W29C040-90Z Winbond Electronics, W29C040-90Z Datasheet - Page 3

• Manufacturer Part Number: W29C040-90Z
• Manufacturer: Winbond Electronics

Specifications of W29C040-90Z

• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Compliant

3. PIN CONFIGURATIONS
#WE
A13
A17
V
A16
A12
A11
A14
A18
A15
A9
A6
A5
A4
A8
A7
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
Vss
DQ0
DQ1
DQ2
A12
A18
A16
A15
A4
A3
A2
A1
A0
A7
A6
A5
10
11
12
8
13
5
6
7
9
15
10
11
12
13
14
16
1
2
3
4
5
6
7
8
9
14
A
4
Q
1
2
D
1
15
A
3
1
5
D
Q
2
A
16
1
6
2
V
s
s
32-pin
PLCC
32-pin
DIP
32-pin
TSOP
A
1
8
17
1
D
Q
3
32
18
V
D
D
D
Q
4
31
19
W
E
D
Q
#
5
30
20
D
Q
6
A
1
7
32
31
30
29
28
27
26
25
24
23
22
21
19
18
17
20
29
28
27
26
25
24
23
22
21
V
#WE
A17
A14
A13
A8
A9
A11
#OE
A10
#CE
DQ7
DQ6
DQ5
DQ4
DQ3
A14
A13
A8
A11
#OE
A10
DQ7
A9
#CE
DD
32
31
30
29
28
27
26
25
24
23
22
20
19
18
17
21
#OE
DQ7
DQ6
DQ5
DQ4
DQ3
Vss
DQ2
DQ1
DQ0
A0
A1
A2
A3
A10
#CE
- 3 -
4. BLOCK DIAGRAM
5. PIN DESCRIPTION
#WE
#OE
#CE
DQ0 − DQ7
V
V
A18
DD
SYMBOL
SS
A0 − A18
A0
.
.
.
#WE
#OE
#CE
V
V
DD
SS
Publication Release Date: Aug. 14, 2006
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
PIN NAME
16K Byte Boot Block (Optional)
16K Byte Boot Block (Optional)
OUTPUT
BUFFER
W29C040
ARRAY
CORE
Revision A11
DQ0
DQ7
.
.