Difference between revisions of "Arliu.com"
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Latest revision as of 02:47, 9 November 2013
Title
Arliu Diary
Description
Excerpted from the website:
- Flash 闪存是非易失存储器,可以对存储器单元块进行擦写和再编程。任何Flash器件进行写入操作前必须先执行擦除。NAND器件执行擦除操作十分简单;而 NOR则要求在进行擦除前,先要将目标块内所有的位都写为0。擦除NOR器件时是以64~128KB的块进行的,执行一个写入/擦除操作的时间为 1~5s;擦除NAND器件是以8~32KB的块进行的,执行相同的操作最多只需要4ms。执行擦除时,块尺寸的不同近一步拉大了NOR和NADN之间的性能差距。统计表明,对于给定的一套写入操作(尤其是更新小文件时),更多的擦除操作必须在基于NOR的单元中进行。因此,当选择存储解决方案时,设计师必须权衡以下的各项因素。
Additional Information
Related Domains
External Links
- Alexa: Arliu.com
- WHOIS for Arliu.com