Patent · US Expired

Semiconductor memory

US7304900B2 · kind B2 · utility

6Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 2006
Grant dateDec 4, 2007
Priority date
Expiry dateMar 23, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C29/846
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a semiconductor memory having a plurality of memory banks that can be independently accessed, remedying bit registers that are substituted for defective memory cells are respectively provided for memory banks in a one-to-one relationship. Also, means for sharing the plurality of remedying bit registers in each memory bank is arranged.

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