SL74LS05
Hex Inverters
with Open-Drain Outputs
This device contains idenpendent inverts. It performs the Boolean
function Y=A. The open collector outputs require pull-up resistor to
perform correctly. Open-collector devices are often used to generate
higher V
OH
levels.
Pull-Up Resistor Equations
V
CC
(Min) - V
OH
R
MAX
=
N
1
(I
OH
) + N
2
(I
IH
)
V
CC
(Max) - V
OL
R
MIN
=
(I
OL
+ N
3
(I
IL
)
ORDERING INFORMATION
SL74LS05N Plastic
SL74LS05D SOIC
T
A
= -0° to 70° C
for all packages
Where: N
1
(I
OH
)=total maximumoutput high current for all outputs tied
to pull-up resistor
N
2
(I
IH
)=total input high current for all inputs tied to pull-up
resistor
N
3
(I
IL
)=total input low current for all inputs tied to pull-up
resistor
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
A
L
H
Output
Y
H
L
PIN 14 =V
CC
PIN 7 = GND
SLS
System Logic
Semiconductor
SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
