W49F002U-12B Winbond Electronics, W49F002U-12B Datasheet - Page 2

• Manufacturer Part Number: W49F002U-12B
• Manufacturer: Winbond Electronics

Specifications of W49F002U-12B

• Density: 2Mb
• Access Time (max): 120ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 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: 256K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

PIN CONFIGURATIONS
#RESET
#WE
A17
A13
A14
V
A16
A12
A11
A15
A9
A7
A6
A5
A4
A8
DD
16
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
DQ0
#RESET
A7
A6
A5
A4
A3
A2
A1
A0
Vss
DQ0
DQ1
DQ2
A12
A16
A15
A4
A3
A2
A0
A5
A1
A7
A6
10
11
12
13
6
8
5
7
9
10
11
12
13
14
15
16
2
3
5
6
7
8
9
1
4
14
4
A
1
2
D
Q
1
15
3
A
1
5
D
Q
2
16
32-pin
TSOP
A
1
6
2
V
s
s
32-pin
32-pin
PLCC
DIP
17
R
1
D
Q
#
E
S
E
T
3
32
18
D
D
V
D
Q
4
31
19
W
#
E
D
Q
5
30
20
A
1
7
D
Q
6
32
31
30
29
25
19
17
28
27
26
24
23
22
21
20
18
29
28
27
26
25
24
23
22
21
V
#OE
DQ7
DQ5
DQ4
DQ3
#WE
A17
A14
A13
A8
A9
A11
A10
#CE
DQ6
#OE
#CE
A14
A13
A8
A11
A10
DQ7
DD
A9
23
32
31
30
29
28
27
26
25
24
22
20
19
18
17
21
DQ7
DQ6
DQ5
DQ4
DQ3
Vss
DQ1
DQ0
A0
A1
A2
A3
#OE
A10
#CE
DQ2
- 2 -
BLOCK DIAGRAM
PIN DESCRIPTION
DQ0
SYMBOL
#RESET
A0
#RESET
#WE
#WE
A17
#OE
#OE
#CE
V SS
#CE
V
V DD
V
A0
.
.
DD
SS
A17
DQ7
CONTROL
DECODER
Reset
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
MAIN MEMORY
128K BYTES
BOOT BLOCK
PARAMETER
MAIN MEMORY
96K BYTES
16K BYTES
PARAMETER
BLOCK2
BLOCK1
8K BYTES
8K BYTES
OUTPUT
BUFFER
BLOCK1
BLOCK2
PIN NAME
W49F002U
DQ0
DQ7
.
.
3FFFF
3C000
3BFFF
3A000
39FFF
38000
37FFF
20000
1FFFF
00000