Resistive random access memory (RRAM) system

    公开(公告)号:US09837154B2

    公开(公告)日:2017-12-05

    申请号:US15500472

    申请日:2015-04-15

    Inventor: Brent Buchanan

    Abstract: One example includes a resistive random access memory (RRAM) system. The system includes a resistive memory element to store a binary state based on a resistance of the resistive memory element. The system also includes an RRAM write circuit to generate a current through the resistive memory element to provide a write voltage across the resistive memory element to set the resistance of the resistive memory element. The system further includes a write shutoff circuit to monitor a change in the write voltage as a function of time to deactivate the RRAM write circuit in response to a change in the binary state of the resistive memory element.

    SEMICONDUCTOR STORAGE DEVICE
    46.
    发明申请

    公开(公告)号:US20170309336A1

    公开(公告)日:2017-10-26

    申请号:US15646933

    申请日:2017-07-11

    Abstract: A semiconductor storage device including a plurality of memory cells, each including a variable resistance element, and control circuitry that executes a first writing process of applying a first writing pulse to a memory cell to turn the memory cell state into a first resistance state and a second writing process of applying a second writing pulse of opposite polarity to the first writing pulse to turn the memory cell into a second resistance state, the memory cell from among the plurality of memory cells. The control circuitry, when the memory cell is placed in the second resistance state, after applying the first writing pulse to the memory cell, applies a reading pulse for a verify process of reading whether the variable resistance element is placed in the first resistance state or the second resistance state.

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