參數(shù)資料
型號(hào): S29GL128N10FAI010
廠商: SPANSION LLC
元件分類: DRAM
英文描述: 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
中文描述: 8M X 16 FLASH 3V PROM, 100 ns, PBGA64
封裝: 13 X 11 MM, FBGA-64
文件頁數(shù): 46/100頁
文件大?。?/td> 952K
代理商: S29GL128N10FAI010
44
S29GL-N MirrorBit Flash Family
S29GL-N_00_B3 October 13, 2006
D a t a S h e e t
the first sector (SA0). This mode of operation continues until the system issues the Exit Se-
cured Silicon Sector command sequence, or until power is removed 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, accelerated
and/or unlock bypass methods, in addition to the standard programming command sequence.
See
Command Definitions on page 50
.
Programming and protecting the Secured Silicon Sector must be used with caution 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.
The Secured Silicon Sector area can be protected using one of the following procedures:
Write the three-cycle Enter Secured Silicon Sector Region command.
To verify the protect/unprotect status of the Secured Silicon Sector, follow the algorithm.
Once the Secured Silicon Sector is programmed, locked and verified, the system must write
the Exit Secured Silicon Sector Region command sequence to return to reading and writing
within the remainder of the array.
Factory Locked: Secured Silicon Sector Programmed and
Protected At the Factory
In devices with an ESN, the Secured Silicon Sector is protected when the device is shipped
from the factory. The Secured Silicon Sector cannot be modified in any way. An ESN Factory
Locked device has an 16-byte random ESN at addresses 000000h–000007h. Please contact
your sales representative for details on ordering ESN Factory Locked devices.
Customers may opt to have their code programmed by the factory through the ExpressFlash
service (Express Flash Factory Locked). The devices are then shipped from the factory with
the Secured Silicon Sector permanently locked. Contact your sales representative for details
on using the ExpressFlash service.
W rite Protect ( W P# )
The Write Protect function provides a hardware method of protecting the first or last sector
group without using V
ID
. Write Protect is one of two functions provided by the WP#/ACC
input.
If the system asserts V
IL
on the WP#/ACC pin, the device disables program and erase func-
tions in the first or last sector group independently of whether those sector groups were
protected or unprotected using the method described in
Advanced Sector Protection on
page 38
. Note that if WP#/ACC is at V
IL
when the device is in the standby mode, the maxi-
mum input load current is increased. See the table in
DC Characteristics on page 74
.
I f the system asserts V
IH
on the W P# / ACC pin, the device reverts to w hether the
first or last sector w as previously set to be protected or unprotected. Note that W P#
has an internal pullup; w hen unconnected, W P# is at V
IH
.
相關(guān)PDF資料
PDF描述
S29GL128N10FAI012 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
S29GL128N10FAI013 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
S29GL128N10FAI020 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
S29GL128N10FAI022 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
S29GL128N10FAI023 3.0 Volt-only Page Mode Flash Memory featuring 110 nm MirrorBit⑩ Process Technology
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