(19)
(11) EP 2 304 733 A1

(12)

(43) Date of publication:
06.04.2011 Bulletin 2011/14

(21) Application number: 07855106.6

(22) Date of filing: 12.12.2007
(51) International Patent Classification (IPC): 
G11C 16/04(2006.01)
(86) International application number:
PCT/US2007/087262
(87) International publication number:
WO 2008/082888 (10.07.2008 Gazette 2008/28)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 29.12.2006 US 618482
29.12.2006 US 618498

(71) Applicant: Sandisk Corporation
Milpitas, CA 95035 (US)

(72) Inventors:
  • MOOGAT, Farookh
    Fremont, California 94555 (US)
  • KAMEI, Teruhiko
    Kanagawa 236-0043 (JP)

(74) Representative: Hitchcock, Esmond Antony 
Marks & Clerk LLP 90 Long Acre
London WC2E 9RA
London WC2E 9RA (GB)

   


(54) NAND FLASH MEMORY CELL ARRAY AND METHOD WITH ADAPTIVE MEMORY STATE PARTITIONING