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Dynamic command and/or address mirroring system and method for memory modules

  • US 7,181,584 B2
  • Filed: 02/05/2004
  • Issued: 02/20/2007
  • Est. Priority Date: 02/05/2004
  • Status: Expired due to Fees
First Claim
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1. A method of accessing a plurality of memory devices in which a plurality of terminals of a first of the memory devices are interconnected with a corresponding plurality of terminals of a second of the memory devices in a manner that causes the first and second memory devices to function differently responsive to respective address or control signals applied to the interconnected terminals, the method comprising:

  • providing a substrate with first and second surfaces, the substrate having the first of the memory devices mounted on the first surface and the second of the memory devices mounted on the second surface;

    if the first memory device is being accessed, applying control or address signals to the interconnected terminals according to a first set of terminal assignments; and

    if the second memory device is being accessed, applying control or address signals to the interconnected terminals according to a second set of terminal assignments that is at least in part different from the first set of terminal assignments.

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