74VCX162245 查看數據表（PDF） - Fairchild Semiconductor
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74VCX162245
Fairchild Semiconductor
74VCX162245 Datasheet PDF : 9 Pages
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AC Electrical Characteristics (Note 6)
Symbol
Parameter
Conditions
VCC
TA 40qC to 85qC
Figure
Units
(V)
Min
Max
Number
tPHL,
tPLH
Propagation Delay
B to A
CL 30 pF, RL 500:
3.3 r 0.3
0.8
3.4
2.5 r 0.2
1.0
4.3
Figures
1, 2
1.8 r 0.15
1.5
8.6
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
17.2
Figures
5, 6
tPZL,
tPZH
Output Enable Time
B to A
CL 30 pF, RL 500:
3.3 r 0.3
0.8
4.2
2.5 r 0.2
1.0
5.7
Figures
1, 3, 4
1.8 r 0.15
1.5
9.8
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
19.6
Figures
5, 7, 8
tPLZ,
tPHZ
Output Disable Time
B to A
CL 30 pF, RL 500:
3.3 r 0.3
0.8
4.1
2.5 r 0.2
1.0
4.8
Figures
1, 3, 4
1.8 r 0.15
1.5
8.6
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
17.2
Figures
5, 7, 8
tPHL,
tPLH
Propagation Delay
A to B
CL 30 pF, RL 500:
3.3 r 0.3
0.8
2.5
2.5 r 0.2
1.0
3.0
Figures
1, 2
1.8 r 0.15
1.5
6.0
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
12.0
Figures
5, 6
tPZL,
tPZH
Output Enable Time
A to B
CL 30 pF, RL 500:
3.3 r 0.3
0.8
3.5
2.5 r 0.2
1.0
4.1
Figures
1, 3, 4
1.8 r 0.15
1.5
8.2
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
16.4
Figures
5, 7, 8
tPLZ,
tPHZ
Output Disable Time
A to B
CL 30 pF, RL 500:
3.3 r 0.3
0.8
3.5
2.5 r 0.2
1.0
3.8
Figures
1, 3, 4
1.8 r 0.15
1.5
6.8
ns
CL 15 pF, RL 2k:
1.5 r 0.1
1.0
13.6
Figures
5, 7, 8
tOSHL,
tOSLH
Output-to-Output Skew
(Note 7)
CL 30 pF, RL 500:
3.3 r 0.3
2.5 r 0.2
1.8 r 0.15
0.5
0.5
ns
0.75
CL 15 pF, RL 2k:
1.5 r 0.1
1.5
Note 6: For CL 50pF, add approximately 300ps to the AC maximum specification.
Note 7: 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).
5
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