DIP package Note 8-bit datapaths Individual transistors visible
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Case Study: Intel Processors Slide 5 CMOS VLSI Design 8080 16-bit address bus (1974) Used in Altair computer (early hobbyist PC) Characteristics 6 μ m process 4500 transistors 2 MHz 8-bit word size 40-pin DIP package
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