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tutorial2 - ERG2020A&B Tutorial2 YU Xi Outline Canonical...

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ERG2020A&B Tutorial2 23/01/2007 YU Xi
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Outline Canonical form Boolean logic Duality Introduction to combinational circuit analysis
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Canonical Form Two forms: Sum of Product (SoP) Product of Sum (PoS) Conversion between SoP and PoS It can be derived based on DeMorgan Theory
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Example 1 (Eg. 4 in Tuto1) F’=A’B’C’+A’B’C+A’BC’ Æ F=(F’)’=(A’B’C’+A’B’C+A’BC’)’ (DeMorgan Law) =(A’B’C’)’(A’B’C)’(A’BC’)’ =(A+B+C)(A+B+C’)(A+B’+C’)
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