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(No. 70251) 17
JX-S555(J)
Block View Inside IC
IC1 M51957AL [MITSUBISHI]
IC2 uPD780021ACWW01
IC4 HD74HC375FP [HITACHI]
1D
1Q
1Q
G1·2
2Q
2Q
2D
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1D
C1
(3)
(2)
(5)
(6)
(11)
(10)
(13)
(14)
(1)
(4)
(7)
(9)
(12)
(15)
1D
G1·2
2D
3D
G3·4
4D
1Q
1Q
2Q
2Q
3Q
3Q
4Q
4Q
V
CC
4D
4Q
4Q
G3·4
3Q
3Q
3D
(TOP VIEW)
INPUTS
TRUE TABLE
X: Don’t care
D
L
H
X
G
H
H
L
OUTPUTS
Q
L
H
Qn
Q
H
H
Qn
LATCH
FUNCTION
C2
2D
3D
C3
C4
4D