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    • 2. 发明授权
    • Word line decoding architecture in a flash memory
    • 字线解码架构在闪存中
    • US06347052B1
    • 2002-02-12
    • US09690554
    • 2000-10-17
    • Takao AkaogiAli K. Al-ShammaLee ClevelandYong KimJin-Lien LinKendra NguyenBoon Tang Teh
    • Takao AkaogiAli K. Al-ShammaLee ClevelandYong KimJin-Lien LinKendra NguyenBoon Tang Teh
    • G11C1606
    • G11C16/08G11C8/10
    • A flash memory having word line decoding and selection architecture is described. The flash memory include first and second sectors of memory cells, first and second local driver circuits, first, second and third decoding circuits, and a driving circuit. The first sectors of first memory cells include a first plurality of word lines coupled to the first memory cells, each being capable of being a first selected word line. The second sectors of second memory cells include a similar Local driver circuits are independently coupled to each word line of the first and second pluralities of word lines of the first sectors. Each decoding circuits comprise a first and a second side of decoding circuitry. The first side of decoding circuitry activates a first selected plurality of local driver circuits and the second side of decoding circuitry activates a second selected plurality of local driver circuits. The second decoding circuits are coupled to the first local driver circuits and supply a first boosted voltage to the first selected word line coupled to a first local driver circuit. The third decoding circuits are coupled to the second local driver circuits and supply a second boosted voltage to the second selected word line. The driving circuit supplies a series of boosted voltages to the first decoding circuits, the second decoding circuits, the third decoding circuits, the first local driver circuits, and the second local driver circuits.
    • 描述了具有字线解码和选择架构的闪速存储器。 闪速存储器包括存储单元的第一和第二扇区,第一和第二本地驱动电路,第一,第二和第三解码电路以及驱动电路。 第一存储器单元的第一扇区包括耦合到第一存储器单元的第一多个字线,每个字线能够是第一选定的字线。 第二存储器单元的第二扇区包括类似的局部驱动器电路独立地耦合到第一扇区的第一和第二多个字线的每个字线。 每个解码电路包括解码电路的第一和第二侧。 解码电路的第一侧激活第一选定的多个本地驱动器电路,并且解码电路的第二侧激活第二选定的多个局部驱动器电路。 第二解码电路耦合到第一本地驱动电路,并将第一升压电压提供给耦合到第一本地驱动电路的第一选定字线。 第三解码电路耦合到第二本地驱动电路,并将第二升压电压提供给第二选定字线。 驱动电路向第一解码电路,第二解码电路,第三解码电路,第一本地驱动电路和第二本地驱动电路提供一系列升压电压。
    • 6. 发明授权
    • Fast-erase memory devices and method for reducing erasing time in a memory device
    • 快速擦除存储器件和减少存储器件中擦除时间的方法
    • US06377488B1
    • 2002-04-23
    • US09645623
    • 2000-08-24
    • Yong KimKendra Nguyen
    • Yong KimKendra Nguyen
    • G11C1606
    • G11C16/3472G11C16/16G11C16/344G11C16/3468
    • A non-volatile semiconductor memory device comprising a memory array, the memory array divided into a plurality of sectors, each sector comprising a plurality of memory cells, which can be electrically erased, and an erase-verify circuit, capable of simultaneously erasing multiple memory sectors. The erase-verify circuit simultaneously erases a plurality memory sectors, and verifies that the memory cells in a selected memory sector of the plurality of memory sectors is erased. When it determines that the selected memory sector is not erased, it again erases the plurality of memory sectors and again verifies whether the selected memory sector is erased. The erasing of the plurality of memory sectors is repeated until it is verified that the memory cells in the selected memory sector is erased.
    • 一种非易失性半导体存储器件,包括存储器阵列,被划分成多个扇区的存储器阵列,每个扇区包括可被电擦除的多个存储单元,以及擦除验证电路,能够同时擦除多个存储器 部门。 擦除验证电路同时擦除多个存储器扇区,并且验证多个存储器扇区中所选择的存储器扇区中的存储单元被擦除。 当确定所选择的存储器扇区未被擦除时,它再次擦除多个存储器扇区,并且再次验证所选择的存储器扇区是否被擦除。 重复擦除多个存储器扇区,直到验证所选存储器扇区中的存储单元被擦除为止。
    • 7. 发明授权
    • Physical memory layout with various sized memory sectors
    • 物理内存布局与各种大小的内存扇区
    • US06567289B1
    • 2003-05-20
    • US09644359
    • 2000-08-23
    • Lee ClevelandYong Kim
    • Lee ClevelandYong Kim
    • G11C506
    • G11C5/025
    • The physical layout of a semiconductor memory device having memory sectors of varying sizes can be arranged such that the larger and smaller memory sectors are addressed by x-decoders and y-decoders via word lines and bit lines, respectively. The smaller memory sectors are laid out such that some of the small memory sectors are connected with a y-decoder or multiple y-decoders via different bit-lines. The smaller memory sectors are interspersed with the large memory sectors and an area near a corner of the memory device that can be used for other components such as peripheral devices. Optional physical to logical mapping of address allow the smaller memory sectors to be addressed in the first or the last memory addresses.
    • 可以布置具有不同大小的存储器扇区的半导体存储器件的物理布局,使得较大和较小的存储器扇区分别经由字线和位线被x解码器和y解码器寻址。 布置较小的存储器扇区,使得一些小存储器扇区通过不同的位线与y解码器或多个y解码器连接。 更小的存储器扇区散布有大的存储器扇区和靠近存储器件的角落的区域,其可以用于诸如外围设备的其他组件。 地址的可选物理到逻辑映射允许在第一个或最后一个存储器地址中寻址更小的存储器扇区。