6ES73071EA800AA0
发布时间：2019-02-21 08:47:04点击率：
6ES73071EA800AA0
6ES73071EA800AA0
6ES73071EA800AA0
6ES73071EA800AA0
《座机：0592-5709825》
《传真：0592-5917519》
《24小时热线：18030229053微信同步》
《QQ ：2479261344》
《QQ邮箱：2479261344@qq》
直到数据可能出现损坏或者丢失前，您可以进行10K到100K次写操作。“擦写周期”这一个令人烦恼的事情。Flash存储的一个限制是，在被擦除之前是无法进行写操作的。而且，不能通过位擦差来完成，而是需要更大的单位，称为块。糟糕的情况是，如果你只想改变一个字节，但是可能需要擦除整个块。一个块大可以使512KB。这种比你想象的要大的多的擦/写比现象称为写放大。并且可能还有flash文件系统所需的额外写操作。如果你想要评估你嵌入式设备上的存储的寿命，你应该把这个也考虑进来。
FRENICMiniFRN002C1S-2U
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AllenBradley5120-P1SeriesA+BPowerSupply
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MitaFaxLDC-850LDC850FaxMachine+1Boxoftoner
QuadTechIncW/GADC#3PCBAssyP/N25605