W49V002 Winbond, W49V002 Datasheet - Page 2

• Manufacturer Part Number: W49V002
• Description: 256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE
• Manufacturer: Winbond

PIN CONFIGURATIONS
A10(GPI4)
R/#C(CLK)
BLOCK DIAGRAM
A9(GPI3)
A8(GPI2)
A7(GPI1)
A6(GPI0)
A5(#WP)
A4(#TBL)
#RESET
MODE
GND
V
NC
NC
NC
NC
DD
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
9
DQ0(LAD0)
A7(GPI1)
A6(GPI0)
A5(#WP)
A4(#TBL)
A3(RSV)
A2(RSV)
A1(RSV)
A0(RSV)
LAD[3:0]
#LFRAM
#RESET
A[10:0]
DQ[7:0]
MODE
#INIT
#TBL
R/#C
#WP
#WE
CLK
#OE
10
11
12
13
6
7
8
9
5
Program-
mer
Interface
LPC
Interface
14
4
A
8
^
G
P
2
v
D
Q
A
D
I
1
^
L
1
v
15
3
D
Q
D
A
G
P
2
^
L
A
2
v
9
^
I
3
v
16
R
2
G
N
D
#
E
S
E
T
32-pin
PLCC
32-pin
TSOP
17
N
C
1
D
Q
3
L
A
D
3
^
v
32
D
D
18
Q
V
D
4
^
R
S
V
v
31
19
D
Q
R
R
#
C
^
C
L
K
v
5
^
S
V
v
BOOT BLOCK
16K BYTES
PARAMETER
BLOCK1
8K BYTES
PARAMETER
BLOCK2
8K BYTES
MAIN MEMORY
BLOCK1
32K BYTES
MAIN MEMORY
BLOCK2
64K BYTES
MAIN MEMORY
BLOCK3
64K BYTES
MAIN MEMORY
BLOCK4
64K BYTES
30
20
D
Q
R
S
V
A
G
P
6
^
v
1
0
^
I
4
v
29
28
27
26
25
24
23
22
21
#OE(#INIT)
#WE(#LFRAM)
MODE
GND
NC
NC
VDD
NC
DQ7(RSV)
3FFFF
3C000
3BFFF
20000
1FFFF
10000
0FFFF
3A000
39FFF
38000
37FFF
30000
2FFFF
00000
23
32
31
30
29
28
27
26
25
24
22
21
20
19
18
17
NC
GND
DQ2(LAD2)
DQ1(LAD1)
DQ0(LAD0)
#OE(#INIT)
#WE(#LFRAM)
DQ7(RSV)
DQ6(RSV)
DQ5(RSV)
DQ4(RSV)
DQ3(LAD3)
A0(RSV)
A1(RSV)
A2(RSV)
A3(RSV)
- 2 -
PIN DESCRIPTION
LAD[3:0]
#LFRAM
#RESET
SYMB
GPI[4:0]
DQ[7:0]
A[10:0]
MODE
#TBL
#WP
#WE
#INIT
R/#C
GND
RSV
#OE
CLK
V
NC
DD
Preliminary W49V002A
PGM
INTERFACE
*
*
*
*
*
*
*
*
*
*
*
LPC
*
*
*
*
*
*
*
*
*
*
*
*
*
Interface Mode Selection
Reset
Initialize
Top Boot Block Lock
Write Protect
CLK Input
General Purpose
Inputs
Address/Data Inputs
LPC Cycle Initial
Row/Column Select
Address Inputs
Data Inputs/Outputs
Output Enable
Write Enable
Power Supply
Ground
Reserve Pins
No Connection
PIN NAME