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参数资料
| 型号： | S29AL016M10FFI020 |
| 厂商： | SPANSION LLC |
| 元件分类： | PROM |
| 英文描述： | 16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| 中文描述： | 1M X 16 FLASH 3V PROM, 100 ns, PBGA64 |
| 封装： | 13 X 11 MM, LEAD FREE, FBGA-64 |
| 文件页数： | 14/62页 |
| 文件大小： | 1850K |
| 代理商： | S29AL016M10FFI020 |
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October 11, 2006 S29AL016M_00_A7
S29AL016M
19
Data
Sheet
Secured Silicon Sector Flash Memory Region
The Secured Silicon Sector feature provides a Flash memory region that enables
permanent part identification through an Electronic Serial Number (ESN). The
Secured Silicon Sector is 256 bytes in length, and uses a Secured Silicon Sector
Indicator Bit (DQ7) to indicate whether or not the Secured Silicon Sector is
locked when shipped from the factory. This bit is permanently set at the factory
and cannot be changed, which prevents cloning of a factory locked part. This en-
sures the security of the ESN once the product is shipped to the field.
The device is offered with the Secured Silicon Sector either customer lockable
(standard shipping option) or factory locked (contact a sales office or represen-
tative for ordering information). The customer-lockable version is shipped with
the Secured Silicon Sector unprotected, allowing customers to program the sec-
tor after receiving the device. The customer-lockable version also has the
Secured Silicon Sector Indicator Bit permanently set to a “0.” The factory-locked
version is always protected when shipped from the factory, and has the Secured
Silicon Sector Indicator Bit permanently set to a “1.” Thus, the Secured Silicon
Sector Indicator Bit prevents customer-lockable devices from being used to re-
place devices that are factory locked. Note that the ACC function and unlock
bypass modes are not available when the Secured Silicon Sector is enabled.
The Secured Silicon sector address space in this device is allocated as follows:
Table 5. Secured Silicon Sector Addressing
The system accesses the Secured Silicon Sector through a command sequence
(see “Enter Secured Silicon Sector/Exit Secured Silicon Sector Command Se-
quence”). After the system has written the Enter Secured Silicon Sector
command sequence, it may read the Secured Silicon Sector by using the ad-
dresses given in Table 5. This mode of operation continues until the system
issues the Exit Secured Silicon Sector command sequence, or until power is re-
moved from the device. On power-up, or following a hardware reset, the device
reverts to sending commands to sector SA0.
Customer Lockable: Secured Silicon Sector NOT Programmed or
Protected At the Factory
Unless otherwise specified, the device is shipped such that the customer may
program and protect the 256-byte Secured Silicon sector.
The system may program the Secured Silicon Sector using the write-buffer, ac-
celerated and/or unlock bypass methods, in addition to the standard
programming command sequence. See Command Definitions.
Programming and protecting the Secured Silicon Sector must be used with cau-
tion since, once protected, there is no procedure available for unprotecting the
Secured Silicon Sector area and none of the bits in the Secured Silicon Sector
memory space can be modified in any way.
Secured Silicon Sector Address
Range
Customer
Lockable
ESN Factory
Locked
ExpressFlash
Factory Locked
x16
x8
0F8000h–
0F8007h
1F0000h-
1F000Fh
Determined by
customer
ESN
ESN or determined
by customer
0F8008h–
0F807Fh
1F0010h-
1F00FFh
Unavailable
Determined
by customer
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S29AL016M10FFI022 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M10FFI023 | 制造商:SPANSION 制造商全称: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 |
| S29AL016M10FFIR10 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
| S29AL016M10FFIR12 | 制造商:SPANSION 制造商全称: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 |
| S29AL016M10FFIR13 | 制造商:SPANSION 制造商全称:SPANSION 功能描述:16 MEGABIT (2M X 8 BIT / I M X 16 BIT) 3.0 VOLT ONLY BOOT SECTOR FLASH MEMORY |
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