Patent · US Expired

Non-volatile semiconductor memory that is based on a virtual ground method

US6914824B2 · kind B2 · utility

1Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 2003
Grant dateJul 5, 2005
Priority date
Expiry dateMar 21, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/26
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory that prevents a decrease in margin at read time. A bit line in a floating state between a drain in a memory cell to be read and a charged bit line is charged for a certain period of time.

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