Patent · US Active

Endurance of silicon-oxide-nitride-oxide-silicon (SONOS) memory cells

US9378821B1 · kind B1 · utility

4Cited by
9References
14Claims
0Family size

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Inventors

Key dates

Filing dateMar 8, 2013
Grant dateJun 28, 2016
Priority date
Expiry dateMar 18, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/14
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Apparatuses and methods of pulse shaping a pulse signal for programming and erasing a Silicon-Oxide-Nitride-Oxide-Silicon (SONOS) memory cell are described. In one method a pulse shape of a pulse signal is controlled to include four or more phases for programming or erasing a SONOS memory cell. A write cycle is performed to program or erase the SONOS memory with the pulse signal with the four or more phases.

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