闪存芯片又称Flash存储器,分为SLC、MLC和TLC三类。SLC和MIC分别是Single-LevelCell (单层单元)和Muli-level Cel(多层单元)的缩写。SLC的特点是单层单元,成本高、容量小、速度快;MLC的特点是双层单元,容量大、成本低,但速度慢。MLC的每个单元是2bit,相对SLC来说整整多了倍。 |
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