Role of Don't-Cares in Logic Synthesis

Role of Don't-Cares in Logic Synthesis

Combinational

Logic

a

b

f

x

b

m x š a + b can never happenm Don't-Care Set: D = x' (a + b) + x a' b'm Minimize f with respect to D.

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0

1

ab

x

g

g

g

g

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