參數(shù)資料
型號(hào)： S29AL016D70TAN013
廠商： SPANSION LLC
元件分類： PROM
英文描述： 1M X 16 FLASH 3V PROM, 70 ns, PDSO48
封裝： MO-142DDD, TSOP-48
文件頁數(shù)： 13/55頁
文件大?。?/td> 1809K
代理商： S29AL016D70TAN013
20
S29AL016D
S29AL016D_00_A7 November 27, 2007
Da ta
Sh e e t
7.11
Temporary Sector Unprotect
This feature allows temporary unprotection of previously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RESET# pin to VID. During this mode, formerly protected
sectors can be programmed or erased by selecting the sector addresses. Once VID is removed from the
RESET# pin, all the previously protected sectors are protected again. Figure 7.1 shows the algorithm, and
Figure 17.11 on page 46 shows the timing diagrams, for this feature.
Figure 7.1 Temporary Sector Unprotect Operation
Notes
1. All protected sectors unprotected.
2. All previously protected sectors are protected once again.
START
Perform Erase or
Program Operations
RESET# = VIH
Temporary Sector
Unprotect Completed
RESET# = VID
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