KS-FX742R
1-24 (No.49816)
4.3 HD74HC126FP-X (IC801) : Buffer
• Pin layout • Pin function
Note:
H:High level
L:Low level
X:Irrelevant
Z:Off(High-impedance)
State a 3-state input
• Block diagram
Note:
CL includes probe and jig capacitance
4.4 LB1641 (IC402) : DC motor driver
• Pin layout • Truth table
Input Output
CA Y
LX Z
HL H
HH L
1
2
3
4
5
6
7
8
9
10
GND
OUT1
P1
VZ
IN1
IN2
VCC1
VCC2
P2
OUT2
Input Output Mode
IN1 IN2 OUT1 OUT2
0000 Brake
1010 CLOCKWISE
0 1 0 1 COUNTER-CLOCKWISE
1100 Brake
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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