SN74HC139N
Manufacturers：
Texas Instruments
Description：
IC DUAL 2TO4 DECOD/DEMUX 16-DIP
SN74HC139NE4
Manufacturers：
Texas Instruments
Description：
IC DECODER/DEMUX DL 2-4L 16-DIP
SN74HC139NSR
Manufacturers：
Texas Instruments
Description：
IC DECODER/DEMUX DL 2-4L 16SO
SN74HC139NSRE4
Manufacturers：
Texas Instruments
Description：
IC DECODER/DEMUX DL 2-4L 16SO