W49V002 datasheet(2/32 Pages) WINBOND

Part #	W49V002

Description	256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W49V002FA

- 2 -

PIN CONFIGURATIONS

5

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32

1

2

3

4

8

20

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14

D

Q

1

^

F

W

H

1

v

G

N

D

Q

6

^

R

S

V

v

#

R

E

S

E

T

V

D

R

#

C

^

C

L

K

v

A

9

^

F

G

P

I

3

v

32L

PLCC

A

1

0

^

F

G

P

I

4

v

N

C

DQ0(FWH0)

A7(FGPI1)

A6(FGPI0)

A4(#TBL)

A3(ID3)

A2(ID2)

A1(ID1)

A0(ID0)

A5(#WP)

IC

VDD

DQ7(RSV)

#WE(FWH4)

#OE(#INIT)

GND

NC

GND

A

8

^

F

G

P

I

2

v

D

Q

2

^

F

W

H

2

v

D

Q

3

^

F

W

H

3

v

D

Q

4

^

R

S

V

v

D

Q

5

^

R

S

V

v

NC

1

2

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4

5

6

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8

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32

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32L

TSOP

24

23

22

21

#WE(FWH4)

DQ4(RSV)

DQ3(FWH3)

DQ7(RSV)

DQ6(RSV)

#OE(#INIT)

NC

DQ5(RSV)

20

19

18

17

GND

A3(ID3)

IC

R/#C(CLK)

NC

VDD

GND

A10(FGPI4)

NC

A4(#TBL)

NC

A9(FGPI3)

A8(FGPI2)

#RESET

A7(FGPI1)

A6(FGPI0)

A5(#WP)

A2(ID2)

A1(ID1)

A0(ID0)

DQ2(FWH2)

DQ1(FWH1)

DQ0(FWH0)

NC

BLOCK DIAGRAM

Program-

mer

Interface

3FFFF

00000

BOOT BLOCK

16K BYTES

MAIN MEMORY

BLOCK1

32K BYTES

20000

1FFFF

3C000

3BFFF

10000

0FFFF

PARAMETER

BLOCK1

8K BYTES

PARAMETER

BLOCK2

8K BYTES

3A000

39FFF

38000

37FFF

#RESET

Interface

CLK

FWH4

IC

FWH[3:0]

A[10:0]

DQ[7:0]

#OE

#WE

R/#C

MAIN MEMORY

BLOCK2

64K BYTES

MAIN MEMORY

BLOCK3

64K BYTES

30000

2FFFF

MAIN MEMORY

BLOCK4

64K BYTES

#INIT

#TBL

#WP

PIN DESCRIPTION

SYM.

INTERFACE

PIN NAME

PGM

FWH

IC

*

Interface Mode Selection

#RESET

*

Reset

#INIT

*

Initialize

#TBL

*

Top Boot Block Lock

#WP

*

Write Protect

CLK

*

CLK Input

FGPI[4:0]

*

General Purpose Inputs

ID[3:0]

*

Identification Inputs They

Are Internal Pull Down to

VSS

FWH[3:0]

*

Address/Data Inputs

FWH4

*

FWH Cycle Initial

R/#C

*

Row/Column Select

A[10:0]

*

Address Inputs

DQ[7:0]

*

Data Inputs/Outputs

#OE

*

Output Enable

#WE

*

Write Enable

VDD

*

Power Supply

GND

*

Ground

RSV

*

Reserved Pins

NC

*

No Connection

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