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LB1641 (IC802) : DC motor driver
1. Pin layout
1
2
3
4
5
GND OUT1 P1
VZ
IN1
2. Pin function
Input
IN1
IN2
OUT1
0
0
0
1
0
1
0
1
0
1
1
0
AT27C020-70JCU3 (IC102) : OTP EPROM 2MBIT
1.Terminal layout
A7
5
29
A6
6
28
A5
7
27
A4
8
26
A3
9
25
A2
10
24
A1
11
23
A0
12
22
O0
13
21
3.Blockdiagram
VCC
GND
VPP
OE
CE
PGM
A0-A7
ADDRESS
INPUTS
6
7
8
9
10
IN2 VCC1 VCC2 P2
OUT2
Output
Mode
OUT2
0
Brake
0
CLOCKWISE
1
COUNTER-CLOCKWISE
0
Brake
A14
A13
A8
A9
A11
OE
A10
CE
07
OE,CE AND
PROGRAM LOGIC
Y DECODER
X DECODER
2.Pin function
Pin No.
Function
A0-A17
Addresses
O0-O7
Outputs
CE
Chip Enable
OE
Output Enable
PGM
Program Strobe
DATA OUTPUTS
O0-O7
OUTPUT
BUFFERS
Y-GATING
CELL MATRIX
IDENTIFICATION
UX-L46V/UX-L36V
1-31
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