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Multiple concurrent modulation schemes in a memory system

  • US 10,446,198 B2
  • Filed: 05/11/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 10/02/2017
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a memory controller configured to communicate using a first signal type modulated using a first modulation scheme having at least three levels, and a second signal type modulated using a second modulation scheme having two levels, wherein the first signal type is configured to communicate a first type of data and the second signal type is configured to communicate a second type of data different than the first type of data, and wherein the memory controller is configured to concurrently transmit the first signal type and the second signal type;

    a first memory die including a plurality of memory cells;

    a first signal path coupled with the memory controller and the first memory die, the first signal path configured for the first signal type; and

    a second signal path coupled with the memory controller and the first memory die, the second signal path configured to transmit a signal having the second signal type to the plurality of memory cells.

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