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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
R
R
Where: N1(IOH)=total maximumoutput high current for all outputs tied
VCC(Min) - VOH
=
MAX
N1(IOH) + N2(IIH)
VCC(Max) - VOL
=
MIN
(IOL + N3(IIL)
to pull-up resistor
N2(IIH)=total input high current for all inputs tied to pull-up
resistor
N3(IIL)=total input low current for all inputs tied to pull-up
resistor
ORDERING INFORMATION
SL74LS05N Plastic
SL74LS05D SOIC
TA = -0° to 70° C
for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 14 =VCC
PIN 7 = GND
FUNCTION TABLE
Inputs Output
A Y
L H
H L
SLS
System Logic
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SL74LS05
MAXIMUM RATINGS*
Symbol Parameter Value Unit
VCC Supply Voltage 7.0 V
VIN Input Voltage 7.0 V
V
Output Voltage 7.0 V
OUT
Tstg Storage Temperature Range -65 to +150 °C
*
Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Min Max Unit
VCC Supply Voltage 4.75 5.25 V
VIH High Level Input Voltage 2.0 V
VIL Low Level Input Voltage 0.8 V
VOH High Level Output Voltage 5.5 V
IOL Low Level Output Current 8.0 mA
TA Ambient Temperature Range 0 +70 °C
DC ELECTRICAL CHARACTERISTICS over full operating conditions
Guaranteed Limit
Symbol Parameter Test Conditions Min Max Unit
VIK Input Clamp Voltage VCC = min, IIN = -18 mA -1.5 V
IOH High Level Output Current VCC = min, VOH =max 0.1 mA
VOL Low Level Output Voltage VCC = min, IOL = 4 mA 0.4 V
VCC = min, IOL = 8 mA 0.5
IIH High Level Input Current VCC = max, VIN = 2.7 V 20 µA
VCC = max, VIN = 7.0 V 0.1 mA
IIL Low Level Input Current VCC = max, VIN = 0.4 V -0.4 mA
ICC Supply Current VCC = max Total with
outputs high
Total with
outputs low
2.4 mA
6.6
System Logic
SLS