Patent · US Expired

Semiconductor integrated circuit device and method of testing the same

US5155701A · kind A · utility

36Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1990
Grant dateOct 13, 1992
Priority date
Expiry dateJun 8, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C16/04
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An EPROM and a method of testing the former, in which a defective memory cell caused by defects in the insulating films between a substrate and a floating gate and between the floating gate and a control gate can be tested without writing any data in the individual memory cells by holding data lines to a low potential and word lines fed with a voltage.

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