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SN74LS145N View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
SN74LS145N
Motorola
Motorola => Freescale Motorola
SN74LS145N Datasheet PDF : 5 Pages
1 2 3 4 5
SN54 / 74LS145
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
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V
All Inputs
VIK
IOH
VOL
IIH
IIL
ICC
Input Clamp Diode Voltage
Output HIGH Current
Output LOW Voltage
54, 74
54, 74
74
54, 74
Input HIGH Current
Input LOW Current
Power Supply Current
– 0.65
0.25
0.35
2.3
– 1.5
250
0.4
0.5
3.0
20
0.1
– 0.4
13
V
VCC = MIN, IIN = – 18 mA
µA VCC = MIN, VOH = MAX
V
IOL = 12 mA
V
IOL = 24 mA
V
IOL = 80 mA
VCC = VCC MIN,
VIN = VIL or VIH
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, VIN = GND
AC CHARACTERISTICS (TA = 25°C)
Symbol
tPHL
tPLH
Parameter
Propagation Delay
Pn Input to Qn Output
Limits
Min Typ Max Unit
50
50
ns
Test Conditions
VCC = 5.0 V
CL = 45 pF
AC WAVEFORMS
VIN
1.3 V
tPHL
VOUT
1.3 V
1.3 V
tPLH
1.3 V
VIN
1.3 V
tPHL
VOUT
1.3 V
1.3 V
tPLH
1.3 V
Figure 1
Figure 2
FAST AND LS TTL DATA
5-242
 

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