HD74AC138 Datasheet, PDF (2/11 Pages) Hitachi Semiconductor – 1-of-8 Decoder/Demultiplexer

HD74AC138/HD74ACT138
Pin Arrangement
Logic Symbol
A0 1
A1 2
A2 3
E1 4
E2 5
E3 6
O7 7
GND 8
(Top view)
16 VCC
15 O0
14 O1
13 O2
12 O3
11 O4
10 O5
9 O6
A0 A1 A2
E1 E2 E3
O0 O1 O2 O3 O4 O5 O6 O7
Pin Names
A₀ to A₂
E₁ to E ₂
E₃
O₀ to O ₇
Address Inputs
Enable Inputs
Enable Input
Outputs
2