参数资料
型号: MBM29LV651UE-90TN
厂商: SPANSION LLC
元件分类: PROM
英文描述: 4M X 16 FLASH 3V PROM, 90 ns, PDSO48
封装: PLASTIC, TSOP1-48
文件页数: 46/57页
文件大小: 640K
代理商: MBM29LV651UE-90TN
MBM29LV650UE90/651UE90
49
5.
Sector Group Protection Algorithm
Setup Sector Group Addr.
(A21, A20, A19, A18, A17)
Activate WE Pulse
WE = V IH, CE = OE = V IL
(A 9 should remain V ID)
Yes
No
OE = V ID, A 9 = V ID,
CE = V IL, RESET = V IH
A 6 = A 0 = V IL, A 1 = V IH
PLSCNT = 1
Time out 100
s
Read from Sector Group
(Addr. = SPA, A 1 = V IH,
A 6 = A 0 = V IL)
Remove V ID from A 9
Write Reset Command
Increment PLSCNT
No
Yes
Protect Another Sector
Group ?
Data = 01h?
PLSCNT = 25?
Remove V ID from A 9
Write Reset Command
Start
Sector Group Protection
Completed
Device Failed
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