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