公开(公告)号：US09946469B2

公开(公告)日：2018-04-17

申请号：US15076433

申请日：2016-03-21

Applicant: SMART Modular Technologies, Inc.

Inventor： Fong-Long Lin ,  Shu-Cheng Lin

IPC: G06F11/10 ,  G06F3/06 ,  G11C16/34

CPC classification number: G06F11/1044 ,  G11C16/0483 ,  G11C16/3427

Abstract: A solid state storage system, and method of operation thereof, including: a system interface configured to receive host commands; a controller, coupled to the system interface, configured to identify frequently read data blocks from the host commands; a non-volatile memory, coupled to the controller, configured for access of the frequently read data blocks; an error correction code unit, coupled to the controller, configured to provide health monitor parameters for the frequently read data blocks verified by the controller; and a redundant frequently read data (RFRD) area, coupled to the error correction code unit, configured to transfer a recovered data from the frequently read data blocks.

公开(公告)号：US20180181454A1

公开(公告)日：2018-06-28

申请号：US15388704

申请日：2016-12-22

Applicant: SMART Modular Technologies, Inc.

Inventor： Shu-Cheng Lin

IPC: G06F11/07 ,  G06F3/06

CPC classification number: G06F11/073 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/0653 ,  G06F3/0659 ,  G06F3/0673 ,  G06F11/076 ,  G06F11/0793 ,  G06F11/1068 ,  G11C16/34 ,  G11C29/42 ,  G11C29/50016 ,  G11C29/52 ,  G11C2029/0409 ,  G11C2029/0411 ,  G11C2029/5002

Abstract: Approaches, techniques, and mechanisms are disclosed for improving data retention using a virtual timer. A memory controller may use a raw bit error rate (RBER) to find an equivalent temperature-accelerated data age of a data item. The data age is computed by using the initial RBER of virtual timing data (VTD) as a virtual write in time of the data item compared to a present time using the current RBER of the VTD. When the data age is determined to exceed a data retention threshold, a data refresh is performed on the data item at the memory block on the memory device. The data age may be stored as virtual timing data on the memory block.

公开(公告)号：US10185609B2

公开(公告)日：2019-01-22

申请号：US15388704

申请日：2016-12-22

Applicant: SMART Modular Technologies, Inc.

Inventor： Shu-Cheng Lin

IPC: G06F11/07 ,  G06F3/06 ,  G11C29/52 ,  G11C16/34 ,  G06F11/10 ,  G11C29/42 ,  G11C29/50 ,  G11C29/04

Abstract: Approaches, techniques, and mechanisms are disclosed for improving data retention using a virtual timer. A memory controller may use a raw bit error rate (RBER) to find an equivalent temperature-accelerated data age of a data item. The data age is computed by using the initial RBER of virtual timing data (VTD) as a virtual write in time of the data item compared to a present time using the current RBER of the VTD. When the data age is determined to exceed a data retention threshold, a data refresh is performed on the data item at the memory block on the memory device. The data age may be stored as virtual timing data on the memory block.

公开(公告)号：US20180232159A1

公开(公告)日：2018-08-16

申请号：US15955566

申请日：2018-04-17

Applicant: SMART Modular Technologies, Inc.

Inventor： Fong-Long Lin ,  Shu-Cheng Lin

IPC: G06F3/06 ,  G11C16/34 ,  G06F11/10

CPC classification number: G06F11/1044 ,  G11C16/0483 ,  G11C16/3427

Abstract: A solid state storage system, and method of operation thereof, including: a system interface configured to receive host commands; a controller, coupled to the system interface, configured to identify frequently read data blocks from the host commands; a non-volatile memory, coupled to the controller, configured for access of the frequently read data blocks; an error correction code unit, coupled to the controller, configured to provide health monitor parameters for the frequently read data blocks verified by the controller; and a redundant frequently read data (RFRD) area, coupled to the error correction code unit, configured to transfer a recovered data from the frequently read data blocks.

公开(公告)号：US20170269852A1

公开(公告)日：2017-09-21

申请号：US15076433

申请日：2016-03-21

Applicant: SMART Modular Technologies, Inc.

Inventor： Fong-Long Lin ,  Shu-Cheng Lin

IPC: G06F3/06 ,  G06F11/10 ,  G11C16/34

CPC classification number: G06F11/1044 ,  G11C16/0483 ,  G11C16/3427

Abstract: A solid state storage system, and method of operation thereof, including: a system interface configured to receive host commands; a controller, coupled to the system interface, configured to identify frequently read data blocks from the host commands; a non-volatile memory, coupled to the controller, configured for access of the frequently read data blocks; an error correction code unit, coupled to the controller, configured to provide health monitor parameters for the frequently read data blocks verified by the controller; and a redundant frequently read data (RFRD) area, coupled to the error correction code unit, configured to transfer a recovered data from the frequently read data blocks.