W29C040 Datasheet, PDF (2/20 Pages) Winbond – 512K X 8 CMOS FLASH MEMORY

W29C040
PIN CONFIGURATIONS
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
A A AA V / A
1 1 11 CW 1
2 5 68 CE 7
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
D DG D D D D
QQN Q Q QQ
12D3 4 5 6
A11
1
A9
2
A8
3
A13
4
A14
5
A17
6
WE
7
VCC
8
A18
9
A16
10
A15
11
A12
12
A7
13
A6
14
A5
15
A4
16
32-pin
TSOP
BLOCK DIAGRAM
VCC
VSS
CE
OE
CONTROL
WE
OUTPUT
BUFFER
DQ0
.
.
DQ7
A0
.
.
DECODER
.
A18
16K Byte Boot Block (Optional)
CORE
ARRAY
16K Byte Boot Block (Optional)
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
PIN DESCRIPTION
SYMBOL
A0−A18
DQ0−DQ7
CE
OE
WE
VCC
GND
PIN NAME
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
-2-