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IC BLOCK DIAGRAM & DESCRIPTION
IC180 MX29F004TPC-70 (Flash Memory)
A18
1
32
A16
2
31
A15
3
30
A12
4
29
A7
5
28
A6
6
27
A5
7
26
A4
8
25
A3
9
24
A2
10
23
A1
11
22
A0
12
21
Q0
13
20
Q1
14
19
Q2
15
18
GND
16
17
PIN DESCRIPTION
SYMBOL
PIN NAME
A0~A18
Address Input
Q0~Q7
Data Input/Output
CE
Chip Enable Input
WE
Write Enable Input
OE
Output Enable Input
VCC
Single Power Supply Pin (+5V)
GND
Ground Pin
IC453 NJM4558M (Op Amplifier)
A: OUT
1
A: -IN
2
A
A: +IN
3
V
4
EE
CONTROL
CE
INPUT
OE
LOGIC
WE
VCC
WE
A17
A14
A13
ADDRESS
A8
LATCH
A9
A11
A0~A18
AND
OE
A10
BUFFER
CE
Q7
Q6
Q5
Q4
Q3
Q0~Q7
8 Vcc
B: OUT
7
B
6
B: -IN
5
B: +IN
PRPGRA/ERASE
HIGH VOLTAGE
MX29F004T/B
FLASH
ARRAY
Y-PASS GATE
PGM
SENSE
DATA
AMPLIFIER
PROGRAM
DATA LATCH
I/O BUFFER
IC222 TC9257F (Tuner PLL IC)
XT
XT
PERIOD
CLOCK
DATA
OT-1
OT-2
OT-3
OT-4
I/O-5/CLK
- 13 -
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
HV
COMMAND
DATA LATCH
1
20
DO2
2
19
DO1
3
18
I/O-7/SC
4
17
I/O-8/IF
5
16
I/O-9/IF
6
15
GND
7
14
FM
IN
8
13
AM
IN
9
12
V
DD
10
11
I/O-6
IN
IN1
IN2
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