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    • 61. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING A METASTABLE FLIP FLOP
    • 用于生产易碎片的方法和装置
    • WO2009128921A2
    • 2009-10-22
    • PCT/US2009/002358
    • 2009-04-15
    • VNS PORTFOLIO LLCMOORE, Charles, H.
    • MOORE, Charles, H.
    • G06F15/16H03K3/09H04L7/00G06F13/42
    • G11C5/025G11C5/02G11C8/14Y10T29/49002
    • The method includes predetermining an output enable time period by measuring the maximum settling time when a signal is read during a transition from 0 to 1 or vice versa, and multiplying the maximum settling time by a safety factor 2.5, to set an output enable time period; reading and latching an input value; and transmitting the latched value onward after the predetermined output enable time period. An embodiment of the apparatus 10 includes two inverters 12, 14 and two pass gates 16, 18 and connected to a line 20 at its input. The pass gates 16, 18 are connected in a multiplexer configuration. A third pass gate 30 for connecting line 32, carrying the (inverted) output B of the metalatch, to further circuit portions, according to a 2-bit output enable signal applied to control lines 34, 36 respectively. In alternate embodiments, other logic circuit portions already provided can perform the function of pass gate 30.
    • 该方法包括通过测量在从0到1的转变期间读取信号时的最大建立时间来预定输出使能时间段,反之亦然,并将最大建立时间乘以安全系数2.5,以设置输出使能时间段 ; 读取和锁定输入值; 并且在预定输出使能时间段之后向前发送锁存值。 设备10的实施例包括两个反相器12,14和两个传递门16,18,并在其输入处连接到线路20。 通路16,18以多路复用器配置连接。 根据施加到控制线34,36的2位输出使能信号,连接线32的第三通路门30,其承载金属线的(反相)输出B以进一步电路部分。 在替代实施例中,已经提供的其它逻辑电路部分可以执行通路门30的功能。
    • 66. 发明申请
    • DEVICE COMPRISING AN ARRAY OF PIXELS ALLOWING STORAGE OF DATA
    • 包含允许存储数据的像素阵列的设备
    • WO2003010746A1
    • 2003-02-06
    • PCT/IB2002/002899
    • 2002-07-25
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.
    • EDWARDS, Martin, J.AYRES, John, R. A.
    • G09G3/36
    • G11C8/10G09G3/20G09G3/3648G09G2300/0842G11C5/025
    • A pixellated device (10), such as a display, has pixel row and column address lines (18,20) for addressing each pixel, thereby providing signal data to each pixel (12) or reading signal data from each pixel. An array of memory cells (22) is provided on the substrate interspersed with the pixel drive circuitry (16), wherein memory address circuitry (24,26,28,30) is provided enabling data to be written to each memory cell and enabling data to be read from each cell (22), independently of the signal data. Each memory cell (22) is thus addressable independently of the pixel data. Thus, the memory cells do not form part of the pixel circuitry, which allows the memory to be used in a flexible manner. For example, the memory may be used for purposes not directly associated with the driving or addressing of the pixels of the device.
    • 诸如显示器的像素化设备(10)具有用于寻址每个像素的像素行和列地址线(18,20),从而向每个像素(12)提供信号数据或从每个像素读取信号数据。 在散布有像素驱动电路(16)的衬底上提供存储单元阵列(22),其中提供存储器地址电路(24,26,28,30),使得能够将数据写入每个存储器单元并使能数据 要从每个单元(22)读取,独立于信号数据。 因此,每个存储单元(22)可独立于像素数据进行寻址。 因此,存储器单元不形成像素电路的一部分,这允许以灵活的方式使用存储器。 例如,存储器可以用于与驱动或寻址设备的像素直接相关联的目的。
    • 69. 发明申请
    • METHOD AND APPARATUS FOR INCORPORATING DYNAMIC RANDOM ACCESS MEMORY DESIGN MODULES INTO AN INTEGRATED CIRCUIT CHIP DESIGN
    • 将动态随机存取存储器设计模块并入集成电路芯片设计的方法和装置
    • WO99000752A1
    • 1999-01-07
    • PCT/US1998/013340
    • 1998-06-25
    • G06F17/50G11C5/02G11C11/4097
    • G06F17/5045G11C5/025G11C11/4097
    • An Electronic Design Automation (EDA) system (200) includes a plurality of pre-defined modules (212) to facilitate design of an Integrated Circuit (IC) which includes Dynamic Random Access Memory (DRAM). The pre-defined modules (212) include a plurality of modules which may be selected by an IC designer to include a DRAM of a specified organization and size in the IC. The pre-defined modules (212) include a plurality of core cell modules (216), each of the core cell modules (216) having a capacity, an organization and functional characteristics to allow use of a plurality of predefined combination of the core cells. The modules (212) also include a plurality of additional modules such as row decoders (226), column decoders (224), Bit-Line Sense Amplifiers (228), Bit-Line Sense Amplifier Drivers (218), Input/Output (I/O) buffers (220), and certain other miscellaneous support logic (215).
