Invention Grant
- Patent Title: System and method for precision interleaving of data writes in a non-volatile memory
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Application No.: US14928845Application Date: 2015-10-30
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Publication No.: US09778855B2Publication Date: 2017-10-03
- Inventor: Alan Welsh Sinclair
- Applicant: SanDisk Technologies Inc.
- Applicant Address: US TX Plano
- Assignee: SanDisk Technologies LLC
- Current Assignee: SanDisk Technologies LLC
- Current Assignee Address: US TX Plano
- Agency: Brinks Gilson & Lione
- Main IPC: G06F12/02
- IPC: G06F12/02 ; G06F3/06

Abstract:
Systems and methods for managing programming schedules of programming host data and maintenance operations in a non-volatile memory are disclosed. A method includes determining multiple integer interleave ratios of host data writes to relocation writes of previously programmed data when non-integer interleave situations are determined for a previously programmed source block selected for a maintenance operation. The method may include writing the host data and relocating previously programmed data in groups of operations having these determined integer interleave ratios. A memory system may include non-volatile memory and a controller configured to identify non-integer interleave situations and then break up the host data and relocation data writes into multiple interleave groups each having a different integer interleave ratio such that a whole number of write operations for the interleave groups may be carried out to achieve more precise control and efficiency in maintenance operations.
Public/Granted literature
- US20170123682A1 SYSTEM AND METHOD FOR PRECISION INTERLEAVING OF DATA WRITES IN A NON-VOLATILE MEMORY Public/Granted day:2017-05-04
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