MEMORY SYSTEM, OPERATING METHOD OF THE MEMORY SYSTEM, AND INTERFACE CIRCUIT OF THE MEMORY SYSTEM

    公开(公告)号:US20240282378A1

    公开(公告)日:2024-08-22

    申请号:US18444848

    申请日:2024-02-19

    CPC classification number: G11C16/08 G11C16/0483

    Abstract: A memory system includes a memory device having a plurality of non-volatile memories, a buffer chip connected with each of the plurality of non-volatile memories, and a memory controller connected with the buffer chip and configured to provide a data strobe signal and a data signal to the buffer chip. The buffer chip includes a first loop coupled to a sampler circuit and configured to perform first monitoring on the data strobe signal and first duty correction on the data strobe signal based on the first monitoring, and a second loop coupled to a multiplexer and configured to, responsive to the first duty correction, perform second monitoring on the data strobe signal and second duty correction on the data strobe signal based on the second monitoring. The buffer chip is configured to store first and second duty correction information for at least one of the plurality of non-volatile memories.

    MEMORY DEVICE AND OPERATING METHOD THEREOF
    3.
    发明公开

    公开(公告)号:US20240242743A1

    公开(公告)日:2024-07-18

    申请号:US18368907

    申请日:2023-09-15

    CPC classification number: G11C7/04 G11C7/08 G11C7/1063 G11C7/14

    Abstract: A memory device includes a memory cell array including a plurality of memory cells connected to a plurality of word lines and a plurality of bit lines, a voltage generator configured to output a first voltage that varies according to temperature of the memory device, a second voltage that is constant regardless of the temperature, and a first reference voltage applied to at least one line among the plurality of word lines and the plurality of bit lines, and a temperature compensation circuit configured to generate a compensation offset voltage based on the first voltage and the second voltage, and output a second reference voltage based on the first reference voltage and the compensation offset voltage.

    STORAGE DEVICE GENERATING MULTI-LEVEL CHIP ENABLE SIGNAL AND OPERATING METHOD THEREOF

    公开(公告)号:US20220236917A1

    公开(公告)日:2022-07-28

    申请号:US17479194

    申请日:2021-09-20

    Abstract: A storage device includes a controller including first and second pins and configured to output a multi-level chip enable signal through the second pin, and a memory device. The memory device includes third and fourth pins respectively connected to the first and second pins, and a plurality of memory chips commonly connected to the fourth pin. The plurality of memory chips respectively include a plurality of resistors connected to one another in a daisy-chain structure between the third pin and a first voltage terminal. The plurality of memory chips are configured to respectively generate a plurality of reference voltage periods that divide between a voltage level of the third pin and a voltage level of the first voltage terminal based on the plurality of resistors.

    NONVOLATILE MEMORY DEVICE, STORAGE DEVICE HAVING THE SAME, AND OPERATING METHOD THEREOF

    公开(公告)号:US20250087264A1

    公开(公告)日:2025-03-13

    申请号:US18958240

    申请日:2024-11-25

    Abstract: According to the present disclosure, a nonvolatile memory device may include an operational amplifier comparing a reference voltage with a voltage of a feedback node; a first feedback network circuit generating a first output voltage by dividing an input voltage in response to an output voltage of the operational amplifier, and transmitting a voltage corresponding to the first output voltage to the feedback node in response to a first feedback signal, a second feedback network circuit generating a second output voltage by dividing the input voltage in response to the output voltage of the operational amplifier, and transmitting a voltage corresponding to the second output voltage to the feedback node in response to a second feedback signal, and a third feedback network circuit generating a third output voltage by dividing the input voltage in response to the output voltage of the operational amplifier, and transmitting a voltage corresponding to the third output voltage to the feedback node in response to a third feedback signal.

    Memory system including an interface circuit connecting a controller and memory

    公开(公告)号:US12237046B2

    公开(公告)日:2025-02-25

    申请号:US17951567

    申请日:2022-09-23

    Abstract: A memory system includes a plurality of memory devices, each connected to internal channels respectively including an internal data channel and an internal control channel, and each configured to perform communication based on a first interface protocol, a controller connected to an external channel including an external data channel and an external control channel and configured to perform communication based on a second interface protocol, and an interface circuit connecting the external channel to each of the internal channels. The interface circuit is configured to perform channel conversion by serializing a parallel data signal received from the controller through the external data channel and outputting the serialized signal to the internal control channel included in a first one of the internal channels, or parallelizing a signal received through the external control channel and outputting the parallelized signal to the internal data channel included in the first one of the internal channels.

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