Patent · US Expired

Semiconductor random access nonvolatile memory device with restore and control circuits

US4799194A · kind A · utility

31Cited by
10References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 20, 1987
Grant dateJan 17, 1989
Priority date
Expiry dateFeb 20, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C7/20
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a nonvolatile memory device which is integrated by combining SRAM cells and nonvolatile memory cells at a ratio of 1:1; a control circuit is provided which, at a recall time, selects all word lines and supplies a predetermined electric potential to bit lines, so that a recall is carried out simply and accurately.

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