SN74LS156D データシートの表示（PDF） - ON Semiconductor
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SN74LS156D Datasheet PDF : 8 Pages
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SN74LS156
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
IOH
VOL
IIH
IIL
ICC
Input Clamp Diode Voltage
Output HIGH Current
Output LOW Voltage
Input HIGH Current
Input LOW Current
Power Supply Current
–0.65 –1.5
100
0.25 0.4
0.35 0.5
20
0.1
–0.4
10
V
VCC = MIN, IIN = –18 mA
µA VCC = MIN, VOH = MAX
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
V
IOL = 8.0 mA
per Truth Table
µA VCC = MAX, VIN = 2.7 V
mA VCC = MAX, VIN = 7.0 V
mA VCC = MAX, VIN = 0.4 V
mA VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay
Address, Ea or Eb to Output
Propagation Delay
Address to Output
Propagation Delay
Ea to Output
Limits
Min Typ Max Unit
25
40
34
51
ns
31
34
46
51
ns
32
32
48
48
ns
Test Conditions
Figure 1
Figure 2
Figure 1
VCC = 5.0 V
CL = 15 pF
RL = 2.0 kΩ
AC WAVEFORMS
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V
Figure 1.
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V
Figure 2.
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