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| W49F002U Datasheet, PDF (2/23 Pages) Winbond – 256K X 8 CMOS FLASH MEMORY | |||
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W49F002U
PIN CONFIGURATIONS
BLOCK DIAGRAM
RESET
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
DQ0
13
DQ1
14
DQ2
15
GND
16
32-pin
DIP
32
VDD
31
WE
30
A17
29
A14
28
A13
27
A8
26
A9
25
A11
24
OE
23
A10
22
CE
21
DQ7
20
DQ6
19
DQ5
18
DQ4
17
DQ3
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
/
R
E
A AA S V / A
1 1 1 E DW 1
2 56 TDE7
4 3 2 1 32 31 30
5
29
6
28
7
27
8
32-pin
26
9
PLCC
25
10
24
11
23
12
22
13
21
14 15 16 17 18 19 20
A14
A13
A8
A9
A11
OE
A10
CE
DQ7
DDGD D DD
QQNQQQQ
1 2D 3 4 5 6
A11
1
A9
2
A8
3
A13
4
A14
5
A17
6
WE
7
VDD
8
RESET
9
A16
10
A15
11
A12
12
A7
13
A6
14
A5
15
A4
16
32-pin
TSOP
32
OE
31
A10
30
CE
29
DQ7
28
DQ6
27
DQ5
26
DQ4
25
DQ3
24
GND
23
DQ2
22
DQ1
21
DQ0
20
A0
19
A1
18
A2
17
A3
VDD
VSS
CE
OE
WE
RESET
CONTROL
A0
.
DECODER
.
A17
OUTPUT
BUFFER
DQ0
.
.
DQ7
BOOT BLOCK
16K BYTES
PARAMETER
BLOCK1
8K BYTES
PARAMETER
BLOCK2
8K BYTES
MAIN MEMORY
BLOCK1
96K BYTES
MAIN MEMORY
BLOCK2
128K BYTES
3FFFF
3C000
3BFFF
3A000
39FFF
38000
37FFF
20000
1FFFF
00000
PIN DESCRIPTION
SYMBOL
RESET
A0âA17
DQ0âDQ7
CE
OE
WE
VDD
GND
PIN NAME
Reset
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
-2-
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