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Ciparu elektronika un datoru arhitektūra

Ciparu elektronika un datoru arhitektūra

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Binārā loģikaPārslēgšanas f<strong>un</strong>kciju minimizācija. F<strong>un</strong>kcijas minimizācijas piemērs no PKNF..Izteiksme uzdota ar makstermiem:F = f(A, B, C, D) = M 0 ∗ M 1 ∗ M 4 ∗ M 5 ∗ M 6 ∗ M 8 ∗ M 9 ∗ M 12 ∗ M 13 ∗ M 14Karno karte:Bf(A,B,C,D):D✓✏0 0 0 0✫ ✪AC0211311 110 11✬0 089571115013460014✩0✒✑12No lokiem iegūtā f-ja: F ′ = C ′ + BD ′ , jeb F = (C ′ + BD ′ ) ′f-jas pārveidošana konj<strong>un</strong>ktīvā formā ar deMorgāna likumiem:f(A, B, C, D) = (C ′ + BD ′ ) ′ = C ′′ (BD ′ ) ′ = C(B ′ + D ′′ ) = C(B ′ + D). . . . . .Gints Neimanis (RTU) <strong>Ciparu</strong> <strong>elektronika</strong> <strong>un</strong> <strong>datoru</strong> arhitektūra 2010.09.01 92 / 140

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