Patent · US Expired

SRAM with dual word lines overlapping drive transistor gates

US5239196A · kind A · utility

69Cited by
3References
11Claims
0Family size

Inventors

Key dates

Filing dateFeb 11, 1991
Grant dateAug 24, 1993
Priority date
Expiry dateFeb 11, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S257/904

Abstract

A MOSFET Static Random Access Memory (SRAM) cell has a symmetrical construction, with a pair of word lines. The word lines are in second level polysilicon, so that they may overlap the driving transistor gates which are in first level polysilicon.

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