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54AC139F Datasheet

Part NameDescriptionManufacturer
54AC139F Dual 1-of-4 Decoder/Demultiplexer National-Semiconductor
National ->Texas Instruments National-Semiconductor
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General Description
The ’AC/’ACT139 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 ’AC/’ACT139 can be used as a function generator providing all four minterms of two variables.

Features
■ ICC reduced by 50%
■ Multifunction capability
■ Two completely independent 1-of-4 decoders
■ Active LOW mutually exclusive outputs
■ Outputs source/sink 24 mA
■ ’ACT139 has TTL-compatible inputs
■ Standard Military Drawing (SMD)
   — ’AC139: 5962-87623
   — ’ACT139: 5962-87553

 

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