MC74LVX138 查看數據表（PDF） - ON Semiconductor
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MC74LVX138 Datasheet PDF : 8 Pages
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MC74LVX138
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CAPACITIVE CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
Parameter
TA = 25°C
Min
Typ
Max
TA = − 40 to 85°C
Min
Max
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cin InputCapacitance
−
4
10
−
10
pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CPD Power Dissipation Capacitance (Note 2)
−
34
−
−
−
pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ 2. 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 . CPD is used to determine the no−load dynamic
power consumption; PD = CPD VCC2 fin + ICC VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 3.3V, Measured in SOIC Package)
TA = 25°C
Symbol
Characteristic
Typ
Max
Unit
VOLP Quiet Output Maximum Dynamic VOL
−
0.5
V
VOLV Quiet Output Minimum Dynamic VOL
−
−0.5
V
VIHD Minimum High Level Dynamic Input Voltage
−
2.0
V
VILD Maximum Low Level Dynamic Input Voltage
−
0.8
V
A
tPLH
O
VALID
50%
50% VCC
SWITCHING WAVEFORMS
VALID
VCC
GND
tPHL
E3
tPHL
O
50%
50% VCC
VCC
GND
tPLH
Figure 4. .
E2 or E1 50%
O
tPHL
50% VCC
Figure 6.
Figure 5. .
VCC
GND
tPLH
TEST CIRCUIT
DEVICE
UNDER
TEST
OUTPUT
TEST POINT
CL*
*Includes all probe and jig capacitance
Figure 7.
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