MC74ACT14DTEL 查看數據表（PDF） - ON Semiconductor
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MC74ACT14DTEL Datasheet PDF : 8 Pages
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MC74AC14, MC74ACT14
INPUT CHARACTERISTICS (unless otherwise specified)
Symbol
Parameter
VCC
(V)
3.0
Vt +
Maximum Positive
Threshold
4.5
5.5
3.0
Vt –
Minimum Negative
Threshold
4.5
5.5
3.0
Vh(max)
Maximum Hysteresis
4.5
5.5
3.0
Vh(min)
Minimum Hysteresis
4.5
5.5
74AC
2.2
3.2
3.9
0.5
0.9
1.1
1.2
1.4
1.6
0.3
0.4
0.5
74ACT
Test Conditions
2.0
V TA = Worst Case
0.8
V TA = Worst Case
1.2
V TA = Worst Case
0.4
V TA = Worst Case
DC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Conditions
Typ Guaranteed Limits
VOH
Minimum High Level
Output Voltage
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
V
IOUT = –50 µA
4.5
– 3.86
3.76
5.5
– 4.86
4.76
*VIN = VIL or VIH
V
–24 mA
IOH
–24 mA
VOL
Maximum Low Level
Output Voltage
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
V
IOUT = 50 µA
4.5
– 0.36
0.44
5.5
– 0.36
0.44
*VIN = VIL or VIH
V
24 mA
IOL
24 mA
IIN
Maximum Input
Leakage Current
5.5
– ±0.1
±1.0
µA
VI = VCC, GND
∆ICCT
Additional Max. ICC/Input
5.5
0.6
–
1.5
mA
VI = VCC – 2.1 V
IOLD
IOHD
†Minimum Dynamic
Output Current
5.5
–
–
75
5.5
–
–
–75
mA
VOLD = 1.65 V Max
mA
VOHD = 3.85 V Min
ICC
Maximum Quiescent
Supply Current
5.5
–
4.0
40
µA
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
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