MBM29DL161TE-70TN Meet Spansion Inc., MBM29DL161TE-70TN Datasheet - Page 73

• Manufacturer Part Number: MBM29DL161TE-70TN
• Description: Flash Memory Cmos 16m 2m ? 8/1m ? 16 Bit Dual Operation
• Manufacturer: Meet Spansion Inc.

(7) Extended Sector Group Protection Algorithm
Remove V
Temporary Sector Group
Write Reset Command
Device is Operating in
Increment PLSCNT
Unprotection Mode
PLSCNT = 25?
Device Failed
ID
from RESET
No
Yes
Retired Product DS05-20880-5E_July 13, 2007
No
No
To Verify Sector Group Protection
Write 60h to Sector Address
Write 40h to Sector Address
To Sector Group Protection
Protection Write XXXh/60h
Remove V
Read from Sector Group
Sector Group Protection
Extended Sector Group
Protection Other Sector
To Setup Sector Group
(A
(A
Address (Addr. = SPA,
Write Reset Command
A
6
6
6
Protection Entry?
= A
Time out 250 μs
= A
= A
RESET = V
MBM29DL16XTE/BE
PLSCNT = 1
Data = 01h?
Wait to 4 μs
Completed
0
0
0
Group?
= V
= V
= V
Start
ID
IL
from RESET
IL
IL
Yes
Yes
No
, A
, A
, A
1
1
1
ID
= V
= V
= V
IH
IH
IH
)
)
)
Yes
Setup Next Sector Group
Address
70/90
73