SN74LS139 Datasheet, PDF (4/8 Pages) ON Semiconductor – LOW POWER SCHOTTKY

SN74LS139
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Min Typ Max Unit
Test Conditions
V_IH
Input HIGH Voltage
2.0
Guaranteed Input HIGH Voltage for
V
All Inputs
V_IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V_IK
Input Clamp Diode Voltage
– 0.65 – 1.5
V
V_CC = MIN, I_IN = – 18 mA
V_OH
Output HIGH Voltage
2.7
3.5
V
V_CC = MIN, I_OH = MAX, V_IN = V_IH
or V_IL per Truth Table
V_OL
Output LOW Voltage
0.25 0.4
0.35 0.5
V
I_OL = 4.0 mA
V
I_OL = 8.0 mA
V_CC = V_CC MIN,
V_IN = V_IL or V_IH
per Truth Table
I_IH
Input HIGH Current
20
µA
0.1
mA
I_IL
Input LOW Current
– 0.4 mA
I_OS
Short Circuit Current (Note 1)
– 20
–100 mA
I_CC
Power Supply Current
11
mA
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
V_CC = MAX, V_IN = 2.7 V
V_CC = MAX, V_IN = 7.0 V
V_CC = MAX, V_IN = 0.4 V
V_CC = MAX
V_CC = MAX
AC CHARACTERISTICS (T_A = 25°C)
Symbol
t_PLH
t_PHL
t_PLH
t_PHL
t_PLH
t_PHL
Parameter
Propagation Delay
Address to Output
Propagation Delay
Address to Output
Propagation Delay
Enable to Output
Levels of
Limits
Delay
Min Typ Max Unit
2
2
13
22
20
33
ns
3
3
18
25
29
38
ns
2
2
16
21
24
32
ns
Test Conditions
V_CC = 5.0 V
C_L = 15 pF
V_IN
V_OUT
1.3 V
t_PHL
1.3 V
AC WAVEFORMS
1.3 V
t_PLH
1.3 V
V_IN
V_OUT
1.3 V
t_PHL t_PLH
1.3 V
1.3 V
1.3 V
Figure 1.
Figure 2.
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