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FAIRCHILD
DIGITAL
O C = open collector, 3 S = 3-state Unit Load (UL) = 4 0 ¿ ¿ A HIGH/1 6 m A LOW
FAIRCHILD LOGIC/CONNECTION DIAGRAMS
DIGITAL-TTL
D154 54/74170, 54LS/74LS170, 54LS/74LS67