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Memory system and operating method thereof using segment lists

  • US 10,168,952 B2
  • Filed: 04/11/2016
  • Issued: 01/01/2019
  • Est. Priority Date: 11/13/2015
  • Status: Active Grant
First Claim
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1. A memory system comprising:

  • a memory device comprising a plurality of memory blocks including at least one first memory block for storing a data and at least one second memory block for storing a map data including a first map data and a second map data, wherein the first map data and the second map data have an inverse relation to each other; and

    a controller comprising at least one controller memory, the controller for storing plural write data corresponding to a write command received from the host into the first memory block and updating the second map data corresponding to each of the plural write data,wherein the controller is configured to;

    generate a segment list by grouping second segments of the plural write data based on first segments of the plural write data;

    store the segment list in the controller memory; and

    update the first map data by checking the segment list.

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