Sanyo DWM-1000 Service Manual page 32

IC BLOCK DAIGRAM & DESCRIPTION
IC502 M51953BFP (Reset)
IC504 TC7SHU04FU (Inverter)
IC550 LE28C1001ATS-S-90-MPB (Flash Memory)
A16~A0
10~20
CE
OE
WE
A11
A9
A8
A13
A14
NC
WE
Vcc
NC
A16
A15
A12
A7
A6
A5
A4
OUTER
DELAY
POWER OUT
NC CAPACITY
SUPPLY PUT
8 7 6 5
M51953BFP
1 2 3 4
NC NC NC GND
NC
1 5
IN A 2
GND
3 4
X-
Address Decoder
Buffers
&
Latches
30
32
Control Logic
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
POWER
SUPPLY
R1
R2
1.25V
GND
V
CC
OUT Y
1,048,576 bit
Super Flash
EEPROM
Cell Array
Y-Decoder
I/O Buffers &
Data Latches
29~25,23~21
DQ7~DQ0
32 Pin TSOP Normal
(Top View)
- 64 -
7
4 5
OUTER DELAY
CAPACITY
(CD)
Pin Name
A16-A0 Address Inputs
DQ7-DQ0 Data Input/Output
CE Chip Enable
OE Output Enable
WE Write Enable
Vcc Power Supply
Vss Ground
NC No Connection
32 OE
A10
31
CE
30
29 DQ7
DQ6
28
27 DQ5
26 DQ4
DQ3
25
Vss
24
23 DQ2
DQ1
22
21 DQ0
20 A0
A1
19
18 A2
17 A3
OUTPUT
6
1 2 3 8 TERMINAL:NC