HD74HC139 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – Dual 2-to-4-line Decoders/Demultiplexers

HD74HC139
Pin Arrangement
Enable 1G ¹
Select
1A 2
1B 3
1Y0 4
Data
Outputs
1Y1 5
1Y2 6
1Y3 7
GND 8
Logic Diagram (1/2)
G
A
G
B
A
Y0
B
Y1
Y0
Y2
Y1
Y3
Y2
Y3
(Top view)
16 V_CC
15 2G Enable
14 2A
13 2B
Select
12 2Y0 ^Outputs
11 2Y1
Data
Outputs
10 2Y2
9 2Y3
Enable
Y0
Y1
A
Y2
Y3
B
2