Patent · US Active

SRAM compatible embedded DRAM system with hidden refresh and dual port capabilities

US8331184B2 · kind B2 · utility

6Cited by
3References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 23, 2010
Grant dateDec 11, 2012
Priority date
Expiry dateFeb 8, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C2207/104
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An SRAM compatible embedded DRAM system with hidden refresh and dual port capabilities includes a memory cell array comprised of a plurality of single-port memory cells with dual-port capability, a first and a second port access units connected to the memory cell array in order to access the memory cells, and an access arbiter connected to the first and the second port access units in order to arbitrate a first port access request, a second port access request and a hidden refresh request.

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