Patent · US Expired

Redundancy circuit for use in a semiconductor memory array

US4617651A · kind A · utility

53Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1984
Grant dateOct 14, 1986
Priority date
Expiry dateFeb 22, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C29/785
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory circuit having primary and redundant arrays with the capability of substituting the redundant arrays for defective primary arrays by address location.

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