W49F002UP70B Ver la hoja de datos (PDF) - Winbond

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W49F002UP70B

256K x 8 CMOS FLASH MEMORY

Winbond 

W49F002U

Command Codes for Sector Erase

BYTE SEQUENCE

1 Write

2 Write

3 Write

4 Write

5 Write

6 Write

ADDRESS

5555H

2AAAH

5555H

5555H

2AAAH

SA*

Sector Erase Acquisition Flow

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 80

to

address 5555

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 30

to

address SA*

Pause TEC

Exit

Notes for chip erase:

Data Format: DQ7−DQ0 (Hex)

Address Format: A14−A0 (Hex)

SA : For details, see the page 6 .

DATA

AAH

55H

80H

AAH

55H

30H

Publication Release Date: April 2000

-9-

Revision A2

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