W39L040P-90J datasheet(11/27 Pages) WINBOND

11 / 27 page

W39L040

Publication Release Date: February 10, 2003

- 11 -

Revision A3

Embedded Erase Algorithm

Start

Write Erase Command Sequence

(see below)

Erasure Completed

#Data Polling or Toggle

BitSuccessfully Completed

5555H/AAH

2AAAH/55H

5555H/80H

5555H/10H

Chip Erase Command Sequence

(Address/Command):

5555H/AAH

2AAAH/55H

5555H/80H

Sector Address/30H

(Address/Command):

5555H/AAH

2AAAH/55H

5555H/80H

Page Address/50H

Individual Page Erase

(Address/Command):

Individual Sector Erase

Command Sequence

Pause TEC /TSEC/TPEC

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