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參數(shù)資料
| 型號： | S29AL016M90BFIR22 |
| 廠商： | SPANSION LLC |
| 元件分類： | DRAM |
| 英文描述： | Hex Schmitt Trigger; Package: TSSOP-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 1M X 16 FLASH 3V PROM, 90 ns, PBGA48 |
| 封裝： | 6 X 8 MM, LEAD FREE, FBGA-48 |
| 文件頁數(shù)： | 16/59頁 |
| 文件大?。?/td> | 1917K |
| 代理商： | S29AL016M90BFIR22 |
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17
S29AL016M
S29AL016M_00A4 April 21, 2004
Sector protection and unprotection requires V
ID
on the RESET# pin only, and can
be implemented either in-system or via programming equipment.
Figure 2
shows
the algorithms and
Figure 23
shows the timing diagram. This method uses stan-
dard microprocessor bus cycle timing. For sector unprotect, all unprotected
sectors must first be protected prior to the first sector unprotect write cycle.
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 V
ID
. During this mode, formerly protected sectors can be pro-
grammed or erased by selecting the sector addresses. Once V
ID
is removed from
the RESET# pin, all the previously protected sectors are protected again.
Figure
shows the algorithm, and
Figure 22
shows the timing diagrams, for this feature.
Notes:
1. All protected sectors unprotected.
2. All previously protected sectors are protected once again.
Figure 1. Temporary Sector Unprotect Operation
START
Perform Erase or
Program Operations
RESET# = V
IH
Temporary Sector
Unprotect Completed
(Note 2)
RESET# = V
ID
(Note 1)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S29AL016M90BFIR23 | Hex Schmitt Trigger; Package: TSSOP-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500 |
| S29AL016M90FAI010 | Hex Schmitt Trigger; Package: SOEIAJ-14; No of Pins: 14; Container: Rail; Qty per Container: 50 |
| S29AL016M90FAI012 | Hex Schmitt Trigger; Package: SOEIAJ-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2000 |
| S29AL016M90FAI013 | Hex Schmitt Trigger; Package: SOEIAJ-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2000 |
| S29AL016M90FAI020 | Hex Schmitt Trigger; Package: SOEIAJ-14; No of Pins: 14; Container: Rail; Qty per Container: 50 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S29AL016M90BFIR23 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M90FAI010 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M90FAI012 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M90FAI013 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M90FAI020 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:16 Megabit (2 M x 8-Bit/1 M x 16-Bit) 3.0 Volt-only Boot Sector Flash Memory Featuring MirrorBit⑩ Technology |
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