HD74HCT138 Datasheet, PDF (2/6 Pages) Hitachi Semiconductor – 3-to-8-line Decoder/Demultiplexer

HD74HCT138
Pin Arrangement
A1
Select
Inputs
B2
C3
G2A 4
Enable
Inputs
G2B 5
G1 6
Outputs Y₇ 7
GND 8
A
B
Y0
C
Y1
G2A
Y2
G2B
Y3
G1
Y4
Y7 _Y6 Y₅
(Top view)
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3 Outputs
11 Y4
10 Y5
9 Y6
Logic Diagram
G1
G2A
G2B
Y₀
Y1
A
Y2
B
Y3
Y4
C
Y₅
Y₆
Y₇
Rev.2.00 Mar 30, 2006 page 2 of 5