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Электронный компонент: 54LS74A

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LS74A TTL D
"
1" Q
Q
D Q



54 4.5
5
5.5
V
CC
74 4.75
5
5.25
V
I
OH
-400
A
54
4
I
OL
74
8
mA
f
CK
0
25
MHz
t
W
25
ns
25
t
su
20
ns
t
h
5
ns
54 -55
125
T
A
74 0
70









V
IH
2
V
54
0.7
V
IL
74
0.8
V
V
CD
-1.5
V
V
CC
= I
I
=-18mA
54
2.5
3.4
V
OH
74
2.7
3.4
V
V
CC
= V
I
=
V
IH
=2.0V I
OH
=-400A
5474
0.25
0.4
I
OL
=4mA
V
OL
74
0.35
0.5
V
I
OL
=8mA
V
CC
=
V
IL
=
V
IH
=2.0V
D
0.1
I
I

0.2
mA
V
CC
= V
I
=7.0V
D
20
I
IH
40
A
V
CC
= V
I
=2.7V
D
-0.4
I
IL
-0.8
mA
V
CC
= V
I
=0.4V
I
OS
-15
-100
mA
V
CC
= V
O
=0V
I
CC
4
8
mA
V
CC
= V
CK
=0V
f
max
25
33
MHz
t
PLH
13
25
t
PHL

Q
Q
25
40
ns
V
CC
=5.0V C
L
=15pF
R
L
=2k
I
CC
Q
Q