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74LS145 데이터시트(PDF) 3 Page - Motorola, Inc

부품명 74LS145
상세설명  1-OF-10 DECODER/DRIVER OPEN-COLLECTOR
PDF  5 Pages
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제조업체  MOTOROLA [Motorola, Inc]
홈페이지  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

74LS145 데이터시트(HTML) 3 Page - Motorola, Inc

  74LS145 Datasheet HTML 1Page - Motorola, Inc 74LS145 Datasheet HTML 2Page - Motorola, Inc 74LS145 Datasheet HTML 3Page - Motorola, Inc 74LS145 Datasheet HTML 4Page - Motorola, Inc 74LS145 Datasheet HTML 5Page - Motorola, Inc  
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FAST AND LS TTL DATA
SN54/74LS145
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
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
All Inputs
VIL
Input LOW Voltage
74
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
IOH
Output HIGH Current
54, 74
250
µA
VCC = MIN, VOH = MAX
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 24 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
OL
54, 74
2.3
3.0
V
IOL = 80 mA
IN = 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
13
mA
VCC = MAX, VIN = GND
AC CHARACTERISTICS (TA = 25°C)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPHL
tPLH
Propagation Delay
Pn Input to Qn Output
50
50
ns
VCC = 5.0 V
CL = 45 pF
AC WAVEFORMS
Figure 1
Figure 2
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V



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