w39l020 Winbond Electronics Corp America, w39l020 Datasheet - Page 2

• Manufacturer Part Number: w39l020
• Description: 256k U 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

3. PIN CONFIGURATIONS
#WE
A17
A13
A14
V
A16
A15
A12
A11
NC
A9
A8
A7
A6
A5
A4
DD
16
2
10
11
12
13
14
15
1
3
4
5
6
7
8
9
DQ0
A7
A6
A5
A4
A3
A2
A1
A0
10
11
12
13
6
7
8
9
5
32L TSOP & STSOP
14
A
4
1
2
D
Q
1
15
A
3
1
5
D
Q
2
32L PLCC
A
16
1
6
2
S
S
V
17
1
D
Q
3
N
C
32
18
V
D
D
D
Q
4
31
19
W
E
Q
#
D
5
30
20
D
Q
6
A
1
7
29
28
27
26
25
24
23
22
21
#OE
#CE
DQ7
A14
A13
A8
A9
A11
A10
23
32
31
30
29
28
27
26
25
24
22
21
20
19
18
17
#OE
A10
DQ7
DQ6
DQ5
DQ4
DQ3
V
DQ2
DQ1
DQ0
A0
A1
A2
A3
#CE
SS
- 2 -
4. BLOCK DIAGRAM
5. PIN DESCRIPTION
DQ0  DQ7
SYMBOL
A0  A17
#WE
#OE
#CE
#WE
V
V
#CE
#OE
A17
V
V
A0
DD
SS
.
SS
.
DD
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
PIN NAME
BUFFER
OUTPUT
ARRAY
CORE
W39L020
DQ0
DQ7
.
.