74LVX574(1999) 查看數據表（PDF） - Fairchild Semiconductor
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74LVX574 Datasheet PDF : 6 Pages
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AC Electrical Characteristics (Note 4)
Symbol
Parameter
VCC
TA = +25°C
TA = −40°C to +85°C
(V)
Min
Typ
Max
Min
Max
fMAX
Maximum
Clock
2.7
60
115
50
45
60
40
Frequency
3.3 ± 0.3 80
125
65
50
75
45
tPLH
Propagation
tPHL
Delay Time
CP to On
2.7
3.3 ± 0.3
9.2
14.5
1.0
17.5
11.5
18.0
1.0
21.0
8.5
13.2
1.0
15.5
11.0
16.7
1.0
19.0
tPZL
3-STATE Output
tPZH
Enable Time
2.7
3.3 ± 0.3
9.8
15.0
1.0
18.5
11.4
18.5
1.0
22.0
8.2
12.8
1.0
15.0
10.7
16.3
1.0
18.5
tPLZ
3-STATE Output
tPHZ
Disable Time
2.7
3.3 ± 0.3
12.1
19.1
1.0
22.0
11.0
15.0
1.0
17.0
tW
CP Pulse
2.7
6.5
7.5
Width
3.3 ± 0.3 5.0
5.0
tS
Setup Time
2.7
5.0
5.0
Dn to CP
3.3 ± 0.3 3.5
3.5
tH
Hold Time
2.7
1.5
1.5
Dn to CP
3.3 ± 0.3 1.5
1.5
tOSHL
Output to Output
2.7
1.5
1.5
tOSLH
Skew (Note 4)
3.3
1.5
1.5
Note 4: Parameter guaranteed by design. tOSLH = |tPLHm − tPLHn|, tOSHL = |tPHLm − tPHLn|.
Units
MHZ
ns
ns
ns
ns
ns
ns
ns
Conditions
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF, RL = 1 kΩ
CL = 50 pF, RL = 1 kΩ
CL = 15 pF, RL = 1 kΩ
CL = 50 pF, RL = 1 kΩ
CL = 50 pF, RL = 1 kΩ
CL = 50 pF, RL = 1 kΩ
CL = 50 pF
Capacitance
Symbol
Parameter
TA = +25°C
Min
Typ
Max
TA = −40°C to +85°C
Min
Max
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation
Capacitance (Note 5)
4
10
10
6
27
Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Units
pF
pF
pF
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