DM74AS874WM 查看數據表（PDF） - Fairchild Semiconductor
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DM74AS874WM Datasheet PDF : 6 Pages
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Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
fMAX
tPLH
tPHL
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
VCC = 4.5V to 5.5V
RL = 500Ω
CL = 50 pF
tPZH
Output Enable Time
to HIGH Level Output
tPZL
Output Enable Time
to LOW Level Output
tPHZ
Output Disable Time
from HIGH Level Output
tPLZ
Output Disable Time
from LOW Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
From
Clock
Clock
To
Any Q
Any Q
Output Control Any Q
Output Control Any Q
Output Control Any Q
Output Control Any Q
Clear
Any Q
Min
Max
Units
80
MHz
3
8.5
ns
4
10.5
ns
2
7
ns
3
10.5
ns
2
6
ns
2
7.5
ns
4
11.5
ns
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