Casio QT-6100 Service Manual page 89

25. SN74LV374APWR (IC16,21,50,51)
1
OE
1Q 2
1D 3
2Q 4
2D 5
3Q 6
3D 7
4Q 8
4D 9
GND 10
26. SN74LVC1G08 (IC56)
1A 1
2
1B
3
1Y
4
2A
5
2B
6
2Y
GND 7
27. SN74LVC1G97 (IC58,59)
1
In1 In2
6
GND V
2
5
CC
In0 Y
3 4
logic diagram (positive logic)
In0
In1
In2
20 Vcc
19 8D
OE
18 8Q
L
L
17 7D
L
16 7Q
H
15 6D
14 6Q
1
OE
13 5D
11
CLK
12 5Q
3
1D
CLK
11
14 V
CC
13
4B
12
4A
11 4Y
3B
10
3A
9
8 3Y
INPUTS
In2
L
L
L
L
H
H
H
H
3
1
6
— 87 —
FUNCTION TABLE
INPUTS
OUTPUT
Q
CLK D
H H
L L
L X Q 0
X X Z
C1
1D
FUNCTION TABLE
OUTPUT
In1 In0 Y
L L L
L H L
H L H
H H H
L L L
L H H
H L L
H H H
2
1Q
4
Y