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SN74LS139 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. SN74LS139
Description  LOW POWER SCHOTTKY
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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SN74LS139
http://onsemi.com
4
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VO
Output LOW Voltage
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
I
Input HIGH Current
20
µA
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.4
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–20
–100
mA
VCC = MAX
ICC
Power Supply Current
11
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Levels of
Limits
Symbol
Parameter
Levels of
Delay
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay
Address to Output
2
2
13
22
20
33
ns
tPLH
tPHL
Propagation Delay
Address to Output
3
3
18
25
29
38
ns
VCC = 5.0 V
CL = 15 pF
tPLH
tPHL
Propagation Delay
Enable to Output
2
2
16
21
24
32
ns
AC WAVEFORMS
Figure 1.
Figure 2.
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
1.3 V
tPLH
VIN
VOUT
1.3 V
tPHL
1.3 V
tPLH
1.3 V
1.3 V




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