74F139 Datasheet | National Semiconductor

54F 74F139 Dual 1-of-4 Decoder Demultiplexer November 1994 54F 74F139 Dual 1-of-4 Decoder Demultiplexer General Description The ’F139 is a high-speed dual 1-of-4 decoder demultiplexer The device has two independent decoders each accepting two inputs and providing four mutually exclusive active LOW outputs Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer Each half of the ’F139 can be used as a function generator providing all four minterms of two variables Features Multifunction capability Two pletely independent 1-of-4 decoders Active LOW mutually exclusive outputs Guaranteed 4000V minimum ESD protection mercial...