Service Manuals, User Guides, Schematic Diagrams or docs for : . Electronic Components Datasheets Various datasheets 74ls139

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                                                                                                                                     SN54/74LS139
DUAL 1-OF-4 DECODER/
DEMULTIPLEXER
  The LSTTL/MSI SN54/74LS139 is a high speed Dual 1-of-4 Decoder /De-
multiplexer. 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                                                                 DUAL 1-OF-4 DECODER /
for a 4-output demultiplexer. Each half of the LS139 can be used as a function                                                             DEMULTIPLEXER
generator providing all four minterms of two variables. The LS139 is
fabricated with the Schottky barrier diode process for high speed and is                                                                 LOW POWER SCHOTTKY
completely compatible with all Motorola TTL families.

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