DM74LS85 データシートの表示（PDF） - Fairchild Semiconductor
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DM74LS85 Datasheet PDF : 6 Pages
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Switching Characteristics
at VCC = 5V and TA = 25°C
From
Symbol
Parameter
Input
To
Number of
Output Gate Levels
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
Any A or B
A < B,
3
Data Input
A>B
A=B
4
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
Any A or B
A < B,
3
Data Input
A>B
A=B
4
tPLH
Propagation Delay Time
A < B or A = B A > B
1
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
A < B or A = B A > B
1
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
A=B
A=B
2
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
A=B
A=B
2
tPLH
Propagation Delay Time
A > B or A = B A < B
1
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
A > B or A = B A < B
1
HIGH-to-LOW Level Output
RL = 2 kΩ
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
36
42
40
40
30
40
30
40
22
26
17
26
20
25
17
26
22
26
17
26
Units
ns
ns
ns
ns
ns
ns
ns
ns
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