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MC74VHC14 Datasheet, PDF (3/7 Pages) Motorola, Inc – Hex Schmitt Inverter | |||
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MC74VHC14
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC ELECTRICAL CHARACTERISTICS
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VT+
Parameter
Positive Threshold
Voltage (Figure 5)
Test Conditions
VCC
TA = 25°C
â55°C ⤠TA ⤠125°C
V
Min Typ Max Min
Max Unit
3.0
2.20
2.20
V
4.5
3.15
3.15
5.5
3.85
3.85
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VTâ Negative Threshold
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Voltage (Figure 5)
3.0
0.9
4.5 1.35
6.0 1.65
0.90
V
1.35
1.65
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VH Hysteresis Voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (Figure 5)
3.0 0.30
4.5 0.40
5.5 0.50
1.20 0.30
1.20
V
1.40 0.40
1.40
1.60 0.50
1.60
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH Minimum HighâLevel Vin=VIHorVIL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output Voltage
IOH = â 50 mA
2.0
1.9 2.0
1.9
V
3.0
2.9 3.0
2.9
4.5
4.4 4.5
4.4
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin = VIH or VIL
IOH = â 4 mA 3.0
IOH = â 8 mA 4.5
2.58
3.94
2.48
3.80
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL Maximum LowâLevel Vin = VIH or VIL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output Voltage
IOL = 50 mA
2.0
0.0 0.1
3.0
0.0 0.1
4.5
0.0 0.1
0.1
V
0.1
0.1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iin
Maximum Input
Leakage Current
Vin = VIH or VIL
Vin = 5.5 V or GND
IOL = 4 mA 3.0
IOL = 8 mA 4.5
0 to 5.5
0.36
0.36
± 0.1
0.44
0.44
± 1.0
mA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ICC Maximum Quiescent Vin = VCC or GND
5.5
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply Current
2.0
20.0
mA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0 ns)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
tPLH,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tPHL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Cin
Parameter
Test Conditions
Maximum Propagation
Delay,
A or B to Y
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
Maximum Input
Capacitance
TA = 25°C
Min
Typ
Max
8.3
12.8
10.8
16.3
5.5
8.6
7.0
10.6
4
10
â55°C ⤠TA ⤠125°C
Min
Max
Unit
1.0
15.0
ns
1.0
18.5
1.0
10.0
1.0
12.0
10
pF
Typical @ 25°C, VCC = 5.0 V
CPD Power Dissipation Capacitance (Note 5)
21
pF
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
noâload 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
VOLP
VOLV
VIHD
VILD
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
TA = 25°C
Typ
Max
Unit
0.4
0.8
V
â0.4
â0.8
V
3.5
V
1.5
V
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