W29C020CP90B Winbond Electronics, W29C020CP90B Datasheet - Page 2

• Manufacturer Part Number: W29C020CP90B
• Description: IC FLASH 2MBIT 90NS 32PLCC
• Manufacturer: Winbond Electronics

Specifications of W29C020CP90B

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1321111

PIN CONFIGURATIONS
#WE
A13
A14
A17
V
A16
A15
A12
A11
NC
A9
A7
A6
A5
A4
A8
DD
13
16
1
2
3
4
5
6
7
8
10
11
12
14
15
9
DQ0
GND
A3
DQ0
DQ1
DQ2
A7
A6
A5
A4
A2
A1
A0
A12
A16
A15
NC
A4
A3
A2
A1
A0
A7
A6
A5
10
11
12
13
8
5
6
7
9
15
10
11
12
13
14
16
1
2
3
4
5
6
7
8
9
14
A
1
2
4
D
Q
1
15
3
A
1
5
D
Q
2
16
32-pin
A
1
6
2
G
N
D
32-pin
PLCC
32-pin
TSOP
DIP
17
N
C
1
D
Q
3
32
18
D
D
V
D
Q
4
31
19
W
#
E
D
Q
5
30
20
D
Q
32
30
29
25
19
17
6
31
28
27
26
24
23
22
21
20
18
A
1
7
29
28
27
26
25
24
23
22
21
#WE
DQ3
V
A17
A14
A13
A8
A9
A11
#OE
A10
#CE
DQ7
DQ6
DQ5
DQ4
DD
A14
A13
A8
A9
A11
#OE
A10
#CE
DQ7
32
31
30
29
28
27
26
25
24
23
22
20
19
18
17
21
#OE
A10
#CE
DQ7
DQ6
DQ5
DQ4
DQ3
GND
DQ2
DQ1
DQ0
A0
A1
A2
A3
- 2 -
BLOCK DIAGRAM
PIN DESCRIPTION
#WE
#CE
#OE
V
DQ0
V
A17
DD
SS
SYMBOL
A0
A0
.
.
.
#WE
GND
#OE
#CE
V
NC
DD
A17
DQ7
CONTROL
DECODER
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
No Connection
PIN NAME
8K Byte Boot Block (Optional)
8K Byte Boot Block (Optional)
W29C020C
OUTPUT
BUFFER
ARRAY
CORE
DQ0
DQ7
.
.