W39L040Q-90 WINBOND [Winbond], W39L040Q-90 Datasheet - Page 11

• Manufacturer Part Number: W39L040Q-90
• Description: 512 K X 8 CMOS FLASH MEMORY
• Manufacturer: WINBOND [Winbond]

Embedded Erase Algorithm
Chip Erase Command Sequence
(Address/Command):
2AAAH/55H
5555H/AAH
2AAAH/55H
5555H/AAH
5555H/80H
5555H/10H
Write Erase Command Sequence
#Data Polling or Toggle
Bit Successfully Completed
Erasure Completed
(see below)
Start
Individual Sector Erase
(Address/Command):
Command Sequence
Sector Address/30H
2AAAH/55H
5555H/AAH
5555H/AAH
2AAAH/55H
5555H/80H
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Publication Release Date: February 10, 2003
Pause T
EC
/T
SEC
Individual Page Erase
Command Sequence
(Address/Command):
Page Address/50H
/T
PEC
5555H/AAH
2AAAH/55H
5555H/AAH
2AAAH/55H
5555H/80H
W39L040
Revision A3