Patent · US Expired

Method of operating a flash memory device

US7177192B2 · kind B2 · utility

33Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2005
Grant dateFeb 13, 2007
Priority date
Expiry dateNov 16, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D30/0411
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method of operating a NAND flash memory device that comprising a unit string comprising a string selection transistor connected to a bit line, a cell transistor connected to the string selection transistor, and a ground selection transistor connected to the cell transistor is provided. The method comprises applying a negative bias voltage to the string selection transistor and the ground selection transistor in a stand-by mode of the NAND flash memory device.

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