Patent · US Active

Semiconductor device

US7551502B2 · kind B2 · utility

75Cited by

1References

8Claims

0Family size

Assignee

ELPIDA MEMORY, INC. · JP

Inventors

Chiaki Dono · Tokyo, JP
Yasuji Koshikawa · Tokyo, JP

Key dates

Filing date	May 17, 2006
Grant date	Jun 23, 2009
Priority date	—
Expiry date	Jan 17, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG11C11/40611
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Double refresh executing means is changed in accordance with a manner (distributed refresh or burst refresh) of a refresh command so as to suppress a drop of internal power supply that occurs upon double refresh.

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