HD74AC139

HD74AC139/HD74ACT139 Dual 1-of-4 Decoder/Demultiplexer REJ03D0249–0200Z (Previous ADE-205-369 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC139/HD74ACT139 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 HD74AC139/HD74ACT139 can be used as a function generator providing all four minterms of two variables. Features Multifunction Capability Two Completely Independent 1-of-4 Decoders Active Low Mutually Exclusive Outputs Outputs Source/Sink 24 mA HD74ACT139 has TTL-Compatible Inputs Ordering Information: Ex. HD74AC139 Part Name Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity) HD74AC139AP DIP-16 pin DP-16E, -16FV P — HD74AC139AFPEL SOP-16 pin (JEITA) FP-16DAV FP EL (2,000 ...