Logic Gates

2/5/98


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Table of Contents

Logic Gates

Recap: Static Discipline

Voltage Transfer Curve

N-Channel Field Effect Transistor

Proposed NMOS Gate

Problems with NMOS Gate

P-Channel Field Effect Transistor

Proposed CMOS Gate

Signal Timing: Rise and Fall Time

Signal Timing: Propagation Delay

Signal Timing: Contamination Delay

Formal Definitions

Cascaded Inverters

Logic Functions

Logic Functions - II

Combinational Composition

Combinational Composition - II

A Cyclic Circuit

Other Behaviors

Next Time: Combinational Synthesis

Author: Srinivas Devadas

Email: devadas@mit.edu

Home Page: http://cag-www.lcs.mit.edu/6.004

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