W49F002U-12B

Manufacturer Part NumberW49F002U-12B
ManufacturerWinbond Electronics
W49F002U-12B datasheet
 


Specifications of W49F002U-12B

Density2MbAccess Time (max)120ns
Interface TypeParallelBoot TypeTop
Address Bus18bOperating Supply Voltage (typ)5V
Operating Temp Range0C to 70CPackage TypePDIP
Program/erase Volt (typ)5VSync/asyncAsynchronous
Operating Temperature ClassificationCommercialOperating Supply Voltage (min)4.5V
Operating Supply Voltage (max)5.5VWord Size8b
Number Of Words256KSupply Current50mA
MountingThrough HolePin Count32
Lead Free Status / Rohs StatusNot Compliant  
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PIN CONFIGURATIONS
#RESET
1
2
A16
3
A15
4
A12
5
A7
6
A6
7
A5
32-pin
8
DIP
A4
9
A3
10
A2
A1
11
12
A0
13
DQ0
14
DQ1
15
DQ2
16
Vss
#
R
E
#
A
A
A
V
S
1
1
D
W
1
E
2
5
6
T
D
E
3
4
2
1
32
31
5
A7
6
A6
7
A5
32-pin
8
A4
PLCC
9
A3
10
A2
11
A1
12
A0
13
DQ0
14
15
16
17
18
19
D
D
V
D
D
D
Q
Q
s
Q
Q
Q
1
2
s
3
4
5
1
A11
2
A9
3
A8
A13
4
A14
5
A17
6
7
#WE
32-pin
V
8
DD
TSOP
9
#RESET
10
A16
11
A15
12
A12
13
A7
14
A6
15
A5
16
A4
BLOCK DIAGRAM
V DD
32
V
DD
V SS
31
#WE
30
A17
#CE
29
A14
28
A13
#OE
27
A8
#WE
26
A9
25
A11
#RESET
24
#OE
23
A10
22
#CE
21
DQ7
20
DQ6
19
DQ5
A0
18
DQ4
17
DQ3
.
.
A
A17
1
7
30
29
A14
28
A13
27
A8
26
A9
25
A11
24
#OE
23
A10
22
#CE
21
DQ7
20
D
Q
6
PIN DESCRIPTION
32
#OE
SYMBOL
A10
31
30
#CE
#RESET
DQ7
29
DQ6
28
DQ5
A0
27
DQ4
26
DQ3
25
DQ0
Vss
24
DQ2
23
#CE
DQ1
22
21
DQ0
20
A0
#OE
19
A1
A2
18
#WE
17
A3
V
V
- 2 -
W49F002U
DQ0
.
OUTPUT
.
CONTROL
BUFFER
DQ7
BOOT BLOCK
16K BYTES
PARAMETER
BLOCK1
DECODER
8K BYTES
PARAMETER
BLOCK2
8K BYTES
MAIN MEMORY
BLOCK1
96K BYTES
MAIN MEMORY
BLOCK2
128K BYTES
PIN NAME
Reset
Address Inputs
A17
Data Inputs/Outputs
DQ7
Chip Enable
Output Enable
Write Enable
Power Supply
DD
Ground
SS
3FFFF
3C000
3BFFF
3A000
39FFF
38000
37FFF
20000
1FFFF
00000