Recap: Combinational Synthesis

Truth

Table

Logic

Equation

Combinational

Circuit

ONE

F = AB + BC ..

F = B (A + C) ..

AND-OR

NAND-NAND

Limitation of combinational logic:

Combinational

Logic

t t+1 t+2 t+3

0 1 0 0

1 0 0 1

t t+1 t+2 t+3

1 1 0

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