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Memory Buffers and Modules Supporting Dynamic Point-to-Point Connections

  • US 20130033954A1
  • Filed: 08/03/2012
  • Published: 02/07/2013
  • Est. Priority Date: 08/05/2011
  • Status: Active Grant
First Claim
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1. A memory module comprising:

  • a module interface having module data-group ports, to communicate data as respective data groups, and a module command port to receive memory-access commands;

    a first memory device including a first device data-group port;

    a second memory device including a second device data-group port; and

    a signal buffer coupled between the module interface and each of the first and second memory devices, the signal buffer supporting;

    a first mode in which the signal buffer, responsive to the memory-access commands, communicates the data group associated with each of the first and second device data-group ports via a respective one of the module data-group ports; and

    a second mode in which the signal buffer, responsive to the memory-access commands, alternatively communicates the data group associated with the first device data-group port or the data group associated with the second device data-group port via the same one of the module data-group ports.

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