w49v002fa Winbond Electronics Corp America, w49v002fa Datasheet - Page 2

• Manufacturer Part Number: w49v002fa
• Description: 256k X 8 Cmos Flash Memory With Fwh Interface
• Manufacturer: Winbond Electronics Corp America

PIN CONFIGURATIONS
A10(FGPI4)
R/#C(CLK)
A6(FGPI0)
A9(FGPI3)
A8(FGPI2)
A7(FGPI1)
A4(#TBL)
A5(#WP)
#RESET
GND
V
NC
NC
NC
NC
DD
IC
DQ0(FWH0)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A7(FGPI1)
A6(FGPI0)
A5(#WP)
A2(ID2)
A0(ID0)
A4(#TBL)
A3(ID3)
A1(ID1)
11
12
13
8
10
5
6
7
9
14
A
P
4
8
F
G
I
2
v
D
Q
F
H
^
1
W
1
v
^
15
A
P
3
9
F
G
I
3
v
D
Q
2
F
W
H
2
v
^
^
TSOP
16
32L
2
G
N
D
R
E
S
E
T
#
PLCC
17
N
1
32L
C
D
Q
F
W
H
3
3
v
^
32
18
V
D
D
R
D
Q
4
S
V
v
^
31
19
R
C
C
L
D
Q
R
S
V
#
^
K
v
5
v
^
A
30
20
1
F
G
P
I
4
D
Q
R
S
V
0
^
v
6
v
^
29
28
27
26
25
24
23
22
21
IC
GND
NC
GND
VDD
#OE(#INIT)
#WE(FWH4)
NC
DQ7(RSV)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NC
DQ7(RSV)
DQ6(RSV)
DQ4(RSV)
DQ3(FWH3)
DQ2(FWH2)
DQ1(FWH1)
DQ0(FWH0)
#OE(#INIT)
#WE(FWH4)
DQ5(RSV)
GND
A0(ID0)
A1(ID1)
A2(ID2)
A3(ID3)
- 2 -
BLOCK DIAGRAM
PIN DESCRIPTION
FWH[3:0]
#RESET
FGPI[4:0]
DQ[7:0]
A[10:0]
ID[3:0]
SYM.
#INIT
#TBL
FWH4
R/#C
#WP
#WE
GND
RSV
CLK
#OE
V
NC
IC
DD
FWH[3:0]
DQ[7:0]
A[10:0]
FWH4
#TBL
#RESET
R/#C
#WP
CLK
#WE
#OE
#INIT
IC
PGM
INTERFACE
*
*
*
*
*
*
*
*
*
*
*
Program-
mer
Interface
Interface
FWH
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Interface Mode Selection
Reset
Initialize
Top Boot Block Lock
Write Protect
CLK Input
General Purpose Inputs
Identification Inputs They
Are Internal Pull Down to
V
Address/Data Inputs
FWH Cycle Initial
Row/Column Select
Address Inputs
Data Inputs/Outputs
Output Enable
Write Enable
Power Supply
Ground
Reserved Pins
No Connection
SS
W49V002FA
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
PIN NAME
3FFFF
3C000
3BFFF
30000
2FFFF
20000
1FFFF
10000
0FFFF
3A000
39FFF
38000
37FFF
00000