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零件编号
产品描述 (功能)
DM74LS393N 查看數據表(PDF) - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
DM74LS393N
Dual 4-Bit Binary Counter
Fairchild Semiconductor
DM74LS393N Datasheet PDF : 6 Pages
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Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Symbol
Parameter
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PHL
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
From (Input)
To (Output)
A to Q
A
A to Q
A
A to Q
A
A to Q
D
A to Q
D
Clear to Any Q
R
L
=
2 k
Ω
C
L
=
15 pF
C
L
=
50 pF
Min
Max
Min
Max
25
20
20
24
20
30
60
87
60
87
39
45
Units
MHz
ns
ns
ns
ns
ns
www.fairchildsemi.com
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