Kev ua, daim ntawv thov thiab kev loj hlob ntawm Nand Flash

Cov txheej txheem ntawm Nand Flash

NAND Flash yog ua tiav los ntawm cov khoom siv silicon thawj, thiab cov khoom siv silicon tau ua tiav rau hauv wafers, uas feem ntau muab faib ua 6 ntiv tes, 8 ntiv tes, thiab 12 ntiv tes.Ib lub wafer yog tsim los ntawm tag nrho cov wafer.Yog, pes tsawg tus wafer tuaj yeem txiav los ntawm ib lub wafer yog txiav txim siab raws li qhov loj ntawm qhov tuag, qhov loj ntawm lub wafer thiab tus nqi tawm los.Feem ntau, ntau pua ntawm NAND FLASH chips tuaj yeem ua rau ntawm ib qho wafer.

Ib lub wafer ib zaug ua ntej ntim yuav yog Die, uas yog ib qho me me txiav los ntawm Wafer los ntawm lub laser.Txhua Die yog ib qho kev ywj pheej ua haujlwm nti, uas yog tsim los ntawm ntau lub transistor circuits, tab sis tuaj yeem ntim tau raws li ib chav tsev thaum kawg Nws dhau los ua ib qho flash particle nti.Feem ntau siv hauv cov khoom siv hluav taws xob xws li SSD, USB flash drive, nco daim npav, thiab lwm yam.

Lub wafer uas muaj NAND Flash wafer, lub wafer tau sim thawj zaug, thiab tom qab qhov kev xeem dhau lawm, nws raug txiav thiab rov kuaj dua tom qab txiav, thiab qhov tsis zoo, ruaj khov, thiab muaj peev xwm tuag tag nrho raug tshem tawm, thiab tom qab ntawd ntim.Ib qho kev sim yuav raug ua dua ntxiv rau encapsulate Nand Flash hais uas tau pom txhua hnub.

Tus so ntawm lub wafer yog qhov tsis ruaj khov, ib feem puas thiab yog li tsis muaj peev xwm txaus, lossis puas tag nrho.Ua tsaug rau qhov kev lees paub zoo, lub Hoobkas thawj yuav tshaj tawm tias qhov no tuag, uas yog nruj me ntsis txhais raws li kev pov tseg ntawm tag nrho cov khoom pov tseg.

Tsim nyog Flash Die thawj lub Hoobkas ntim khoom yuav ntim rau hauv eMMC, TSOP, BGA, LGA thiab lwm yam khoom raws li qhov xav tau, tab sis kuj tseem muaj qhov tsis xws luag hauv ntim, lossis qhov kev ua tau zoo tsis yog raws li tus qauv, cov Flash hais yuav raug lim tawm dua, thiab cov khoom yuav raug lav los ntawm kev sim nruj.zoo.

Flash nco particle manufacturers feem ntau yog sawv cev los ntawm ntau lub tuam txhab loj xws li Samsung, SK Hynix, Micron, Kioxia (yav tas los Toshiba), Intel, thiab Sandisk.

Raws li qhov xwm txheej tam sim no uas txawv teb chaws NAND Flash ua lag luam, Suav NAND Flash chaw tsim khoom (YMTC) tau tshwm sim tam sim ntawd los tuav ib qho chaw hauv khw.Nws 128-txheej 3D NAND yuav xa 128-txheej 3D NAND cov qauv mus rau lub chaw cia khoom nyob rau hauv thawj peb lub hlis twg ntawm 2020. Cov neeg tsim khoom, aiming nkag mus rau cov yeeb yaj kiab thiab kev tsim khoom loj hauv peb lub hlis twg, tau npaj yuav siv ntau yam khoom siv davhlau ya nyob twg. raws li UFS thiab SSD, thiab yuav raug xa mus rau cov chaw tsim khoom nyob rau tib lub sijhawm, suav nrog TLC thiab QLC cov khoom, kom nthuav dav cov neeg siv khoom.

Daim ntawv thov thiab kev txhim kho ntawm NAND Flash

Raws li qhov siv tau zoo-xeev tsav nruab nrab, NAND Flash muaj qee yam ntawm lub cev ntawm nws tus kheej.Lub neej ntev ntawm NAND Flash tsis sib npaug rau lub neej ntawm SSD.SSDs tuaj yeem siv ntau txoj hauv kev los txhim kho lub neej ntawm SSDs tag nrho.Los ntawm txoj kev sib txawv, lub neej ntawm SSDs tuaj yeem nce 20% mus rau 2000% piv rau NAND Flash.

