Patent · US Expired

Semiconductor non-volatile storage device capable of a high speed reading operation

US6122196A · kind A · utility

27Cited by
3References
18Claims
0Family size

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Inventors

Key dates

Filing dateDec 23, 1998
Grant dateSep 19, 2000
Priority date
Expiry dateDec 23, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/30
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The present invention proposes a non-volatile semiconductor storage, comprising a plurality of main bit lines, a plurality of sub bit lines connected to the main bit lines, and a plurality of memory cell arrays, each including a plurality of non-volatile semiconductor memory cells disposed like an array. Each of those memory cells has a source terminal, a drain terminal, and a control gate, and each source-drain path is connected to a sub bit line. Between a main bit line and a sub bit line connected to the main bit line is disposed the source-drain path of a first transistor, and the source-drain path of a second transistor is connected to the sub bit line.

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