????mlc??U???SLC??MLC????TLC??????
?????????????????????????????о?????U??????????????U???????????????MLC????????????????????????
u??о?????SLC??TLC??MLC????????????????????????????????????u????С????????????????MLC??SLC??TLC????塣
????SLC??????MLC??????TLC??MLC??SLC??TLC?????????????????????????
??????SLC??MLC??TLC????????????????????????????
??SLCо?????????
??SLC?????????Single-Level Cell?????????????????????????1bit/cell????????????????????????????????á?SLC????????????????????????е????????????????д?????????????????????????????????????????????????????????????????????????????1?????????????????????????????????????????????????????Silicon efficiency????????????????????????????????(Process enhancements)??????????????SLC????????
SLC???????????????????????????????????????MLC??????????????????????д????д????????
??MLCо?????????
??MLC?????????Multi-Level Cell????????????????????????2bit/cell?????????????Renesas????????á???????Intel????1997??9???????????MLC?????????????????λ????????????FloatingGate??????洢????д?????????????????ò????λ??Level????????????洢?????????????д??MLC??????????????????????????????λ???????????????SLC?????0??1?????????MLC?????????δ???4??????????????MLC????????б???????????
MLC?????????????????????????????????????????3000??10000?ε?д????д????????
??TLCо?????????
??TLC?????????Triple-Level Cell??????????3bit/cell???????Flash??????????8LC????TLCо??????????????????????????????Ч???????????????????????NAND Flash?????????????????????俨??С????俨microSD???????????
TLC??????????????????????????????????????????????????????500?ε?д????д????????????λ??????????????????????1000??д????д?????
??????????????????????U?????в????????о?????????MLC?е???A??о?????д????????H2testw v1.4?????????MLCд?????: 4.28-5.59 MByte/s????????: 12.2-12.9 MByte/s??????SLCд?????: 8.5MByte/s????????: 14.3MByte/s??
u?????????????????????????д????д?????????????????????????????????u??о????????????
SLC??MLC??TLC????????о????????????
SLC???????????????????? ?????????洢1??bit????????10??β?д??????
MLC???????ò????λ??????????????洢2??bit???????????β?д??????SLC-MLC????????????????????????1/10????
TLC???????ò????λ??????????????洢3??bit????????500-1000?β?д??????MLC-TLC??????????1/2?????????????1/20????
??SLC??MLC?????????
??????u???г??????SLCо???MLCо????????????????????????SLC??MLC????ɡ?
SLC??????0??1?????????MLC?????????δ洢4????????????MLC????????????????????????????????????????????????????????????????????豸????г????????????
MLC??SLC?????MLC?????????????????????????????????MLC???д???????????????????
??SLC??MLC????????
MLC????в????????????????????????SLC????MLC???????????1??ε??д????SLC???????????10??ε??д??
??ξ????????????????????????????MLCо????????????????6MB???????SLC?????????????MLC??????????????????????
???о???MLC??????????SLC????????????????????MLC??SLC???????MLC????????????SLC???????????????????????
??????MLC??SLC????MLC?????????????о????????棬???MLC???????????????????MLC???????????о???????????????2GB??4GB??8GB???????????????г?????
????????????????SLC??TLC??MLC???????????????????????????U????ɡ?
????admin ?????????2017-08-19
