SEMICONDUCTOR MEMORY DEVICE AND OPERATION METHOD THEREOF

SEMICONDUCTOR MEMORY DEVICE AND OPERATION METHOD THEREOF

A semiconductor memory device and an operation method thereof are provided to prevent leakage of data by generating a logic address according to different conversion rule before and after format. An input part(102) inputs an address and a data. A memory part(103) memorizes a data and a FAT(file allo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAISE TETSUYA, NAITO KATSUSHI, OGO TAKASHI, OKABAYASHI HIROKO
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:A semiconductor memory device and an operation method thereof are provided to prevent leakage of data by generating a logic address according to different conversion rule before and after format. An input part(102) inputs an address and a data. A memory part(103) memorizes a data and a FAT(file allocation table). An address conversion part(121) converts the address. An access part(117) accesses the memory part according to a converted address. A detection part(114) detects format of the FAT. A changing part(122) changes a conversion rule in the address conversion part according to a detected result of the detection part.