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IC BLOCK DIAGRAM & DESCRIPTION
IC131 IS41LV16256-35T (Memory)
OE
27
WE
13
CAS
LCAS
29
CLOCK
CONTROL
CAS
GENERATOR
LOGICS
UCAS
28
RAS
14
RAS
CLOCK
GENERATOR
REFRESH
COUNTER
ADDRESS
16~19
BUFFERS
A0-A8
22~26
IC160 LA6560-A(Motor Driver)
FWD
REV
VCC2
VL0–
VL0+
V04+
V04–
V03+
V03–
FR FR
V02+
V02–
V01+
V01–
VCC1
VIN1
VIN1–A
VIN1+A
VIN1–B
WE
OE
CONTROL
WE
LOGICS
DATA I/O BUS
COLUMN DECODERS
SENSE AMPLIFIERS
2~5,7~10
31~34,36~39
MEMORY ARRAY
262,144 x 16
I
1
N
Thermal Shutdown
P
U
2
T
3
O
U
4
C
T
T
P
R
U
5
L
T
L
6
S
E
H
V
I
E
F
7
L
T
L
8
S
E
H
V
I
E
F
9
L
T
POWER
SYSTEM
GND
L
10
S
E
H
V
I
E
F
11
L
T
L
12
S
E
H
V
I
E
F
13
L
T
14
22k
11k
15
16
AMP-A
17
AMP-B
18
IC161 BA10358F(Dual Operation Amp)
OUT1
1
-IN1
2
I/O0-I/O15
+IN1
3
GND
4
SIGNAL SYSTEM GND
(LOAD OUTPUT Voltage Setting)
BTL-AMP OUTPUT
MUTE
ON/OFF
22k
11k
VIN1/VREF-SW
POWER
SYSTEM
GND
5VREG(PNP Ext.)
22k
11k
22k
11k
- 21 -
V
8
1
OUT2
7
-
+
2
-IN2
6
+ -
+IN2
5
36
S-GND
35
VCONT
34
MUTE
33
VIN4
32
VIN4–
31
VIN4+
30
VREF-IN
29
VIN1(VREF)-SW
28
VREF-OUT(CH1)
FR
FR
27
REG-OUT
26
REG-IN
25
VIN3+
24
VIN3–
23
VIN3
22
VIN2+
21
VIN2–
20
VIN2
19
VIN1+B
CC
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