Apparatus and method for monitoring word line access

Abstract

An apparatus can include multiple memory devices. Each memory device can include multiple memory banks. Addresses of accessed word lines for a particular portion of memory and a number of times the word lines are accessed can be tracked by each memory device. When a memory device determines that an accessed word line is an aggressor word line, the memory device alerts other memory devices of the apparatus. The memory device can then perform a targeted refresh operation on victim word lines of the aggressor word line.

Images