SN74S139ANSR
Manufacturers：
Texas Instruments
Description：
IC DUAL 2-4 DECOD/DUMUX 16SO
SN74S139ANSRE4
Manufacturers：
Texas Instruments
Description：
IC DUAL 2-4 DECOD/DUMUX 16SO
SN74S139ANSRG4
Manufacturers：
Texas Instruments
Description：
IC DECODER/DEMUX SGL 16SO