w39l040a Winbond Electronics Corp America, w39l040a Datasheet - Page 4

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w39l040a

Manufacturer Part Number
w39l040a
Description
512k ? 8 Cmos Flash Memory
Manufacturer
Winbond Electronics Corp America
Datasheet

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3. PIN CONFIGURATIONS
#WE
A13
A14
A17
V
A18
A16
A15
A12
A11
A9
A6
A5
A4
A8
DD
A7
16
1
2
10
11
12
13
14
15
3
4
5
6
7
8
9
DQ0
A3
A7
A6
A5
A4
A2
A1
A0
Vss
DQ0
DQ1
DQ2
A18
A16
A15
A12
A4
A3
A2
A0
A5
A1
A7
A6
10
11
12
8
13
5
6
7
9
32L STSOP and 32L TSOP
14
10
11
12
13
14
15
A
4
16
1
2
D
Q
1
2
3
5
6
7
8
9
1
4
15
A
3
1
5
D
Q
2
32L PLCC
A
16
1
6
2
S
V
S
32-pin
1
17
Q
A
D
3
DIP
1
8
32
18
V
D
D
D
Q
4
31
19
W
E
D
Q
#
5
30
20
D
Q
A
6
1
7
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
29
28
27
26
25
24
23
22
21
#OE
A14
A13
A8
A9
A11
A10
#CE
DQ7
V
#OE
DQ7
DQ5
DQ4
DQ3
#WE
A17
A14
A13
A8
A9
A11
A10
#CE
DQ6
DD
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
#OE
A10
DQ7
DQ6
DQ5
DQ4
DQ3
V
DQ2
DQ1
DQ0
A0
A1
A2
A3
#CE
SS
- 4 -
4. BLOCK DIAGRAM
5. PIN DESCRIPTION
DQ0 − DQ7
A0 − A18
SYMBOL
#WE
#CE
#OE
V
V
#WE
#OE
#CE
A18
DD
V
V
A0
SS
.
DD
SS
.
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Enable
Write Enable
Output Enable
Power Supply
Ground
PIN NAME
BUFFER
OUTPUT
W39L040A
ARRAY
CORE
DQ0
DQ7
.
.

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