Patent · US Expired

Data protection method for a semiconductor memory and corresponding protected memory device

US6286086A · kind A · utility

0Cited by
8References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1998
Grant dateSep 4, 2001
Priority date
Expiry dateDec 23, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/22
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method of protecting data in a semiconductor electronic memory, which includes using a protected memory portion within the matrix and respective dedicated decoding portions for storing, into the protected portion, a protection code without the address area of the matrix. The protection code can only be written and/or read through a command interpreter.

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