MBM29QM12DH Fujitsu Microelectronics, Inc., MBM29QM12DH Datasheet - Page 70

• Manufacturer Part Number: MBM29QM12DH
• Description: Page Mode Flash Memory 128m 8m X 16 Bit
• Manufacturer: Fujitsu Microelectronics, Inc.

Write Reset Command
Remove V
Increment PLSCNT
PLSCNT = 25?
Device Failed
ID
No
Yes
Sector Group Protection Algorithm
from A
9
No
A
(A
A
Setup Sector Group Addr.
3
Sector Group Protection
3
WE = V
Write Reset Command
Protect Another Sector
(A
CE = V
22
= A
A
= A
Remove V
A
A
, A
Activate WE Pulse
OE = V
9
Read from Sector
16
7
Time out 100 s
7
should remain V
, A
2
= A
(Addr. = SGA,
2
= A
21
Data = 01h?
PLSCNT = 1
= A
= A
Completed
, A
IH
15
IL
Group?
6
6
, RESET = V
, CE = OE = V
, A
Start
0
20
ID
= A
0
= A
= V
, A
, A
= V
14
ID
Yes
No
5
5
, A
9
19
from A
IL
= A
IL
= A
MBM29QM12DH
= V
, A
, A
, A
13
, A
ID
4
4
18
1
1
,
=
=
= V
, A
= V
12
ID
9
IH
)
IL
)
17
IH
IH
,
)
Yes
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