DM74LS157 Fairchild Semiconductor, DM74LS157 Datasheet - Page 2

• Manufacturer Part Number: DM74LS157
• Description: Quad 2-Line to 1-Line Data Selectors/Multiplexers
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
Function Table
H
L
X
Logic Diagrams
LOW Level
HIGH Level
Don’t Care
Strobe
DM74LS157
H
L
L
L
L
Select
X
H
H
L
L
Inputs
A
H
X
L
X
X
2
B
X
X
X
H
L
DM74LS157 DM74LS158
H
H
L
L
L
Output Y
DM74LS158
H
H
H
L
L