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KS-FX725R
Vcc Vcc
Input
See Function Table
1A
2A
3A
4A
1C
2C
3C
4C
1Y
2Y
2Y
3Y
4Y
Output
Output
Output
Output
Sample as Load Circuit 1
Sample as Load Circuit 1
Sample as Load Circuit 1
1k
1k
S1
CL
Input Outout
C
L
H
H
A
X
L
H
Y
Z
H
L
1
2
3
4
5
6
7
14
13
12
11
10
9
8
HD74HC126FP-X (IC751) : Buffer
1.Terminal layout
2.Block diagram
3.Pin function
1 2 3 4 5 6 7 8 9
10
GNDOUT1 P1
VZ IN1 IN2
VCC1
VCC2 P2
OUT2
Input Output
Mode
IN1 IN2 OUT1 OUT2
Brake
0 0 0 0
1 0 1 0
0 1 0 1
1 1 0 0
CLOCKWISE
COUNTER-CLOCKWISE
Brake
LB1641 (IC402) : DC motor driver
1. Pin layout
2. Pin function