The device has two independent decoders, each accepting twoinputs 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 de-multiplexer. Each half of the LS139 can be used as a function generator providing all four minterms of two variables. The LS139 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.The LSTTL/MSI SN54/74LS139 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. Eachdecoder has an active LOW Enable input which can be used as a data inputfor a 4-output demultiplexer. Each half of the LS139 can be used as a function
generator providing all four minterms of two variables. The LS139 isfabricated with the Schottky barrier diode process for high speed and iscompletely compatible with all Motorola TTL families.
Additional Information:-
• Schottky Process for High Speed
• Multifunction Capability
• Two Completely Independent 1-of-4 Decoders
• Active Low Mutually Exclusive Outputs
• Input Clamp Diodes Limit High Speed Termination Effects
• ESD > 3500 Volts
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