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74VHC245 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. 74VHC245
Description  Octal Bidirectional Transceiver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74VHC245 Datasheet(HTML) 2 Page - Fairchild Semiconductor

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2
Absolute Maximum Ratings(Note 1)
Recommended Operating
Conditions (Note 2)
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
Supply Voltage (VCC)
0.5V to 7.0V
DC Input Voltage (VIN) (T/R, OE)
0.5V to 7.0V
DC Output Voltage (VOUT)
0.5V to VCC  0.5V
Input Diode Current (IIK) (T/R, OE)
20 mA
Output Diode Current (IOK)
r20 mA
DC Output Current (IOUT)
r25 mA
DC VCC/GND Current (ICC)
r75 mA
Storage Temperature (TSTG)
65qC to 150qC
Lead Temperature (TL)
(Soldering, 10 seconds)
260
qC
Supply Voltage (VCC)
2.0V to 5.5V
Input Voltage (VIN)(T/R, OE)0V to 5.5V
Output Voltage (VOUT)
0V to VCC
Operating Temperature (TOPR)
40qC to 85qC
Input Rise and Fall Time (tr, tf)
VCC 3.3V r 0.3V
0
a 100 ns/V
VCC 5.0V r 0.5V
0
a 20 ns/V
Symbol
Parameter
VCC
TA 25qCTA 40qC to 85qC
Units
Conditions
(V)
Min
Typ
Max
Min
Max
VIH
HIGH Level
2.0
1.50
1.50
V
Input Voltage
3.0
 5.5
0.7 VCC
0.7 VCC
VIL
LOW Level
2.0
0.50
0.50
V
Input Voltage
3.0
 5.5
0.3 VCC
0.3 VCC
VOH
HIGH Level
2.0
1.9
2.0
1.9
VIN VIH IOH 50 PA
Output Voltage
3.0
2.9
3.0
2.9
V
or VIL
4.5
4.4
4.5
4.4
3.0
2.58
2.48
V
IOH 4 mA
4.5
3.94
3.80
IOH 8 mA
VOL
LOW Level
2.0
0.0
0.1
0.1
VIN VIH IOL 50 PA
Output Voltage
3.0
0.0
0.1
0.1
V
or VIL
4.5
0.0
0.1
0.1
3.0
0.36
0.44
V
IOL 4 mA
4.5
0.36
0.44
IOL 8 mA
IOZ
3-STATE Output
VIN VCC or GND
Off-State Current
5.5
r0.25
r2.5
PAVOUT VCC or GND
VIN OE VIH or VIL
IIN
Input Leakage
0
 5.5
r0.1
r1.0
PAVIN 5.5V or GND
(T/R, OE)
Current
ICC
Quiescent Supply Current
5.5
4.0
40.0
PAVIN VCC or GND


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