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IC BLOCK DIAGRAM & DESCRIPTION
IC141 T224162B-35S(DRAM)
WE
15
CASL
31
CONTROL
LOGIC
30
CASH
NO.2 CLOCK
GENERATOR
COLUMN
ADDRESS
9
BUFFER
A0
18
REFRESH
19
A1
CONTROLLER
A2
20
A3
21
A4
24
REFRESH
A5
25
COUNTER
A6
26
A7
9
27
A8
28
ROW
9
ADDRESS
9
BUFFER(9)
NO.1 CLOCK
RAS
16
GENERATOR
TSOP44
V
1
44
V
CC
SS
I/O1
2
43
I/O16
I/O2
I/O15
3
42
I/O3
I/O14
4
41
I/O4
I/O13
5
40
PIN NO.
V
V
6
39
CC
SS
16~19,22~26
I/O5
I/O12
7
38
14
I/O6
I/O11
8
37
28
I/O7
I/O10
9
36
I/O8
I/O9
10
35
29
13
27
NC
13
32
NC
2~5,6~10,31~34,36~39
NC
14
31
CASL
1,6,20
WE
15
30
CASH
RAS
16
29
OE
21,35,40
NC
17
28
A8
11,12,15,30
A0
18
27
A7
A1
19
26
A6
20
25
A5
A2
A3
21
24
A4
V
22
V
CC
23
SS
Top view
IC160 LA6560(Motor Driverl)
I
1
FWD
N
Thermal Shutdown
P
U
2
REV
T
3
VCC2
O
U
VL0–
4
C
T
T
P
R
U
5
VL0+
L
T
L
6
V04+
S
E
H
V
I
E
F
7
V04–
L
T
L
8
V03+
S
E
H
V
I
E
F
9
V03–
L
T
POWER
SYSTEM
GND
FR FR
L
10
V02+
S
E
H
V
I
E
F
11
L
V02–
T
L
12
V01+
S
E
H
V
I
E
F
13
L
V01–
T
14
VCC1
22k
11k
15
VIN1
16
VIN1–A
ÅuLÅv Å uHÅv
AMP-A
VIN1(VREF)–SW
17
VIN1+A
ÅuLÅv:Internal VREF(2.5V fixed)
ÅuHÅv:External VREF
AMP-B
18
VIN1–B
VIN1(VREF)–SW
ÅuLÅv:AMP–A
ÅuHÅv:AMP–B
DATA-IN BUFFER
2~5
7~10
16
35~38
40~43
DATA-OUT
BUFFER
COLUMN
9
29
DECODER
16
512
8
8
SENSE AMPLIFIERS
VO GATING
512x16
512x512x16
512
MEMORY
ARRAY
6
39
SYM.
TYPE
DESCRIPTION
A0~A8
Input
Address Input
RAS
Input
Row Address Strobe
CASH
Input
Column Address Stlobe /Upper Byte Control
CASL
Input
Column Address Stlobe /Lower Byte Control
WE
Input
Write Enable
OE
Input
Output Enable
I/O1-I/O16
Input/Output
Data Input /Output
V
Supply
Power, 5V
CC
V
Ground
Ground
SS
NC
-
No Connec
SIGNAL SYSTEM GND
36
S-GND
(LOAD OUTPUT Voltage Setting)
35
VCONT
BTL-AMP OUTPUT
34
MUTE
MUTE
ON/OFF
33
VIN4
22k
32
VIN4–
11k
31
VIN4+
30
VREF-IN
29
VIN1/VREF-SW
VIN1(VREF)-SW
28
VREF-OUT(CH1)
POWER
SYSTEM
GND
FR
FR
5VREG(PNP Ext.)
27
REG-OUT
26
REG-IN
22k
25
VIN3+
11k
24
VIN3–
23
VIN3
22k
22
VIN2+
11k
21
VIN2–
20
VIN2
19
VIN1+B
IC231 LA1844ML(AM/FM-IF/MPX)
24
23
22
21
ALC
AM
AM
AM
MIX
RF.AMP
OSC
BUFF
I/O1~I/O4
I/O7~I/O8
I/O9~I/O12
I/O13~I/O16
LEVEL
AM/FM
DET
IF
OE
S-CURVE
BUFF
FM
FM
IF
DET
REG
1
2
3
4
IC241 LC72121M-D(PLL)
V
CC
Vssx
2
V
SS
XIN
1
XOUT
24
FMIN
17
1/2
AMIN
16
CE
3
DI
4
CCB
I / F
CL
5
DO
6
POWER
V
18
ON
DD
RESET
Vssd
15
IC402 KA78R12STU(Low Dropout Voltage Regulator)
Vin
1
THERMAL SHUTDOWN
BANDGAP REFERENCE
OUTPUT
HIGH/LOW
ON/OFF
Vdis
4
1.4V
- 28 -
20
19
18
17
16
15
DECODER
AGC
ANTI-BIRDIE
P-DET
AM
STEREO
AM
DET
SW
IF
COMP
VCO
FF
304kHz
38k
TUNING
DRIVE
GND
VCC
5
6
7
8
9
10
REFERENCE
PHASE DETECTOR
DIVIDER
CHARGE PUMP
SWALLOW COUNTER
UNLOCK
1/16, 1/17 4bits
DETECTOR
12bits PROGRAMMABLE
DIVIDER
UNIVERSAL
DATA SHIFT REGISTER LATCH
COUNTER
7
8
9
10
11
14
BO1 BO2 BO3 BO4
IO1 IO2
Q1
OVERVOLTAGE
PROTECTION
SOA PROTECTION
SHORT-CIRCUIT
PROTECTION
3
GND
14
13
PILOT
CANCEL
FF
FF
PILOT
˛
19k
19k
DET
2
11
12
19
PD
20
AIN
21
AOUT
22
Vssa
13
IFIN
2
V
O
R1
R2
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