W39L040A Datasheet, PDF (12/26 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY

6.7 Embedded Erase Algorithm
W39L040A
Start
Write Erase Command Sequence
(see below)
#Data Polling or Toggle Bit
Successfully Completed
Pause TEC/TSEC/TPEC
Erasure Completed
Chip Erase Command Sequence
(Address/Command):
5555H/AAH
Individual Sector Erase
Command Sequence
(Address/Command):
5555H/AAH
2AAAH/55H
2AAAH/55H
5555H/80H
5555H/80H
5555H/AAH
5555H/AAH
2AAAH/55H
2AAAH/55H
5555H/10H
Sector Address/30H
- 12 -