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    • 2. 发明授权
    • Encoded chip select for supporting more memory ranks
    • 编码芯片选择支持更多内存等级
    • US09104557B2
    • 2015-08-11
    • US12184430
    • 2008-08-01
    • Jonathan Randall HinkleJustin Potok Bandholz
    • Jonathan Randall HinkleJustin Potok Bandholz
    • G06F12/06
    • G06F12/06G06F12/0607
    • Method and systems are disclosed for increasing the number of ranks supported in a memory system. In one embodiment, a plurality of predefined subsets of memory chips on a memory module is selected. A chip select signal uniquely identifying the selected subset of memory chips is generated. The chip select signal is encoded as a multi-bit word having a bit width that is less than the number of predefined subsets of memory chips. Each bit of the encoded chip select signal is transmitted along a separate chip select line. The transmitted chip select signal is decoded to determine the identity of the selected subset of memory chips. The selected subset of memory chips identified by the decoded chip select signal are read or written.
    • 公开了用于增加在存储器系统中支持的等级数量的方法和系统。 在一个实施例中,选择存储器模块上的多个预定义的存储器芯片子集。 产生唯一地识别所选择的存储器芯片子集的芯片选择信号。 芯片选择信号被编码为具有小于存储器芯片的预定义子集的数目的位宽度的多位字。 编码芯片选择信号的每一位沿独立的芯片选择线传输。 所传送的芯片选择信号被解码以确定所选择的存储器芯片子集的身份。 由解码的芯片选择信号识别的所选存储器芯片的子集被读取或写入。