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SL74HC139

System Logic Semiconductor
Part Number SL74HC139
Manufacturer System Logic Semiconductor
Description Dual 1-of-4 Decoder/Demultiplexer
Published Apr 16, 2005
Detailed Description SL74HC139 Dual 1-of-4 Decoder/Demultiplexer High-Performance Silicon-Gate CMOS The SL74HC139 is identical in pinout to ...
Datasheet PDF File SL74HC139 PDF File

SL74HC139
SL74HC139

Overview
SL74HC139 Dual 1-of-4 Decoder/Demultiplexer High-Performance Silicon-Gate CMOS The SL74HC139 is identical in pinout to the LS/ALS139.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
This device consists of two independent 1-of-4 decoders, each of which decodes a two-bit Address to one-of-four active-low outputs.
Active-low Selects are provided to facilitate the demultiplexing and cascading functions.
The demultiplexing function is accomplished by using the Address inputs to select the desired device output, and utilizing the Select as a data input.
• Outputs Directly Interface to CMOS, NMOS, and TTL • Operating ...


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