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
• Truth table
Input
Output
C
A
Y
L
X
Z
H
L
H
H
H
L
Input
Output
Mode
IN1
IN2
OUT1
OUT2
0
0
0
0
Brake
1
0
1
0
CLOCKWISE
0
1
0
1
COUNTER-CLOCKWISE
1
1
0
0
Brake
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