Patent · US Active

Data storage device and data accessing method thereof

US9779017B2 · kind B2 · utility

2Cited by

1References

3Claims

0Family size

Assignee

Silicon Motion, Inc. · TW

Inventors

Chi-Lung Wang · Hsinchu, TW
Chia-Ta Huang · Zhubei City, TW

Key dates

Filing date	Mar 17, 2016
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Mar 17, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG11C29/832
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A data storage device including a flash memory and a controller. The flash memory includes a plurality of dies having a plurality of columns, wherein each of the columns is constituted by a plurality of sectors. The controller performs a read operation or a write operation from a first column to an Nth column in response to a read command or a write command, and skips at least two columns within the range of the first column to the Nth column according to a first bad column data set, wherein the first bad column data set has a starting address and the number of columns.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.