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DM74LS390 Просмотр технического описания (PDF) - Fairchild Semiconductor
Номер в каталоге
Компоненты Описание
Список матч
DM74LS390
Dual 4-Bit Decade Counter
Fairchild Semiconductor
DM74LS390 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
PLH
t
PHL
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
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
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
B to Q
B
A to Q
A
A to Q
A
A to Q
C
A to Q
C
B to Q
B
B to Q
B
B to Q
C
B to Q
C
B to Q
D
B 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
15
20
24
20
30
60
81
60
81
21
27
21
33
39
51
39
54
21
27
21
33
39
45
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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