74AC646 查看數據表（PDF） - Fairchild Semiconductor
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74AC646 Datasheet PDF : 9 Pages
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DC Electrical Characteristics for ACT
Symbol
Parameter
VIH
Minimum HIGH Level
Input Voltage
VIL
Maximum LOW Level
Input Voltage
VOH
Minimum HIGH Level
Output Voltage
VCC
TA = +25°C
TA = −40°C to +85°C
(V)
Typ
Guaranteed Limits
4.5
1.5
2.0
2.0
5.5
1.5
2.0
2.0
4.5
1.5
0.8
0.8
5.5
1.5
0.8
0.8
4.5
4.49
4.4
4.4
5.5
5.49
5.4
5.4
VOL
Maximum LOW Level
Output Voltage
4.5
3.86
3.76
5.5
4.86
4.76
4.5
0.001
0.1
0.1
5.5
0.001
0.1
0.1
IIN
ICCT
IOLD
IOHD
ICC
IOZT
Maximum Input
Leakage Current
Maximum
ICC/Input
Minimum Dynamic
Output Current (Note 7)
Maximum Quiescent
Supply Current
Maximum I/O
Leakage Current
4.5
0.36
5.5
0.36
5.5
± 0.1
5.5
0.6
5.5
5.5
5.5
8.0
5.5
±0.6
0.44
0.44
± 1.0
1.5
75
−75
80.0
±6.0
Note 6: All outputs loaded; thresholds on input associated with output under test.
Note 7: Maximum test duration 2.0 ms, one output loaded at a time.
Units
Conditions
V
VOUT = 0.1V
or VCC − 0.1V
V
VOUT = 0.1V
or VCC − 0.1V
V
IOUT = −50 µA
VIN = VIL or VIH
V
IOH= −24 mA
IOH= −24 mA (Note 6)
V
IOUT = 50 µA
VIN = VIL or VIH
V
IOL= 24 mA
IOL = 24 mA (Note 6)
µA VI = VCC, GND
mA VI = VCC − 2.1V
mA VOLD = 1.65V Max
mA VOHD = 3.85V Min
µA
VIN = VCC
or GND
VI (OE) = VIL, VIH
µA VI = VCC, GND
VO = VCC, GND
5
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