Patent · US Expired

Semiconductor integrated circuit device

US4807190A · kind A · utility

21Cited by
4References
46Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 24, 1987
Grant dateFeb 21, 1989
Priority date
Expiry dateFeb 24, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C11/4085
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A dynamic RAM is provided in which an output voltage of a booster circuit for forming a word line selection timing signal is rendered greater than a power source potential and less than a predetermined potential by providing voltage limitation means, thereby preventing destruction of circuit elements receiving the output voltage.

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