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MC74VHC14 bảng dữ liệu(PDF) 3 Page - ON Semiconductor

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Giải thích chi tiết về linh kiện  Hex Schmitt Inverter
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DC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Test Conditions
VCC
V
TA = 25°C
−55
°C ≤ TA ≤ 125°C
Unit
Min
Typ
Max
Min
Max
VT+
Positive Threshold
Voltage (Figure 5)
3.0
4.5
5.5
2.20
3.15
3.85
2.20
3.15
3.85
V
VT−
Negative Threshold
Voltage (Figure 5)
3.0
4.5
6.0
0.9
1.35
1.65
0.90
1.35
1.65
V
VH
Hysteresis Voltage
(Figure 5)
3.0
4.5
5.5
0.30
0.40
0.50
1.20
1.40
1.60
0.30
0.40
0.50
1.20
1.40
1.60
V
VOH
Minimum High−Level
Output Voltage
Vin = VIH or VIL
IOH = − 50 mA
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
1.9
2.9
4.4
V
Vin = VIH or VIL
IOH = − 4 mA
IOH = − 8 mA
3.0
4.5
2.58
3.94
2.48
3.80
VOL
Maximum Low−Level
Output Voltage
Vin = VIH or VIL
IOL = 50 mA
2.0
3.0
4.5
0.0
0.0
0.0
0.1
0.1
0.1
0.1
0.1
0.1
V
Vin = VIH or VIL
IOL = 4 mA
IOL = 8 mA
3.0
4.5
0.36
0.36
0.44
0.44
Iin
Maximum Input
Leakage Current
Vin = 5.5 V or GND
0 to 5.5
± 0.1
± 1.0
mA
ICC
Maximum Quiescent
Supply Current
Vin = VCC or GND
5.5
2.0
20.0
mA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
Symbol
Parameter
Test Conditions
TA = 25°C
−55
°C ≤ TA ≤ 125°C
Unit
Min
Typ
Max
Min
Max
tPLH,
tPHL
Maximum Propagation
Delay,
A or B to Y
VCC = 3.3 ± 0.3 V
CL = 15 pF
CL = 50 pF
8.3
10.8
12.8
16.3
1.0
1.0
15.0
18.5
ns
VCC = 5.0 ± 0.5 V
CL = 15 pF
CL = 50 pF
5.5
7.0
8.6
10.6
1.0
1.0
10.0
12.0
Cin
Maximum Input
Capacitance
4
10
10
pF
CPD
Power Dissipation Capacitance (Note 5)
Typical @ 25
°C, VCC = 5.0 V
pF
21
5. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD  VCC  fin + ICC / 6 (per buffer). CPD is used to determine the
no−load dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0 ns, CL = 50 pF, VCC = 5.0 V)
Symbol
Characteristic
TA = 25°C
Unit
Typ
Max
VOLP
Quiet Output Maximum Dynamic VOL
0.4
0.8
V
VOLV
Quiet Output Minimum Dynamic VOL
−0.4
−0.8
V
VIHD
Minimum High Level Dynamic Input Voltage
3.5
V
VILD
Maximum Low Level Dynamic Input Voltage
1.5
V


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