SN74LS139 データシートの表示（PDF） - Motorola => Freescale
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SN74LS139 Datasheet PDF : 5 Pages
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SN54 / 74LS139
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V
All Inputs
VIK
VOH
Input Clamp Diode Voltage
54
Output HIGH Voltage
74
– 0.65 – 1.5
2.5
3.5
2.7
3.5
V
VCC = MIN, IIN = – 18 mA
V
VCC = MIN, IOH = MAX, VIN = VIH
V
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
74
0.25 0.4
0.35 0.5
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
V
IOL = 8.0 mA
per Truth Table
IIH
Input HIGH Current
20
µA VCC = MAX, VIN = 2.7 V
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
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
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
VCC = 5.0 V
CL = 15 pF
VIN
VOUT
1.3 V
tPHL
1.3 V
Figure 1
1.3 V
AC WAVEFORMS
VIN
tPLH
1.3 V
VOUT
1.3 V
1.3 V
tPHL
1.3 V
tPLH
1.3 V
Figure 2
FAST AND LS TTL DATA
5-237
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