Patent · US Expired

Non-volatile memory cell and sensing method

US4888733A · kind A · utility

173Cited by
2References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 12, 1988
Grant dateDec 19, 1989
Priority date
Expiry dateSep 12, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C11/22
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A ferroelectric memory cell has one capacitor isolated from bit lines by two transistors, one on each side. The cell is read by pulsing the capacitor in one direction, then the other, storing developed charge on other capacitors or the like, and comparing voltages.

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