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    • 2. 再颁专利
    • Semiconductor memory device for use in apparatus requiring high-speed
access to memory cells
    • 用于需要高速存取存储器单元的设备中的半导体存储器件
    • USRE36404E
    • 1999-11-23
    • US970780
    • 1997-11-14
    • Yasushi KamedaKenichi NakamuraHiroshi TakamotoTakayuki HarimaMakoto Segawa
    • Yasushi KamedaKenichi NakamuraHiroshi TakamotoTakayuki HarimaMakoto Segawa
    • G11C11/41G11C8/14G11C11/40G11C7/00
    • G11C8/14
    • A semiconductor memory device including a plurality of cell array sections each having a plurality of memory cells disposed in a matrix form, the plurality of cell array sections being juxtaposed in a row direction. Main word lines, are each provided in common for all of the plurality of cell array sections in each row, a row select signal being applied to each main word line. Section word lines are connected to memory cells, in each cell array section at each row, for activating the memory cells. Section select lines are provided for each cell array section, a section selection signal being applied to each section select line. Logical circuits are provided for each cell array section, each logical circuit being connected to each main word line and the section select line, executing a logical operation between the row select signal and the section select signal, and activating the section select line when the logical operation result satisfies a predetermined logical condition. Each logical circuit includes a first inverter, a CMOS type second inverter and an N-channel transistor. Each main word line is connected to the input terminals of the first and second inverters. Each section select line is connected to the drain of the N-type transistor and the source of a P-channel transistor of the second inverter. The gate of the N-channel transistor is connected to the output terminal of the first inverter and each section word line is connected to the source of the N-channel transistor and the output terminal of the second inverter. Bit lines are connected to each memory cell for receiving data from a selected memory cell and outputting the data.
    • 一种半导体存储器件,包括多个单元阵列部分,每个单元阵列部分具有以矩阵形式设置的多个存储单元,所述多个单元阵列部分在行方向上并置。 主字线各自为每行中的所有多个单元阵列部分共同设置,行选择信号被应用于每个主字线。 部分字线连接到每行的每个单元阵列部分中的存储单元,用于激活存储单元。 为每个单元阵列区段提供区段选择线,区段选择信号被应用于每个区段选择线。 为每个单元阵列部提供逻辑电路,每个逻辑电路连接到每个主字线和选区线,执行行选择信号和区段选择信号之间的逻辑运算,并且当逻辑 运算结果满足规定的逻辑条件。 每个逻辑电路包括第一反相器,CMOS型第二反相器和N沟道晶体管。 每个主字线连接到第一和第二逆变器的输入端。 各段选择线连接到N型晶体管的漏极和第二反相器的P沟道晶体管的源极。 N沟道晶体管的栅极连接到第一反相器的输出端子,并且每个部分字线连接到N沟道晶体管的源极和第二反相器的输出端子。 位线连接到每个存储器单元,用于从所选存储单元接收数据并输出数据。
    • 4. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US06388937B2
    • 2002-05-14
    • US09812361
    • 2001-03-20
    • Yoshikazu TakeyamaTakayuki Harima
    • Yoshikazu TakeyamaTakayuki Harima
    • G11C800
    • G11C7/1018G11C7/1072G11C11/418
    • A semiconductor memory device according to the present invention includes a burst counter for sequentially automatically generating an address of a predetermined bit number in synchronism with a clock on the basis of a predetermined sequence in the subsequent operation cycle in accordance with the inputted initial address, and a plurality of memory cell sub-arrays which is formed by dividing a memory cell array. The semiconductor memory device further comprises a plurality of block decoder selection-time adjusting circuits for sequentially outputting a first block selecting signal, which is the base of a signal for selecting each of the memory cell sub-arrays, as a second block selecting signal at a timing corresponding to a read latency and for outputting the first block selecting signal as a third block selecting signal which has a length corresponding to the read latency.
    • 根据本发明的半导体存储器件包括:突发计数器,用于根据所输入的初始地址,根据随后的操作周期中的预定顺序,与时钟同步地顺序自动生成预定位数的地址;以及 通过划分存储单元阵列形成的多个存储单元子阵列。 半导体存储器件还包括多个块解码器选择时间调整电路,用于顺序地输出作为用于选择每个存储单元子阵列的信号的基础的第一块选择信号作为第二块选择信号,作为第二块选择信号 对应于读等待时间的定时,以及用于输出第一块选择信号作为具有对应于读等待时间的长度的第三块选择信号。
    • 6. 发明授权
    • Semiconductor memory
    • 半导体存储器
    • US5835423A
    • 1998-11-10
    • US838508
    • 1997-04-08
    • Takayuki Harima
    • Takayuki Harima
    • G11C11/419G11C7/06G11C7/12G11C7/22H01L27/10G11C7/00
    • G11C7/22G11C7/06G11C7/12
    • A semiconductor device comprises: a memory cell array which has a plurality of memory cell to output data from a memory cell selected on the basis of an externally input signal; a sense amplifier for receiving the data output from said memory cell array, amplifying the data, and outputting the data; and a pulse generator for receiving the input signal and outputting a pulse for determining a timing at which said sense amplifier is activated, wherein said pulse generator includes a circuit pattern electrically equivalent to elements included in said memory cell. According to the above device, the pulse generator includes the same pattern as that of elements included in the memory cell. When the operation speed of the memory cell varies due to the manufacturing process, etc, the variation can be canceled by a similar variation, so that an erroneous operation of the sense amplifier is prevented and the operation speed can be increased.
