SN54ALS139, SN74ALS139 DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS SDAS204A – APRIL 1982 – REVISED DECEMBER 1994 • Designed Specifically for High-Speed Memory Decoders and Data Transmission Systems • Incorporate Two Enable Inputs to Simplify Cascading and /or Data Reception • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description The ′ALS139 are dual 2-line to 4-line decoders/demultiplexers designed for use in high-performance memory-decoding or datarouting applications requiring very short propagation delay times.
In high-performance memory systems, these devices can minimize the effects o...

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