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公开(公告)号：US09864654B2
公开(公告)日：2018-01-09
申请号：US14860263
申请日：2015-09-21
Applicant: SANDISK TECHNOLOGIES INC.
Inventor： Gadi Vishne , Joshua Lehmann , David Haliva
CPC classification number: G06F11/1076 , G06F11/1048 , G06F12/00 , G06F21/6218
Abstract: A data storage device includes a memory and a controller coupled to the memory. The memory is configured to store first data and second data. The controller is configured to unlock the first data using a first key, to unlock the second data using a second key, and to determine that the second data is indicated as being uncorrectable in response to unlocking the second data using the second key.
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公开(公告)号：US20160372160A1
公开(公告)日：2016-12-22
申请号：US14757780
申请日：2015-12-23
Applicant: SanDisk Technologies Inc.
Inventor： Joshua Lehmann , Gadi Vishne , David Haliva , Eran Erez
IPC: G11C5/14
Abstract: A memory system and method for power management are disclosed. In one embodiment, a memory system maintains a variable credit value indicating an amount of power currently available for memory operations in the memory system, the variable credit value having an upper limit that reflects a maximum power limit for the memory system. The memory system receives a command to perform a memory operation, wherein a plurality of resources are required to perform the memory operation, each resource being associated with a credit value. Prior to performing the memory operation, the memory system checks whether the variable credit value indicates that there is sufficient power available to perform the memory operation. Resource(s) required to perform the memory operation that are already being used in the memory system are not counted against the variable credit value.
Abstract translation: 公开了用于电源管理的存储器系统和方法。 在一个实施例中，存储器系统保持指示当前可用于存储器系统中的存储器操作的功率量的可变信用值，可变信用值具有反映存储器系统的最大功率限制的上限。 存储器系统接收执行存储器操作的命令，其中需要多个资源来执行存储器操作，每个资源与信用值相关联。 在执行存储器操作之前，存储器系统检查可变信用值是否表明有足够的可用电力来执行存储器操作。 执行内存系统中已经使用的内存操作所需的资源不会计入可变的信用值。
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