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74F139N/a238avaiDual 1-of-4 Decoder/Demultiplexer


74F139 ,Dual 1-of-4 Decoder/DemultiplexerFunctional DescriptionThe F139 is a high-speed dual 1-of-4 decoder/demulti-plexer. The device has t ..
74F139PC ,Dual 1-of-4 Decoder/DemultiplexerFeaturesThe F139 is a high-speed, dual 1-of-4 decoder/demulti-

74F139
Dual 1-of-4 Decoder/Demultiplexer
74F139 Dual 1-of-4 Decoder/Demultiplexer April 1988 Revised September 2000 74F139 Dual 1-of-4 Decoder/Demultiplexer General Description Features The F139 is a high-speed, dual 1-of-4 decoder/demulti-Multifunction capability plexer. The device has two independent decoders, eachTwo completely independent 1-of-4 decoders accepting two inputs and providing four mutually exclusive Active LOW mutually exclusive outputs 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. Ordering Code: Order Number Package Number Package Description 74F139SC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 74F139SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74F139PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbols Connection Diagram Truth Table Inputs Outputs IEEE/IEC E A A O O O O 0 1 0 1 2 3 H X X HHHH L LLL H H H L H LH LH H L L HHH L H L HHHHH L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial © 2000 DS009479
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