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Lecture11a - Lecture 11 DIGITAL ELECTRONICS Topics Circuit...

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Lecture 11. DIGITAL ELECTRONICS Objectives: Topics: Determine logic levels and noise margins Calculate static and dynamic power components Determine fan-in and fan-out Circuit Characteristics Signal Delays Power Consumption
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Digital Circuits - use Boolean algebra as a mathematical language Scale of integration (SI): small, medium, large, very large SSI <10 gates MSI <100 gates LSI <10 3 VLSI >10 5 Ultra-large-scale integration ULSI >10 6 gates LOGIC FAMILIES: TTL (BJTs+diodes+resistors) Advantage: Disadvantage: CMOS (n- and p-channel MOSFETS) Advantages: Disadvantage: susceptible to electrostatic overstress (EOS) and electrostatic discharge (ESD)
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