Edram based architecture

G - Physics – 11 – C

Patent

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G11C 11/406 (2006.01)

Patent

CA 2461018

A memory refresh system and method. The inventive system includesa mechanism for selectively refreshing elements of a memory arrayin response to signals from a conventional memory management system. In the illustrative application, the memory is dynamic randomaccess memory and the inventive system is adapted to provide for selective refresh of those DRAM memory elements to which data hasbeen or will be stored. This allows for the use of advantageous DRAM memory elements while minimizing the power consumption thereof. Consequently, the utility of DRAM memory elements is extended to a variety of power sensitive applications including cellular telephony and mobile computing.

L'invention concerne un procédé et un système de rafraîchissement de mémoire. Le système selon l'invention comprend un mécanisme pour rafraîchir de manière sélective des éléments d'une matrice mémoire en réponse à des signaux provenant d'un système de gestion de mémoire classique. Dans un exemple de réalisation, la mémoire est une mémoire vive dynamique (DRAM) et le système selon l'invention est conçu pour assurer un rafraîchissement sélectif des éléments de mémoire DRAM dans lesquels des données ont été ou seront stockées. Cela permet d'utiliser des éléments de mémoire DRAM avantageux tout en minimisant la consommation électrique de ces derniers. Par conséquent, l'utilité des éléments de mémoire DRAM est étendue à une variété d'applications sensibles sur le plan de la consommation électrique, telles que la téléphonie cellulaire et l'informatique mobile.

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