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IC BLOCK DIAGRAM & DESCRIPTION
IC131 M11L416256SA-35T(Memory)
CAS
CLOCK
GENERATOR
RAS
CLOCK
GENERATOR
REFRESH
COUNTER
ADDRESS
BUFFERS
WE
CONTROL
LOGICS
OE
CONTROL
LOGICS
WE
CAS
DATA I/O BUS
COLUMN DECODERS
SENSE AMPLIFIERS
MEMORY ARRAY
262,144 x 16
ROW DECODER
DA
T
A
I/O BUFFERS
OE
RAS
27
13
OE
WE
29
LCAS
28
UCAS
14
RAS
16~19
22~26
A0-A8
2~5,7~10
31~34,36~39
I/O0-I/O15
IC160 LA6560-A(Motor Driver)
1
2
3
4
5
6
7
8
9
FR FR
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
FR
FR
27
26
25
24
23
22
21
20
19
VIN1+B
VIN2
VIN2–
VIN2+
VIN3
VIN3–
VIN3+
REG-IN
REG-OUT
VREF-OUT(CH1)
VIN1(VREF)-SW
VREF-IN
VIN4+
VIN4–
VIN4
MUTE
VCONT
S-GND
FWD
REV
VCC2
VL0–
VL0+
V04+
V04–
V03+
V03–
V02+
V02–
V01+
V01–
VCC1
VIN1
VIN1–A
VIN1+A
VIN1–B
SIGNAL SYSTEM GND
(LOAD OUTPUT Voltage Setting)
MUTE
BTL-AMP OUTPUT
ON/OFF
Thermal Shutdown
O
U
T
P
U
T
VIN1/VREF-SW
5VREG(PNP Ext.)
22k
11k
AMP-B
AMP-A
22k
11k
22k
11k
22k
11k
I
N
P
U
T
POWER
SYSTEM
GND
L
E
V
E
L
S
H
I
F
T
L
E
V
E
L
S
H
I
F
T
L
E
V
E
L
S
H
I
F
T
L
E
V
E
L
S
H
I
F
T
C
T
R
L
POWER
SYSTEM
GND
1
2
3
4
5
6
7
8
A OUTPUT
A +INPUT
GND
B +INPUT
B OUTPUT
A INPUT
B INPUT
V
+
A
B
IC161 NJM12904M / BA10358F (OP Amp)
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