- 专利标题: MEMORY DEVICE TO PRECHARGE BITLINES PRIOR TO SENSING MEMORY CELLS
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申请号: US18537685申请日: 2023-12-12
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公开(公告)号: US20240212744A1公开(公告)日: 2024-06-27
- 发明人: Umberto di Vincenzo , Ferdinando Bedeschi
- 申请人: Micron Technology, Inc.
- 申请人地址: US ID Boise
- 专利权人: Micron Technology, Inc.
- 当前专利权人: Micron Technology, Inc.
- 当前专利权人地址: US ID Boise
- 主分类号: G11C11/4094
- IPC分类号: G11C11/4094 ; G11C11/4096 ; G11C11/4099
摘要:
Systems, methods, and apparatus related to memory devices. In one approach, a memory device uses an architecture having a precharge transistor in parallel with a cascode transistor. The precharge transistor (e.g., a p-channel device) performs precharging of a bitline to a fixed constant voltage in preparation for sensing a memory cell. The cascode transistor (e.g., an n-channel device) is used to determine the voltage of the bitline during sensing and discharges a sensing node if the memory cell switches (e.g., snaps). The sensing node is coupled to an input of a detector that determines the logic state of the memory cell.
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