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參數(shù)資料
| 型號： | W29GL064CT9A |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 64M X 1 FLASH 3V PROM, 100 ns, PBGA48 |
| 封裝： | GREEN, VFBGA-48 |
| 文件頁數(shù)： | 19/64頁 |
| 文件大?。?/td> | 563K |
| 代理商： | W29GL064CT9A |
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W29GL064C
20
7.4
Security Sector Flash Memory Region
An extra memory space length of 128 words is used as the Security Sector Region which can be
factory locked or customer lockable. To enquire about the lock status of the device, the customer can
issue a Security Sector Protect Verify or Security Sector Factory Protect Verify using Automatic Select
Address 03h and DQ7.
The security sector region is unprotected when shipped from factory and the security silicon indicator
bit (DQ7) is set to "0" for a customer lockable device. The security sector region is protected when
shipped from factory and the security silicon sector indicator bit is set to "1" for a factory-locked device.
7.4.1
Factory Locked: Security Sector Programmed and Protected at factory
In a factory locked device, the Security Sector is permanently locked prior to factory shipment The
ESN occupies addresses 00000h to 00007h in word mode for all configurations since the device has a
16-byte (8-word) ESN(Electronic Serial Number) in the security region.
Security Silicon Sector
Address Range
Standard Factory
Locked
Express Flash Factory
Locked
Customer
Lockable
000000h-000007h
ESN
ESN or Determined by
Customer
000008h-00007Fh
Inaccessible
Determined by Customer
Determined by
Customer
Table 7-12
Factory Locked: Security Sector
7.4.2
Customer Lockable: Security Sector Not Programmed or Protected
Important Notice; Once the security silicon sector is protected (Lock Register OTP DQ0 = “0”, Security
Sector indicator DQ7 bit=”0”), there is no way to unprotect the security silicon sector and the contents
of the memory region can no longer be programmed or erased.
Once the security silicon is locked and verified, an Exit Security Sector Region instruction must be
executed to get back to the Read Array mode. A power cycle, or a hardware reset will also return the
device to read array mode.
This region can act as extra memory space when this security feature is not utilized.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W29GL128C | 制造商:WINBOND 制造商全稱:Winbond 功能描述:128M-BIT 3.0-VOLT PARALLEL FLASH MEMORY WITH PAGE MODE |
| W29GL128CH9B | 功能描述:IC FLASH 128MBIT 90NS 64LFBGA RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:閃存 - NAND 存儲(chǔ)容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6 |
| W29GL128CH9B TR | 制造商:Winbond Electronics Corp 功能描述:IC FLASH 128MBIT 90NS 64LFBGA |
| W29GL128CH9T | 功能描述:IC FLASH 128MBIT 90NS 56TSOP RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 格式 - 存儲(chǔ)器:EEPROMs - 串行 存儲(chǔ)器類型:EEPROM 存儲(chǔ)容量:1K (128 x 8) 速度:100kHz 接口:UNI/O?（單線） 電源電壓:1.8 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) |
| W29GL128CH9T TR | 制造商:Winbond Electronics Corp 功能描述:IC FLASH 128MBIT 90NS 56TSOP |
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