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參數(shù)資料
| 型號(hào)： | S29AL008D90MAN020 |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 512K X 16 FLASH 3V PROM, 90 ns, PDSO44 |
| 封裝： | MO-180AAA, SOP-44 |
| 文件頁數(shù)： | 11/52頁 |
| 文件大?。?/td> | 2004K |
| 代理商： | S29AL008D90MAN020 |
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February 27, 2009 S29AL008D_00_A11
S29AL008D
19
Data
She 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 15.11 on page 42 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S29AL008D90MAN021 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90TAI013 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90TAI020 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90TAI023 | 8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90TAN010 | Ceramic Chip Capacitors / High Voltage; Capacitance [nom]: 22pF; Working Voltage (Vdc)[max]: 1000V; Capacitance Tolerance: +/-5%; Dielectric: Multilayer Ceramic; Temperature Coefficient: C0G (NP0); Lead Style: Surface Mount Chip; Lead Dimensions: 0805; Termination: Tin (Sn) Plated Nickel Barrier; Body Dimensions: 0.079" x 0.049"; Container: Bulk; Features: High Voltage; Unmarked |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S29AL008D90MAN021 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90MAN022 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90MAN023 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90MANR10 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL008D90MANR11 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:8 Megabit (1 M x 8-Bit/512 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
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