Patent · US Active

Data storage device, controller, and operating method of data storage device

US9153332B2 · kind B2 · utility

5Cited by
10References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2013
Grant dateOct 6, 2015
Priority date
Expiry dateOct 22, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C7/06
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A nonvolatile memory is provided which includes a memory cell array including a plurality of nonvolatile memory cells; a decoder connected with the memory cell array through a plurality of word lines; a data input/output circuit connected with the memory cell array through a plurality of bit lines; a voltage detector configured to detect a variation in a power supply voltage to output a voltage variation signal; and control logic configured to control the decoder and the data input/output circuit such that data stored at the memory cell array is invalidated in response to the voltage variation signal.

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