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Chapter 11: Introduction to Digital Electronics - 1
ChapterChapter 77
IntegratedIntegrated CircuitCircuit TechnologiesTechnologies
Donostia, 15th of November 2011
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Chapter 11: Introduction to Digital Electronics - 2
Outline of the lecture
7.1 Integrated circuit concept7.2 Logic IC families
7.2.1 CMOS technology
7.2.2 TTL technology7.2.3 ECL technology7.2.4 Comparison
7.3 Fabrication process
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7.17.1 IntegratedIntegrated circuitcircuit conceptconcept
Inside thepackage
Inside thechip
Logic circuits, memories, microprocessors
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7.2 LOGIC IC FAMILIES (I)1. TTL: Transistor Transistor Logic
Bipolar transistors
Series Prefix ExampleStandard TTL 54 or 74 7400
Low power TTL 54L or 74L 74L00
Schottky TTL 54S or 74S 74S00
Low power Schottky TTL 54LS or 74LS 74LS00Advanced Low power
Schottky TTL 54ALS or 74ALS 74ALS00
Advanced Schottky TTL 54AS 74AS 74AS00
54 operating temperature 55 to 125 C (military applications)74
operating temperature 0 to 70 C (industrial applications)
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7.2 LOGIC IC FAMILIES (II)
2. CMOS: Complementary Metal Oxide Semiconductor
MOS transistors Different series:
Metal-gate: 4000 series
Silicon-gate: 74C, 74HC and 74HCT series
3. ECL: Emitter Coupled Logic
Bipolar transistors Very high speed Higher power consumption
than CMOS
technology
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7.2.1 CMOS TECHNOLOGY (I)(Complementary MOS)
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7.2.1 CMOS TECHNOLOGY (II)
NOT
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7.2.1 CMOS TECHNOLOGY (III)
NAND
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7.2.1 CMOS TECHNOLOGY (IV)
NOR
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7.2.2 TTL TECHNOLOGY (I)(Transistor-Transistor-Logic)
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7.2.2 TTL TECHNOLOGY (II)NOT
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7.2.2 TTL TECHNOLOGY (IV)NOT
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7.2.2 TTL TECHNOLOGY (V)NAND
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7.2.3 ECL TECHNOLOGY(Emitter Coupled Logic)
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7.2.4 COMPARISON
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http://www.youtube.com/watch?v=35jWSQXku74&feature=related
7.3 IC Fabrication process
