Invention Grant
US08954655B2 Systems and methods of configuring a mode of operation in a solid-state memory
有权
在固态存储器中配置操作模式的系统和方法
- Patent Title: Systems and methods of configuring a mode of operation in a solid-state memory
- Patent Title (中): 在固态存储器中配置操作模式的系统和方法
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Application No.: US13741299Application Date: 2013-01-14
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Publication No.: US08954655B2Publication Date: 2015-02-10
- Inventor: Sebastien A. Jean , Robert L. Horn
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA Irvine
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA Irvine
- Main IPC: G06F12/02
- IPC: G06F12/02 ; G06F13/40
Abstract:
Disclosed herein is an architecture that pairs a controller with a NVM (non-volatile memory) storage system. The NVM storage system includes a bridge device that communicates with the controller. In one embodiment, the bridge device allows for certain data locations (blocks, pages or units at any other granularity) in the flash dies to be (1) placed into a reserved mode where data access is prevented (2) assigned into an SLC (Single-Level Cell) mode or an MLC (Multi-Level Cell) mode in response to controller command, (3) made available for data access after the assignment of mode. This flexibility enables the controller to increase SLC mode or MLC mode data locations based on run-time conditions. In one embodiment, the assignment of the reserved data locations is performed in a way to ensure that warranty conditions imposed by the memory vendors are observed.
Public/Granted literature
- US20140201423A1 SYSTEMS AND METHODS OF CONFIGURING A MODE OF OPERATION IN A SOLID-STATE MEMORY Public/Granted day:2014-07-17
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