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    • 3. 发明专利
    • Semiconductor memory
    • 半导体存储器
    • JP2012018706A
    • 2012-01-26
    • JP2010153979
    • 2010-07-06
    • Winbond Electronics Corpウィンボンド・エレクトロニクス株式会社
    • KAMINAGA TAKEHIROYANO MASARUYOSHIDA MUNEHIROAOKI MINORUARAKAWA KENICHI
    • G11C16/02G11C16/04
    • PROBLEM TO BE SOLVED: To provide a semiconductor memory capable of accurately controlling a shift amount of a threshold of a memory cell.SOLUTION: A semiconductor memory in the present invention comprises: a memory cell array 100 including multiple memory cells which are arranged in a form of matrix and are capable of accumulating an electric charge; row selection means for selecting a memory cell in a row direction of the memory cell array; and write control means for writing data by applying a write pulse to the memory cell selected by the row selection means. When the write control means applies at least first and second temporally-continued write pulses P1 and P2, the second write pulse P2 has a low-voltage width portion VpgmL lower than a voltage of the first write pulse 1, and a high-voltage width portion VpgmH higher than a voltage of the first write pulse.
    • 解决的问题:提供能够精确地控制存储单元的阈值的偏移量的半导体存储器。 解决方案:本发明的半导体存储器包括:存储单元阵列100,其包括以矩阵形式排列并且能够积累电荷的多个存储单元; 行选择装置,用于选择存储单元阵列的行方向上的存储单元; 以及写入控制装置,用于通过向由行选择装置选择的存储单元施加写入脉冲来写入数据。 当写入控制装置至少施加第一和第二时间连续写入脉冲P1和P2时,第二写入脉冲P2具有低于第一写入脉冲1的电压的低电压宽度部分VpgmL,并且高电压宽度 部分VpgmH高于第一写入脉冲的电压。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Semiconductor memory device
    • 半导体存储器件
    • JP2013257927A
    • 2013-12-26
    • JP2012133521
    • 2012-06-13
    • Winbond Electronics Corpウィンボンド エレクトロニクス コーポレーション
    • ARAKAWA KENICHI
    • G11C29/00G06F12/16
    • G11C16/06G11C16/04G11C29/82H01L2224/16145
    • PROBLEM TO BE SOLVED: To provide a memory device including a redundancy function that allows data to be read or written at a higher speed.SOLUTION: A memory device 20 includes a flash memory 40 and a controller 30 that controls the flash memory 40. The flash memory includes: a memory area having a plurality of storage elements; a redundant memory area having a plurality of storage elements; and a redundancy information storage unit 140 that stores redundancy information for the storage elements in the memory area. The redundancy information storage unit 140 transfers, in response to a request from the controller 30, the redundancy information to the controller 30. The controller 30 includes: a request unit that requests transfer of the redundancy information to the flash memory; a redundancy information holding unit that holds the redundancy information; and a control unit that controls data that is read from the flash memory or data that is written to the flash memory, on the basis of the held redundancy information.
    • 要解决的问题:提供包括允许以更高速度读取或写入数据的冗余功能的存储器件。解决方案:存储器件20包括闪存40和控制闪存40的控制器30。 闪速存储器包括:具有多个存储元件的存储区域; 具有多个存储元件的冗余存储区域; 以及冗余信息存储单元140,其将存储元件的冗余信息存储在存储区域中。 冗余信息存储单元140响应于来自控制器30的请求将冗余信息传送到控制器30.控制器30包括:请求单元,请求将冗余信息传送到闪速存储器; 冗余信息保持单元,其保存所述冗余信息; 以及控制单元,其基于所保持的冗余信息来控制从闪速存储器读取的数据或写入闪速存储器的数据。
    • 5. 发明专利
    • Semiconductor memory
    • 半导体存储器
    • JP2011253591A
    • 2011-12-15
    • JP2010126880
    • 2010-06-02
    • Winbond Electronics Corpウィンボンド・エレクトロニクス株式会社
    • YANO MASARUYOSHIDA MUNEHIROAOKI MINORUARAKAWA KENICHI
    • G11C16/02G11C16/04
    • PROBLEM TO BE SOLVED: To provide a semiconductor memory capable of reducing capacity interference between memory cells and writing data in a short period of time.SOLUTION: The semiconductor memory 10 has: a memory cell array which includes nonvolatile memory cells arranged in a matrix shape and can store i value data, and in which a plurality of memory cells are connected in series to form one cell unit, each unit cell is connected to a bit line in a corresponding column direction, and a memory cell in a row direction is connected to a corresponding word line; selecting means for selecting a page; holding means for holding write data; and write control means for using the write data held by the holding means to perform writing on the selected page. The write control means has a DBL write sequence for performing writing on the selected page, and an Oneway write sequence for dividing the selected page into a plurality of groups after the DBL write sequence, and performing writing on each divided group.
    • 要解决的问题:提供能够在短时间内减少存储单元之间的容量干扰并写入数据的半导体存储器。 解决方案:半导体存储器10具有:存储单元阵列,其包括以矩阵形状排列并且可以存储i值数据的非易失性存储单元,并且其中多个存储器单元串联连接以形成一个单元单元, 每个单位单元被连接到相应列方向上的位线,并且行方向上的存储单元连接到对应的字线; 用于选择页面的选择装置; 用于保存写入数据的保持装置; 以及写入控制装置,用于使用由保持装置保存的写入数据在所选择的页面上执行写入。 写入控制装置具有用于在所选择的页面上执行写入的DBL写入序列和用于在DBL写入序列之后将所选择的页面分成多个组的单向写入序列,并且对每个划分的组执行写入。 版权所有(C)2012,JPO&INPIT