Hloov pauv, lub neej ntawm SSD tsis sib npaug rau lub neej ntawm NAND Flash.Lub neej ntawm NAND Flash yog qhov tseem ceeb ntawm P / E lub voj voog.SSD yog tsim los ntawm ntau yam Flash hais.Los ntawm disk algorithm, lub neej ntawm cov khoom tuaj yeem siv tau zoo.

Raws li lub hauv paus ntsiab lus thiab kev tsim cov txheej txheem ntawm NAND Flash, txhua lub lag luam tseem ceeb ntawm lub cim xeeb tau nquag ua haujlwm ntawm kev tsim ntau txoj hauv kev los txo tus nqi ib me ntsis ntawm lub cim xeeb flash, thiab nquag tshawb nrhiav kom nce cov txheej txheem ntsug hauv 3D NAND Flash.

Nrog rau txoj kev loj hlob sai ntawm 3D NAND thev naus laus zis, QLC thev naus laus zis tseem tab tom loj hlob, thiab QLC cov khoom tau pib tshwm sim ib zaug.Nws yog qhov pom tau tias QLC yuav hloov TLC, ib yam li TLC hloov MLC.Ntxiv mus, nrog kev sib txuas ntxiv ntawm 3D NAND ib leeg-tuag muaj peev xwm, qhov no tseem yuav tsav cov neeg siv khoom SSDs mus rau 4TB, kev lag luam-theem SSDs kom hloov mus rau 8TB, thiab QLC SSDs yuav ua tiav cov haujlwm uas tshuav los ntawm TLC SSDs thiab maj mam hloov HDDs.cuam ​​tshuam rau NAND Flash lag luam.

Cov peev txheej ntawm kev tshawb fawb txheeb cais suav nrog 8 Gbit, 4Gbit, 2Gbit thiab lwm yam SLC NAND flash nco tsawg dua 16Gbit, thiab cov khoom siv tau siv hauv cov khoom siv hluav taws xob, Internet of Things, automotive, industrial, kev sib txuas lus thiab lwm yam kev lag luam.

Cov tuam txhab thoob ntiaj teb thawj coj kev tsim kho 3D NAND thev naus laus zis.Hauv kev ua lag luam NAND Flash, rau thawj lub tuam txhab xws li Samsung, Kioxia (Toshiba), Micron, SK Hynix, SanDisk thiab Intel tau ntev monopolized ntau dua 99% ntawm kev lag luam thoob ntiaj teb.

Tsis tas li ntawd, cov chaw tsim khoom lag luam thoob ntiaj teb tseem tab tom ua cov kev tshawb fawb thiab kev txhim kho ntawm 3D NAND thev naus laus zis, tsim cov txheej txheem tuab tuab.Txawm li cas los xij, qhov sib txawv ntawm cov qauv tsim ntawm txhua lub Hoobkas qub yuav muaj qee yam cuam tshuam rau nws cov khoom tsim tawm.Samsung, SK Hynix, Kioxia, thiab SanDisk tau ua tiav qhov tseeb 100+ txheej 3D NAND khoom.

Nyob rau theem tam sim no, kev txhim kho ntawm NAND Flash kev ua lag luam feem ntau yog tsav los ntawm qhov kev thov rau smartphones thiab ntsiav tshuaj.Piv nrog rau cov ntaub ntawv khaws cia ib txwm muaj xws li cov cuab yeej hard drive, SD phaib, hard-state drives thiab lwm yam khoom siv khaws cia siv NAND Flash chips tsis muaj cov qauv siv tshuab, tsis muaj suab nrov, lub neej ntev, kev siv hluav taws xob tsawg, kev ntseeg siab, me me, nyeem ceev thiab sau ceev, thiab kev khiav hauj lwm kub.Nws muaj ntau yam thiab yog txoj kev loj hlob ntawm kev loj-muaj peev xwm cia rau yav tom ntej.Nrog rau qhov tshwm sim ntawm lub sijhawm ntawm cov ntaub ntawv loj, NAND Flash chips yuav tsim tau zoo heev yav tom ntej.