MBM29LV160TE/BE-70/90/12
Start
Setup Sector Addr,
(A19, A18, A17, A16,
A15, A14, A13, A12)
PLSCNT = 1
OE = VID, A9 = VID
A6 = CE = VIL, RESET = VIH
A0 = VIL, A1 = VIH
Increment PLSCNT
Activate WE Pulse
Time out 100 µs
WE = VIH, CE = OE = VIL
(A9 should remain VID)
Read from Sector
(A1 = VIH, A0 = VIL
Addr. = SA, A6 = VIL) *
No
PLSCNT = 25 ?
Yes
No
Data = 01H ?
Yes
Yes
Pemove VID from A9
Write Reset Command
Protect Another Sector
?
No
Remove VID from A9
Write Reset Command
Device Failed
Sector Protection
Completed
* : A-1 is VIL on byte mode.
Figure 24 Sector Protection Algorithm
50
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