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The AT26DF081A also offers a sophisticated method for protecting individual sectors against
erroneous or malicious program and erase operations. By providing the ability to individually pro-
tect and unprotect sectors, a system can unprotect a specific sector to modify its contents while
keeping the remaining sectors of the memory array securely protected. This is useful in applica-
tions where program code is patched or updated on a subroutine or module basis, or in
applications where data storage segments need to be modified without running the risk of errant
modifications to the program code segments. In addition to individual sector protection capabili-
ties, the AT26DF081A incorporates Global Protect and Global Unprotect features that allow the
entire memory array to be either protected or unprotected all at once. This reduces overhead
during the manufacturing process since sectors do not have to be unprotected one-by-one prior
to initial programming.
Specifically designed for use in 3-volt systems, the AT26DF081A supports read, program, and
erase operations with a supply voltage range of 2.7V to 3.6V. No separate voltage is required for
programming and erasing.
2
AT26DF081A
3600G–DFLASH–06/09
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相关代理商/技术参数
AT26DF081A-SSU-RET 制造商:Atmel Corporation 功能描述:
AT26DF081A-ST-B 制造商:Adesto Technologies Corporation 功能描述:8-SOIC-W, AUTO GRADE 3, 2.7V, TUBE - Rail/Tube
AT26DF081A-ST-T 制造商:Adesto Technologies Corporation 功能描述:8-SOIC-W, AUTO GRADE 3, 2.7V, T&R - Tape and Reel
AT26DF081A-SU 功能描述:闪存 8M 8 I/O Pins SPI 256B 2.7V-3.6V RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
AT26DF081-MU 制造商:Adesto Technologies Corporation 功能描述:SF DATAFLASH, 8M, MLF, IND TEMP,GREEN - Trays
AT26DF081-SU 制造商:Adesto Technologies Corporation 功能描述:SF DATAFLASH, 8M, SOIC ,IND TEMP, GREEN - Rail/Tube
AT26DF161 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:16-megabit 2.7-volt Only Serial Firmware DataFlash Memory
AT26DF161_06 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:16-megabit 2.7-volt Only Serial Firmware DataFlash Memory