74LVX245 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74LVX245 Datasheet PDF : 6 Pages
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AC Electrical Characteristics
Symbol
Parameter
VCC
TA 25qC
(V)
Min
Typ
Max
tPLH
Propagation Delay Time
tPHL
2.7
3.3 r 0.3
6.1
10.7
8.6
14.2
4.7
6.8
7.2
10.1
tPZL
3-STATE Output
tPZH
Enable Time
2.7
3.3 r 0.3
9.0
16.9
11.5
20.4
7.1
11.0
9.6
14.5
tPLZ
3-STATE Output
2.7
11.5
18.0
tPHZ
Disable Time
3.3 r 0.3
9.6
12.8
tOSLH
Output to Output Skew
2.7
1.5
tOSHL
(Note 4)
3.3
1.5
Note 4: Parameter guaranteed by design. tOSLH |tPLHm tPLHn|, tOSHL |tPHLm tPHLn|
TA 40qC to 85qC
Min
Max
1.0
13.5
1.0
17.0
1.0
8.0
1.0
11.5
1.0
20.5
1.0
24.0
1.0
13.0
1.0
16.5
1.0
21.0
1.0
14.5
1.5
1.5
Units
ns
ns
ns
ns
Conditions
CL 15 pF
CL 50 pF
CL 15 pF
CL 50 pF
CL 15 pF, RL 1 k:
CL 50 pF, RL 1 k:
CL 15 pF, RL 1 k:
CL 50 pF, RL 1 k:
CL 50 pF, RL 1 k:
CL 50 pF, RL 1 k:
CL 50 pF (Note 4)
Capacitance
Symbol
Parameter
TA 25qC
Min
Typ
Max
TA 40qC to 85qC
Min
Max
Units
CIN
Input Capacitance T/R, OE
4
10
10
pF
CI/O
Output Capacitance An, Bn
8
pF
CPD
Power Dissipation Capacitance (Note 5)
21
pF
Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
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