Patent ID: 9570198
Date: 2017-02-14
CPC Classifications: G11C

Claim:
1. A system, comprising: a test controller configured to: determine that a read count of a block has reached one of a set of read count thresholds for the block, each read count threshold of the set of thresholds corresponding to an initial test page in a set of initial test pages; and select, from the set of initial test pages, the initial test page which corresponds to the reached read count threshold, and a memory interface configured to perform a test read on the selected test page; the test controller further configured to evaluate results of the performed test read on the selected initial test page for read disturb noise; wherein the initial test pages in the set of initial test pages are configured to be tested first in test reads that evaluate read disturb noise, and wherein each page in the set of initial test pages victimizes a page not included in the set of initial test pages and victimizes another page included in the set of initial test pages.