MBM29DL640E Fujitsu Microelectronics, Inc., MBM29DL640E Datasheet - Page 63

• Manufacturer Part Number: MBM29DL640E
• Description: Flash Memory 64 M 8 M X 8/4 M X 16 Bit Dual Operation
• Manufacturer: Fujitsu Microelectronics, Inc.

* : A
-1
is V
IL
in byte mode.
Figure 26 Sector Group Protection Algorithm
Write Reset Command
Remove V
Increment PLSCNT
PLSCNT
Device Failed
ID
No
Yes
from A
25?
9
No
A
6
Setup Sector Group Addr.
(
(
WE
Read from Sector Group
Sector Group Protection
CE
A
Protect Another Sector
Write Reset Command
A
(A
A
A
Addr.
Remove V
21
6
3
16
OE
Activate WE Pulse
9
Time out 100 s
, A
, A
should remain V
A
PLSCNT
V
A
Data
V
Completed
20
15
IH
3
2
IL
MBM29DL640E
Group?
V
, A
, A
, RESET
, CE
SPA, A
Start
ID
A
A
19
, A
14
2
0
ID
01h?
, A
, A
Yes
9
from A
No
A
V
OE
18
1
13
0
1
IL
, A
V
, A
, A
ID
V
V
V
17
ID
12
IH
1
9
V
IH
IL
,
)
IL
)
)
V
*
IH
Yes
80/90/12
63