System and method for controlling retire buffer operation in a memory system

Abstract

A system and method for controlling data access in a memory system is disclosed. The memory system is characterized by the use of a transport and retire write request, memory devices incorporating a retire buffer, and inherent data retirement. Addresses associated with un-retired write data are stored in the memory controller and compared to the address of a read request following one or more write requests. Where a read request is directed to an address associated with an un-retired write data, the read request is stalled in the memory controller.

What is claimed is:  
     
         1 . A memory system controlling data access, comprising: 
 a memory device comprising a retire buffer;    a memory controller receiving a read request, and comprising: 
 an un-retired data buffer capable of holding at least one write address associated with un-retired write data stored in the retire buffer; and  
 a comparator receiving and comparing the at least one write address with a read address associated with the read request;  
   wherein upon determining in the comparator that the at least one write address and the read address are the same, the read request is stalled in the memory controller.