会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 25. 发明授权
    • Dynamic random access memory
    • 动态随机存取存储器
    • US5383160A
    • 1995-01-17
    • US187517
    • 1994-01-28
    • Tohru Furuyama
    • Tohru Furuyama
    • G11C11/401G11C7/10G11C11/404G11C11/405G11C11/407G11C11/56G11C13/00
    • G11C11/404G11C11/565G11C7/1006
    • A DRAM includes a memory cell array having cascade-connected type memory cells arranged in a matrix form and each capable of storing plural-bit information in the unit of bit, sense amplifiers each arranged for a preset number of columns in the memory cell array and disposed in the central portion of the bit lines of the preset number of columns in the arrangement direction, switching circuits disposed on both sides of each of the sense amplifiers, for electrically and selectively connecting the preset number of columns to the sense amplifier, an address designation circuit for separately and serially designating addresses of a plurality of memory cells disposed on both sides of the sense amplifier in the same column of the memory cell array, a word line driving circuit for selectively driving a word line connected to a memory cell of an address designated by the address designation circuit, a column selection circuit for effecting the column selection of the memory cell array, and an access control circuit for time-serially reading out plural-bit information from one of the memory cells storing storage information and lying on one side of the sense amplifier and sequentially rewriting the plural-bit information into one of the memory cells lying on the other side of the sense amplifier and set in a non-use state at the time of serial access to a plurality of memory cells in a desired column of the memory cell array.
    • DRAM包括具有以矩阵形式布置的级联连接型存储单元的存储单元阵列,并且每个存储单元阵列能够以位为单位存储多位信息,每个排列在存储单元阵列中的预设数量的列的读出放大器, 设置在布置方向上的预设列数的位线的中心部分中,设置在每个读出放大器两侧的开关电路,用于电和选择性地将预设数量的列连接到读出放大器,地址 指定电路,用于单独和串行地指定设置在存储单元阵列的同一列中的读出放大器两侧的多个存储单元的地址;字线驱动电路,用于选择性地驱动连接到存储单元阵列的存储单元的字线 由地址指定电路指定的地址,用于进行存储单元阵列的列选择的列选择电路,以及 访问控制电路,用于从存储存储信息的一个存储单元中逐时读出多位信息,并且位于读出放大器的一侧,并且将多位信息依次重写为位于另一侧的存储单元之一 并且在串行访问存储器单元阵列的期望列中的多个存储器单元时将其设置为非使用状态。
    • 26. 发明授权
    • Semiconductor memory and screening test method thereof
    • 半导体存储器及其筛选试验方法
    • US5377152A
    • 1994-12-27
    • US978883
    • 1992-11-19
    • Natsuki KushiyamaTohru FuruyamaKenji Numata
    • Natsuki KushiyamaTohru FuruyamaKenji Numata
    • G11C29/02G11C29/24G11C29/50G11C7/00
    • G11C29/025G11C29/02G11C29/028G11C29/24G11C29/50G11C11/401G11C2029/5004G11C2029/5006
    • A semiconductor memory comprises a dynamic type memory cell array arranged to form a matrix and provided with word lines commonly connected to memory cells of respective columns and bit lines commonly connected to memory cells of respective rows, a dummy cell section having a first set of dummy word lines connected to respective complimentary bit line pairs of said memory cell array by way of respective first capacitances and a second set of dummy word lines connected to respective complementary bit line pairs of said memory cell array by way of respective second capacitances, a dummy word line potential control circuit capable of optionally controlling the mode of driving selected dummy word lines when said word lines of said memory cell array are activated and sense amplifiers connected to the respective complementary bit line pairs of said memory cell array for reading data from selected memory cells of the memory cell array onto the related bit line.
    • 半导体存储器包括动态型存储单元阵列,其布置成形成矩阵并且设置有通常连接到相应列的存储器单元的字线和共同连接到各行的存储单元的位线的虚拟单元部分,虚拟单元部分具有第一组虚拟 通过相应的第一电容连接到所述存储单元阵列的相应互补位线对的字线和通过相应的第二电容连接到所述存储单元阵列的相应互补位线对的第二组虚拟字线, 线电势控制电路,当所述存储单元阵列的所述字线被激活时,能够可选地控制驱动所选择的虚拟字线的模式,以及连接到所述存储单元阵列的相应互补位线对的读出放大器,用于从所选存储单元读取数据 的存储单元阵列到相关位线上。
    • 29. 发明授权
    • Semiconductor memory circuit
    • 半导体存储电路
    • US4404657A
    • 1983-09-13
    • US197564
    • 1980-10-16
    • Tohru FuruyamaTetsuya Iizuka
    • Tohru FuruyamaTetsuya Iizuka
    • G11C11/41G11C8/16G11C11/412G11C11/40
    • G11C8/16
    • A semiconductor memory circuit includes a power supply terminal; a first MOS transistor; a second MOS transistor whose source, gate and drain are respectively connected to the source, drain and gate of the first MOS transistor; first and second resistors connected between the power supply terminal and the drains of the first and second MOS transistors; a data line; a word line; and a third MOS transistor whose current path is connected between the drain of the first MOS transistor and data line, and whose gate is connected to the word line. The semiconductor memory circuit further includes a write control line whose potential is set at a high level when a readout operation is effected. The sources of the first and second MOS transistors are jointly connected to the write control line.
    • 半导体存储电路包括电源端子; 第一MOS晶体管; 源极,栅极和漏极分别连接到第一MOS晶体管的源极,漏极和栅极的第二MOS晶体管; 连接在电源端子和第一和第二MOS晶体管的漏极之间的第一和第二电阻器; 数据线 字线 以及第三MOS晶体管,其电流路径连接在第一MOS晶体管的漏极和数据线之间,其栅极连接到字线。 半导体存储电路还包括当执行读出操作时其电位被设置为高电平的写入控制线。 第一和第二MOS晶体管的源极共同连接到写入控制线。
    • 30. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US4398267A
    • 1983-08-09
    • US212103
    • 1980-12-02
    • Tohru Furuyama
    • Tohru Furuyama
    • G11C11/404G11C11/405H01L21/8234H01L21/8242H01L27/088H01L27/10H01L27/108H01L29/04H01L29/08H01L29/78G11C11/40
    • G11C11/405G11C11/404H01L27/108H01L29/04H01L29/0847
    • A plurality of memory cells are arranged on a semiconductor substrate in the matrix form. Each memory cell comprises a first MOS field effect transistor whose drain electrode is connected to a read bit line, and whose source electrode is connected to a read word line, and a second MOS field effect transistor whose source electrode is connected to the gate electrode of the first MOS field effect transistor, and whose drain electrode is connected to a write bit line, and whose gate electrode is connected to a write word line. The first MOS field effect transistor is formed in the surface region of the semiconductor substrate and the second MOS field effect transistor is formed of a polycrystalline silicon layer, which is deposited on the semiconductor substrate with an oxide layer interposed therebetween to act as the gate region of the first MOS field effect transistor.
    • 多个存储单元以矩阵形式布置在半导体衬底上。 每个存储单元包括第一MOS场效应晶体管,其漏电极连接到读位线,并且其源电极连接到读字线;以及第二MOS场效应晶体管,其源极连接到栅电极 第一MOS场效应晶体管,其漏电极连接到写位线,并且其栅电极连接到写字线。 第一MOS场效应晶体管形成在半导体衬底的表面区域中,第二MOS场效应晶体管由多晶硅层形成,多晶硅层沉积在半导体衬底上,氧化层插入其间用作栅极区 的第一MOS场效应晶体管。