Patent · US Expired

Memory cells configurable as CAM or RAM in programmable logic devices

US5940852A · kind A · utility

47Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1997
Grant dateAug 17, 1999
Priority date
Expiry dateAug 21, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11C11/41
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A programmable logic device having content addressable memory is disclosed. In a preferred embodiment, the programmable logic device includes reconfigurable dual mode memory suitable for operating as a content addressable memory in a first mode and a random access memory in a second mode is disclosed. Mode control switch circuitry may be provided to selectively enable a user to configure the dual mode memory as either content addressable memory or random access memory.

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