MC74LVX138DT 查看數據表（PDF） - ON Semiconductor
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MC74LVX138DT Datasheet PDF : 8 Pages
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MC74LVX138
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA = 25°C
TA = – 40 to 85°C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
Parameter
Test Conditions
Min
Typ
Max
Min
Max Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
tPHL
Propagation Delay
Input to Output
VCC = 2.7V
CL = 15pF
CL = 50pF
7.1
13.8
1.0
16.5 ns
9.6
17.3
1.0
20.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=3.3±0.3V CL=15pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CL = 50pF
5.5
8.8
1.0
10.5
8.0
12.3
1.0
14.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL
Propagation Delay
E3 to O
VCC = 2.7V
CL = 15pF
CL = 50pF
8.7
16.3
1.0
19.5 ns
11.2
19.8
1.0
23.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=3.3±0.3V CL=15pF
CL = 50pF
6.8
10.6
1.0
12.5
9.3
14.1
1.0
16.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL
Propagation Delay
E1 or E2 to O
VCC = 2.7V
CL = 15pF
CL = 50pF
8.8
16.0
1.0
18.5 ns
11.3
19.5
1.0
22.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC=3.3±0.3V CL=15pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CL = 50pF
6.9
10.4
1.0
11.5
9.4
13.9
1.0
15.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tOSHL
tOSLH
Output–to–Output Skew
(Note 1.)
VCC = 2.7V
VCC = 3.3 ±0.3V
CL = 50pF
CL = 50pF
2.5
2.5
ns
2.5
2.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ 1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter
guaranteed by design.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CAPACITIVE CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cin
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CPD
Parameter
Input Capacitance
Power Dissipation Capacitance (Note 2.)
TA = 25°C
Min
Typ
Max
4
10
34
TA = – 40 to 85°C
Min
Max Unit
10
pF
pF
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
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