74LS75 查看數據表（PDF） - Fairchild Semiconductor
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74LS75 Datasheet PDF : 5 Pages
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Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameter
From (Input)
To (Output)
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
D to Q
D to Q
D to Q
D to Q
Enable to Q
Enable to Q
Enable to Q
Enable to Q
RL = 2 kΩ
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
27
30
17
25
20
25
15
20
27
30
25
30
30
30
15
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
3
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