Patent · US Expired

Microprocessor with secure programmable read only memory circuit

US5657444A · kind A · utility

5Cited by
23References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1995
Grant dateAug 12, 1997
Priority date
Expiry dateAug 3, 2015

Classification

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

Abstract

A microprocessor which has a secure read only memory is disclosed. The secure read only memory provides for storage of a program and security to protect that program.

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