Weighted Read Commands And Open Block Timer For Storage Devices
AssigneeWestern Digital Technologies, Inc.
InventorsLiam PARKER, Daniel L. HELMICK, Alan D. BENNETT, Sergey Anatolievich GOROBETS
Life of this patent
Estimating the term…
Loading patent…
AssigneeWestern Digital Technologies, Inc.
InventorsLiam PARKER, Daniel L. HELMICK, Alan D. BENNETT, Sergey Anatolievich GOROBETS
Estimating the term…
The present disclosure generally relates to methods of operating storage devices. The storage device comprises a controller and a storage unit divided into a plurality of zones. Each zone comprises a plurality of dies, where each die comprises a plurality of erase blocks. Each erase block comprises a plurality of wordlines. One or more wordlines are grouped together in bins. Each bin is associated with a susceptibility weight, a read count weight, a timer count weight, and a running total weight. A weight counter table is stored in the controller, and tracks the various weights associated with each bin. When a sum of the weights of each bin reaches or exceeds a predetermined value, the controller closes the erase block to avoid an unacceptable quantity of bit error accumulation. The bit error susceptibility of an erase block decreases after the erase block is at capacity or is closed.
A storage device, comprising:
A storage device, comprising:
A storage device, comprising:
Dependencies are inferred from the claim text.