    • 一种半导体器件包括:具有多个存储单元的存储单元阵列,用于从基于外部输入信号选择的存储单元输出数据; 读出放大器,用于接收从所述存储单元阵列输出的数据,放大数据并输出数据; 以及脉冲发生器,用于接收所述输入信号并输出​​用于确定所述读出放大器被激活的定时的脉冲,其中所述脉冲发生器包括与所述存储单元中包含的元件电气等效的电路图案。 根据上述装置,脉冲发生器包括与包含在存储单元中的元件相同的图案。 当存储单元的操作速度由于制造过程等而变化时,可以通过类似的变化消除变化,从而防止读出放大器的错误操作并且可以提高操作速度。
    • 7. 发明授权
    • Semiconductor memory device for use an apparatus requiring high-speed
access to memory cells
    • 用于使用需要高速存取存储器单元的装置的半导体存储器件
    • US5467317A
    • 1995-11-14
    • US328049
    • 1994-10-24
    • Yasushi KamedaKenichi NakamuraHiroshi TakamotoTakayuki HarimaMakoto Segawa
    • Yasushi KamedaKenichi NakamuraHiroshi TakamotoTakayuki HarimaMakoto Segawa
    • G11C11/41G11C8/14G11C11/40G11C11/34
    • G11C8/14
    • A semiconductor memory device including a plurality of cell array sections each having a plurality of memory cells disposed in a matrix form, the plurality of cell array sections being juxtaposed in a row direction. Main word lines, are each provided in common for all of the plurality of cell array sections in each row, a row select signal being applied to each main word line. Section word lines are connected to memory cells, in each cell array section at each row, for activating the memory cells. Section select lines are provided for each cell array section, a section selection signal being applied to each section select line. Logical circuits are provided for each cell array section, each logical circuit being connected to each main word line and the section select line, executing a logical operation between the row select signal and the section select signal, and activating the section select line when the logical operation result satisfies a predetermined logical condition. Each logical circuit includes a first inverter, a CMOS type second inverter and an N-channel transistor. Each main word line is connected to the input terminals of the first and second inverters. Each section select line is connected to the drain of the N-type transistor and the source of a P-channel transistor of the second inverter. The gate of the N-channel transistor is connected to the output terminal of the first inverter and each section word line is connected to the source of the N-channel transistor and the output terminal of the second inverter. Bit lines are connected to each memory cell for receiving data from a selected memory cell and outputting the data.
    • 一种半导体存储器件,包括多个单元阵列部分,每个单元阵列部分具有以矩阵形式设置的多个存储单元,所述多个单元阵列部分在行方向上并置。 主字线各自为每行中的所有多个单元阵列部分共同设置,行选择信号被应用于每个主字线。 部分字线连接到每行的每个单元阵列部分中的存储单元,用于激活存储单元。 为每个单元阵列区段提供区段选择线,区段选择信号被应用于每个区段选择线。 为每个单元阵列部提供逻辑电路,每个逻辑电路连接到每个主字线和选区线,执行行选择信号和区段选择信号之间的逻辑运算,并且当逻辑 运算结果满足规定的逻辑条件。 每个逻辑电路包括第一反相器,CMOS型第二反相器和N沟道晶体管。 每个主字线连接到第一和第二逆变器的输入端。 各段选择线连接到N型晶体管的漏极和第二反相器的P沟道晶体管的源极。 N沟道晶体管的栅极连接到第一反相器的输出端子,并且每个部分字线连接到N沟道晶体管的源极和第二反相器的输出端子。 位线连接到每个存储器单元,用于从所选存储单元接收数据并输出数据。
    • 10. 发明授权
    • Semiconductor device
    • 半导体器件
    • US5942784A
    • 1999-08-24
    • US891558
    • 1997-07-11
    • Takayuki HarimaKenichi NakamuraMitsugi Ogura
    • Takayuki HarimaKenichi NakamuraMitsugi Ogura
    • H01L21/8238H01L27/08H01L27/092H03K19/094H01L29/76H01L29/94
    • H01L27/0921
    • A semiconductor device which achieves high-speed access and prevents the latch-up for any power inputting sequence by a plurality of power sources is disclosed. Where the chip voltage VDD is earlier inputted, an N well bias circuit 9 and a P well bias circuit 10 are activated, and an N-type well 12 and a P-type well 13 are biased respectively. After that, although the interface voltage VDDQ is inputted, the latch-up is not generated. On the other hand, where the interface voltage VDDQ is earlier inputted to a terminal 8, the N well bias circuit 9 and the P well bias circuit 10 are activated through a bypass circuit 15, and the N-type well 12 and the P-type well 13 are biased. Accordingly, although the chip voltage VDD is inputted after that, the latch-up is not generated.
    • 公开了一种实现高速访问并且防止由多个电源对闩锁进行任何功率输入序列的半导体器件。 在芯片电压VDD较早输入的地方,N阱偏置电路9和P阱偏置电路10被激活,N型阱12和P型阱13分别被偏置。 之后,虽然输入了接口电压VDDQ,但是不产生闭锁。 另一方面,在接口电压VDDQ较早地输入端子8的情况下,N阱偏压电路9和P阱偏置电路10通过旁路电路15被激活,N型阱12和P- 类型井13有偏差。 因此,尽管在此之后输入芯片电压VDD,但是不产生闩锁。