MBM29F002BC Fujitsu Media Devices, MBM29F002BC Datasheet - Page 40

• Manufacturer Part Number: MBM29F002BC
• Description: 2M (256K X 8) BIT
• Manufacturer: Fujitsu Media Devices

40
MBM29F002TC
Write Reset Command
Remove V
Increment PLSCNT
PLSCNT = 25?
Device Failed
-55/-70/-90
Figure 19
ID
No
Yes
from A
9
Sector Protection Algorithm
/MBM29F002BC
No
Protect Another Sector?
WE = V
Write Reset Command
CE = V
(A
(
Addr. (A
Remove V
Setup Sector Addr.
A
A
Read from Sector
9
Activate WE Pulse
OE = V
17
1
Sector Protection
Time out 100 s
should remain V
, A
= 1, A
Data = 01H?
PLSCNT = 1
Completed
IH,
16
IL
, A
, RESET = V
CE = OE = V
Start
19
ID
0
15
, A
, A
= A
ID
Yes
No
, A
from A
9
18
14
6
= V
, A
, A
= 0
17
13
ID
)
ID
,
)
9
IH
)
IL,
Yes
-55/-70/-90