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    • 85. 发明授权
    • Method of allowing random access to rambus DRAM for short burst of data
    • 允许随机访问rambus DRAM用于短数据突发的方法
    • US06603705B2
    • 2003-08-05
    • US09969597
    • 2001-10-04
    • Jason ChenHenry ChowMark William Janoska
    • Jason ChenHenry ChowMark William Janoska
    • G11C818
    • G11C7/1072G11C8/12
    • Methods and devices for arranging memory access operations to minimize memory bank conflicts between such operations. A fixed pattern of memory access operations is implemented to minimize the effects of a transition between a read memory access operation and a write memory access operation. A write-read-gap (WRG) set pattern of a write memory access operation followed by a read memory access operation and then followed by a set gap when no memory access operation may be undertaken, meets the particular requirements of RDRAM. Within the WRG pattern, read addresses and write addresses are selected to minimize memory bank access conflicts. Such selections are assisted in increasing the efficiency of the memory access operations by defining a set frame size of a specific number of repetitions of the WRG pattern. All memory access operations are then rearranged to conform to the WRG pattern and, the repetitions of the WRG pattern are divided into frames having a size equal to that of the defined frame size. Within each frame, the read addresses to be accessed by read memory operations can be rearranged to minimize memory bank access conflicts with either write addresses to be accessed by write memory operations or other read addresses.
    • 用于布置存储器访问操作以最小化这些操作之间的存储器组冲突的方法和设备。 实现存储器访问操作的固定模式以最小化读取存储器访问操作和写入存储器访问操作之间的转换的影响。 写存储器访问操作的后跟读存储器访问操作然后在不进行存储器访问操作时跟随设置的间隙的写 - 读 - 间隙(WRG)设置模式满足RDRAM的特定要求。 在WRG模式中,选择读地址和写地址以最小化存储器存取冲突。 通过定义特定数量的WRG模式的重复的集合帧大小来辅助这种选择来提高存储器访问操作的效率。 然后将所有存储器存取操作重新排列以符合WRG模式,并且WRG模式的重复被划分成具有等于所定义的帧大小的大小的帧。 在每个帧内,通过读取存储器操作访问的读取地址可以被重新排列,以使存储器组访问冲突与通过写入存储器操作或其它读取地址访问的写入地址最小化。
    • 87. 发明授权
    • CMOS voltage controlled oscillator
    • CMOS压控振荡器
    • US6011443A
    • 2000-01-04
    • US116646
    • 1998-07-16
    • Jason ChenPing Xu
    • Jason ChenPing Xu
    • H03B5/20H03K3/03H03K3/354H03B5/24
    • H03K3/03H03K3/354
    • A CMOS voltage controlled oscillator (VCO) having an improved voltage-to-current converter and an active MOS load operating in the triode region to provide improved performance characteristics including a small differential logic swing and a high frequency output. The voltage-to-current converter of the CMOS VCO comprises a pair of MOS transistors, one of which has an aspect ratio (W.sub.P /L.sub.P) and the other of which has an aspect ratio (W.sub.P /L.sub.P)/n, wherein 1
    • 具有改进的电压 - 电流转换器和在三极管区域中工作的有源MOS负载的CMOS压控振荡器(VCO),以提供改进的性能特性,包括小的差分逻辑摆幅和高频输出。 CMOS VCO的电压 - 电流转换器包括一对MOS晶体管,其中一个具有纵横比(WP / LP),另一个具有纵横比(WP / LP)/ n,其中1 < n <4。 该配置使得电压 - 电流转换器中的第三MOS晶体管仅在三极管区域中工作。 CMOS VCO还包括具有以环形配置连接的多个延迟级的ICO部分。 每个延迟级包括一对输入MOS晶体管和一对负载MOS晶体管。 根据本发明,电压 - 电流转换器使每个负载MOS晶体管在三极管区域中工作。
    • 89. 发明授权
    • Data shift control circuit
    • 数据移位控制电路
    • US5745541A
    • 1998-04-28
    • US797006
    • 1997-02-07
    • Yi LinJason ChenHenry Fan
    • Yi LinJason ChenHenry Fan
    • G11C19/00
    • G11C19/00
    • A data shift control circuit for a shift register in response to a logic operation command code is disclosed. The shift register includes a first register and a second register and the logic operation command code includes a first portion and a second portion. The circuit includes a first decoder for decoding the first portion to transmit a move signal; a second decoder for decoding the second portion to transmit a control signal; a control signal channel, electrically connected to the first register and the second register, for allowing the first register and the second register to receive the control signal and for allowing the shift register to execute a first action; and a move signal channel, electrically connected to all registers of the shift register for allowing the all registers to receive the move signal and for allowing the move register to execute a second action.
    • 公开了一种用于响应逻辑运算命令码的移位寄存器的数据移位控制电路。 移位寄存器包括第一寄存器和第二寄存器,逻辑运算命令代码包括第一部分和第二部分。 电路包括用于解码第一部分以传送移动信号的第一解码器; 第二解码器,用于解码所述第二部分以发送控制信号; 电连接到第一寄存器和第二寄存器的控制信号通道,用于允许第一寄存器和第二寄存器接收控制信号并允许移位寄存器执行第一动作; 以及移动信号通道,电连接到移位寄存器的所有寄存器,用于允许所有寄存器接收移动信号并允许移位寄存器执行第二动作。