    • 电子设计自动化(EDA)系统(200)包括多个预定义模块(212),以便于包括动态随机存取存储器(DRAM)的集成电路(IC)的设计。 预定义模块(212)包括可由IC设计者选择的多个模块,以在IC中包括指定组织和尺寸的DRAM。 预定义模块(212)包括多个核心小区模块(216),每个核心小区模块(216)具有容量,组织和功能特征,以允许使用核心小区的多个预定组合 。 模块(212)还包括多个附加模块,例如行解码器(226),列解码器(224),位线检测放大器(228),位线检测放大器驱动器(218),输入/输出 / O)缓冲器(220)和某些其他辅助支持逻辑(215)。
    • 70. 发明申请
    • INTERDIGITATED MEMORY ARRAY
    • WO1997027592A1
    • 1997-07-31
    • PCT/US1997000975
    • 1997-01-17
    • CYPRESS SEMICONDUCTOR CORPORATIONREES, David, B.
    • CYPRESS SEMICONDUCTOR CORPORATION
    • G11C05/06
    • G11C5/025G11C5/063G11C8/10
    • A method and apparatus to eliminate the problem of requiring sizing of the row and column decoders according to the pitch of the cells in the memory array is to decouple the decoder cell pitch from the memory cell pitch without causing the chip area to increase dramatically. Decoupling is accomplished by driving the array from both sides for row drivers (42, 44) and by driving the array from both the top and bottom for column drivers (46, 48). Even numbered rows are driven from one side and odd numbered rows are driven from the other side. Alternating columns are driven from both the top and the bottom. For example, odd numbered columns are driven from the top while even numbered columns are driven from the bottom. In a second embodiment, predetermined rows are driven from one side while the other are driven from the other side. Similarly, predetermined columns may be driven from the top while the other are driven from the bottom. Rows (1 and 2) are driven from one side, rows (3 and 4) from the other, etc. Also, rows (1-3) may be driven from one side and rows (4-6) from the other, etc. Columns (1-2) may be driven from the top, (3-4) from the bottom, (5-6) from the top, etc. Again, columns (1-3) may be driven from the top and columns (4-6) driven from the bottom.
    • 消除根据存储器阵列中的单元的间距要求对行和列解码器进行尺寸调整的问题的方法和装置是将解码器单元间距与存储单元间距分离,而不会使芯片面积急剧增加。 通过从两侧驱动阵列用于行驱动器(42,44)并且通过从列顶驱动器(46,48)的顶部和底部驱动阵列来实现去耦合。 偶数行从一侧驱动,奇数行从另一侧驱动。 交替的列从顶部和底部驱动。 例如,从顶部驱动奇数列,而从底部驱动偶数列。 在第二实施例中,从一侧驱动预定行,而从另一侧驱动另一行。 类似地,可以从顶部驱动预定的列,而从底部驱动另一列。 行(1和2)从一侧驱动,行(3和4)从另一侧驱动,等等。另外,行(1-3)可以从一侧驱动,并且行(4-6)从另一侧驱动,等 柱(1-2)可以从顶部(3-4)从顶部驱动(3-4),从顶部驱动(5-6)等。同样,列(1-3)可以从顶部和列 (4-6)从底部驱动。