Rainbow Electronics W29C040 - Manual (Page 2)

W29C040
- 2 -
PIN CONFIGURATIONS
5
6
7
9
10
11
12
13
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
29
28
27
26
25
24
23
22
21
30 31 32 1 2 3 4
8
20 19 18 17 16 15 14
D
Q
1 D
Q
2 G
N
D D
Q
3 D
Q
4 D
Q
5 D
Q
6
A14
A13
A8
A9
A11
OE
A10
CE
DQ7
A
1
2
A
1
6
V
C
C /
W
E
A
1
5
A
1
7
32-pin
PLCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
32-pin
TSOP
A15
A12
A7
A6
A5
A4
V
WE
A14
A13
A8
CC
A11
A9
A18
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A16
A17
A
1
8
BLOCK DIAGRAM
DECODER
CORE
ARRAY
CONTROL
OUTPUT
BUFFER
CE
OE
WE
A0
A18
.
.
.
DQ0
DQ7
.
.
16K Byte Boot Block (Optional)
16K Byte Boot Block (Optional)
V
V
CC
SS
PIN DESCRIPTION
SYMBOL PIN NAME
A0
−
A18 Address Inputs
DQ0
−
DQ7 Data Inputs/Outputs
CE
Chip Enable
OE
Output Enable
WE
Write Enable
V CC Power Supply
GND Ground