74VHC245 Ver la hoja de datos (PDF) - Fairchild Semiconductor
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74VHC245 Datasheet PDF : 7 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC)
DC Input Voltage (VIN) (T/R, OE)
DC Output Voltage (VOUT)
Input Diode Current (IIK) (T/R, OE)
Output Diode Current (IOK)
DC Output Current (IOUT)
DC VCC/GND Current (ICC)
Storage Temperature (TSTG)
Lead Temperature (TL)
(Soldering, 10 seconds)
0.5V to 7.0V
0.5V to 7.0V
0.5V to VCC 0.5V
20 mA
r20 mA
r25 mA
r75 mA
65qC to 150qC
260qC
Recommended Operating
Conditions (Note 2)
Supply Voltage (VCC)
2.0V to 5.5V
Input Voltage (VIN)(T/R, OE)
0V to 5.5V
Output Voltage (VOUT)
Operating Temperature (TOPR)
0V to VCC
40qC to 85qC
Input Rise and Fall Time (tr, tf)
VCC 3.3V r 0.3V
VCC 5.0V r 0.5V
0 a 100 ns/V
0 a 20 ns/V
Note 1: Absolute Maximum Ratings are values beyond which the device
may be damaged or have its useful life impaired. The databook specifica-
tions should be met, without exception, to ensure that the system design is
reliable over its power supply, temperature, and output/input loading vari-
ables. Fairchild does not recommend operation outside databook specifica-
tions.
Note 2: Unused inputs or I/O pins must be held HIGH or LOW. They may
not float.
DC Electrical Characteristics
Symbol
VIH
VIL
VOH
VOL
IOZ
IIN
(T/R, OE)
ICC
Parameter
HIGH Level
Input Voltage
LOW Level
Input Voltage
HIGH Level
Output Voltage
LOW Level
Output Voltage
3-STATE Output
Off-State Current
VCC
(V)
2.0
3.0 5.5
2.0
3.0 5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
Min
1.50
0.7 VCC
1.9
2.9
4.4
2.58
3.94
TA 25qC
Typ
2.0
3.0
4.5
0.0
0.0
0.0
Max
0.50
0.3 VCC
0.1
0.1
0.1
0.36
0.36
5.5
r0.25
Input Leakage
0 5.5
r0.1
Current
Quiescent Supply Current 5.5
4.0
TA 40qC to 85qC
Min
Max
1.50
0.7 VCC
0.50
0.3 VCC
1.9
2.9
4.4
2.48
3.80
0.1
0.1
0.1
0.44
0.44
r2.5
r1.0
40.0
Units
Conditions
V
V
VIN VIH IOH 50 PA
V
or VIL
V
IOH 4 mA
IOH 8 mA
VIN VIH IOL 50 PA
V
or VIL
V
IOL 4 mA
IOL 8 mA
VIN VCC or GND
PA VOUT VCC or GND
VIN OE VIH or VIL
PA VIN 5.5V or GND
PA VIN VCC or GND
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