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5-12. IC BLOCK DIAGRAMS
IC202 AT24C02N-10SC
1
NC
DATA REGISTER
CK
8
YDEC
2
2
NC
32
2
NC
3
E
PROM
32
XDEC
61x61
4
V
SS
H. V. GENERATION
TIMING & CONTR OL
START CYCLE
IC252 TD62C950RF
OUT1
1
OUT20
20
H V
21
CC
P GND
22
L GND
23
CL
24
NC
25
STB
26
27
NC
NC
28
S IN
29
V
30
DD
IC253 BA6208
SWITCH
SWITCH
1
2
3
4
DREF
ACK
PIN
R/W
5
WOR O
ADDRESS
COUNTER
LOAD
INC
CONTROL
LOGIC
START
STOP
LOGIC
D
CK
Q
Q
D
ST
MOTOR
DRIVE
MOTOR
DRIVE
REG
5
6
7
8
8
8
V
CC
7
TEST INPUT
6
SCL
5
SDA
ST
Q
D
Q
CK
D
D3
D2
D1
D0
Y
XY
9
OE
GND
— 62 —
60
OUT40
41
OUT21
40
H V
CC
39
P GND
38
L GND
37
NC
36
CHG
35
NC
34
CK
33
NC
32
S OUT
31
V
DD
IC254, 255 TC74HC151AN
1
V
16
CC
D2
D3
D4
2
15
D4
3
D1
D5
14
D5
4
13
D0
D6
D6
5
Y
D7
12
D7
6
11
A
W
A
7
S
C
B
10
B
8
9
C
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