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參數資料
| 型號： | S29GL128N10FAIV12 |
| 廠商： | Spansion Inc. |
| 英文描述： | 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology |
| 中文描述： | 3.0伏只頁面模式閃存具有110納米MirrorBit⑩工藝技術 |
| 文件頁數： | 40/100頁 |
| 文件大小： | 952K |
| 代理商： | S29GL128N10FAIV12 |
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38
S29GL-N MirrorBit Flash Family
S29GL-N_00_B3 October 13, 2006
D a t a S h e e t
Sector Protection
The device features several levels of sector protection, which can disable both the program
and erase operations in certain sectors or sector groups:
Persistent Sector Protection
A command sector protection method that replaces the old 12 V controlled protection method.
Passw ord Sector Protection
A highly sophisticated protection method that requires a password before changes to certain
sectors or sector groups are permitted
W P# Hardw are Protection
A write protect pin that can prevent program or erase operations in the outermost sectors.
The WP# Hardware Protection feature is always available, independent of the software man-
aged protection method chosen.
Selecting a Sector Protection Mode
All parts default to operate in the Persistent Sector Protection mode. The customer must then
choose if the Persistent or Password Protection method is most desirable. There are two
one-time programmable non-volatile bits that define which sector protection method is used.
If the customer decides to continue using the Persistent Sector Protection method, they must
set the
Persistent Sector Protection Mode Locking Bit
. This permanently sets the part to
operate only using Persistent Sector Protection. If the customer decides to use the password
method, they must set the
Passw ord Mode Locking Bit
. This permanently sets the part to
operate only using password sector protection.
It is important to remember that setting either the
Persistent Sector Protection Mode
Locking Bit
or the
Passw ord Mode Locking Bit
permanently selects the protection mode.
It is not possible to switch between the two methods once a locking bit is set.
I t is important
that one mode is explicitly selected w hen the device is first programmed, rather
than relying on the default mode alone.
This is so that it is not possible for a system pro-
gram or virus to later set the Password Mode Locking Bit, which would cause an unexpected
shift from the default Persistent Sector Protection Mode into the Password Protection Mode.
The device is shipped with all sectors unprotected. The factory offers the option of program-
ming and protecting sectors at the factory prior to shipping the device through the
ExpressFlash Service. Contact your sales representative for details.
It is possible to determine whether a sector is protected or unprotected. See
Autoselect Com-
mand Sequence on page 51
for details.
Advanced Sector Protection
Advanced Sector Protection features several levels of sector protection, which can disable
both the program and erase operations in certain sectors.
Persistent Sector Protection
is a method that replaces the old 12V controlled protection
method.
Passw ord Sector Protection
is a highly sophisticated protection method that requires a
password before changes to certain sectors are permitted.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S29GL128N10FFI010 | 制造商:Spansion 功能描述:NOR Flash Parallel 3V/3.3V 128Mbit 16M/8M x 8bit/16bit 100ns 64-Pin Fortified BGA Tray 制造商:Spansion 功能描述:MIRRORBIT FLASH 128MB SMD 29LV128 |
| S29GL128N10FFI020 | 制造商:Spansion 功能描述:Flash - NOR IC |
| S29GL128N10TF101 | 制造商:Spansion 功能描述: |
| S29GL128N10TFI010 | 功能描述:IC FLASH 制造商:cypress semiconductor corp 系列:GL-N 包裝:托盤 零件狀態(tài):在售 存儲器類型:非易失 存儲器格式:閃存 技術:FLASH - NOR 存儲容量:128Mb （16M x 8，8M x 16） 寫周期時間 - 字，頁:100ns 訪問時間:100ns 存儲器接口:并聯 電壓 - 電源:2.7 V ~ 3.6 V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:56-TFSOP（0.724"，18.40mm 寬） 供應商器件封裝:56-TSOP 標準包裝:91 |
| S29GL128N10TFI020 | 制造商:Spansion 功能描述:S29GL128N10TFI020 制造商:Spansion 功能描述:Flash - NOR IC |
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