Patent · US Active

Operating method of nonvolatile memory and method of controlling nonvolatile memory

US9076683B2 · kind B2 · utility

1Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2012
Grant dateJul 7, 2015
Priority date
Expiry dateMar 23, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10B43/35
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An operating method of a nonvolatile memory, which includes a plurality of cell strings, each cell string having a plurality of memory cells and a string selection transistor stacked on a substrate, includes detecting threshold voltages of the string selection transistors of the plurality of cell strings; adjusting voltages to be supplied to the string selection transistors according to the detected threshold voltages; and applying the adjusted voltages to the string selection transistors to select or unselect the plurality of cell strings during a programming operation.

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