74LVQ138SC(1998) 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74LVQ138SC Datasheet PDF : 8 Pages
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AC Electrical Characteristics
Symbol
Parameter
VCC
(V)
TA = +25˚C
CL = 50 pF
TA = −40˚C to +85˚C
CL = 50 pF
Units
Min
Typ
Max
Min
Max
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tOSHL,
tOSLH
Propagation Delay
An to On
Propagation Delay
An to On
Propagation Delay
E1 or E2 to On
Propagation Delay
E1 or E2 to On
Propagation Delay
E3 to On
Propagation Delay
E3 to On
Output to Output Skew (Note 9)
Data to Output
2.7
3.3 ±0.3
2.7
3.3 ±0.3
2.7
3.3 ±0.3
2.7
3.3 ±0.3
2.7
3.3 ±0.3
2.7
3.3 ±0.3
2.7
3.3 ±0.3
1.5
10.2
18.3
1.5
21.0
ns
1.5
8.5
13.0
1.5
15.0
1.5
9.6
17.6
1.5
20.0
ns
1.5
8.0
12.5
1.5
14.0
1.5
13.2
21.0
1.5
23.0
ns
1.5
11.0
15.0
1.5
16.0
1.5
11.4
19.0
1.5
21.0
ns
1.5
9.5
13.5
1.5
15.0
1.5
13.2
21.8
1.5
23.5
ns
1.5
11.0
15.5
1.5
16.5
1.5
10.2
18.3
1.5
20.0
ns
1.5
8.5
13.0
1.5
14.0
1.0
1.5
1.5
ns
1.0
1.5
1.5
Note 9: 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 speci-
fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design.
Capacitance
Symbol
CIN
CPD (Note 10)
Note 10: CPD is measured at 10 MHz.
Parameter
Input Capacitance
Power Dissipation
Capacitance
Typ
Units
Conditions
4.5
pF
VCC = Open
45
pF
VCC = 3.3V
5
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