Patent · US Expired

Semiconductor memory device having improved precharge scheme

US4817057A · kind A · utility

19Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 1987
Grant dateMar 28, 1989
Priority date
Expiry dateFeb 17, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C8/12
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory device provided with an improved precharge scheme for bit lines is disclosed. A plurality of bit lines are divided into a plurality of bit line group and a precharge control signal is applied only to precharge transistors in a selected bit line group.

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