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 VOH levels.
Pull-Up Resistor Equations
ORDERING INFORMATION
SL74LS05N Plastic
SL74LS05D SOIC
VCC(Min) - VOH
RMAX
=
N1(IOH) + N2(IIH)
TA = -0° to 70° C
for all packages
VCC(Max) - VOL
(IOL + N3(IIL)
RMIN
=
Where: N1(IOH)=total maximumoutput high current for all outputs tied
to pull-up resistor
N2(IIH)=total input high current for all inputs tied to pull-up
PIN ASSIGNMENT
resistor
N3(IIL)=total input low current for all inputs tied to pull-up
resistor
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
Output
A
L
Y
H
L
H
PIN 14 =VCC
PIN 7 = GND
System Logic
Semiconductor
SLS
SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
