Patent · US Active

Method of testing a non-volatile memory device

US7697341B2 · kind B2 · utility

5Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 2008
Grant dateApr 13, 2010
Priority date
Expiry dateSep 11, 2028

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/04
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method of testing a non-volatile memory device on a wafer is disclosed. The method includes performing an erase operation and a first verify operation about every memory cell in the non-volatile memory device, storing data of a first latch in a page buffer for storing result in accordance with the first verify operation in a second latch, and setting the data of the first latch to data indicating pass of the verifying, and performing a soft program and a second verify operation about every memory cell.

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