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SN54-74LS155 Datenblatt(PDF) 4 Page - Motorola, Inc

Teilenummer SN54-74LS155
Bauteilbeschribung  DUAL 1-OF-4 DECODER/ DEMULTIPLEXER
PDF  4 Pages
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Hersteller  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

SN54-74LS155 Datenblatt(HTML) 4 Page - Motorola, Inc

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FAST AND LS TTL DATA
SN54/74LS156
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°C
VOH
Output Voltage — High
54, 74
5.5
V
IOL
Output Current — Low
54
74
4.0
8.0
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Sb l
P
Limits
Ui
T
C
di i
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
54
0.7
V
Guaranteed Input LOW Voltage for
VIL
Input LOW Voltage
74
0.8
V
pg
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
IOH
Output HIGH Current
54, 74
100
µA
VCC = MIN, VOH = MAX
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
IIH
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
ICC
Power Supply Current
10
mA
VCC = MAX
AC CHARACTERISTICS (TA = 25°C)
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay
Address, Ea or Eb to Output
25
34
40
51
ns
Figure 1
V5 0 V
tPLH
tPHL
Propagation Delay
Address to Output
31
34
46
51
ns
Figure 2
VCC = 5.0 V
CL = 15 pF
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay
Ea to Output
32
32
48
48
ns
Figure 1
RL = 2.0 kΩ
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
1.3 V
tPLH
1.3 V



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