MFM8126S-70/90/12
ISSUE4.2:November1998
Embedded Erase Algorithm
Start
Write Erase Command Sequence
(see below)
Data Polling or Toggle Bit
Successfully Completed
Erasure Completed
Individual Sector/Multiple Sector
Chip Erase Command Sequence
Erase Command Sequence
(Address/Command)
(Address/Command):
5555H /A AH
5555H/AAH
2A AA H /55H
5555H /80H
2AAAH/55H
5555H/80H
5555H /A AH
2A AA H /55H
5555H/10H
5555H/AAH
2AAAH/55H
SECTOR ADDRESS/30H
SECTOR ADDRESS/30H
Additional sector
erase commands
are optional
SECTOR ADDRESS/30H
19