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    • 5. 发明授权
    • Control signal training
    • 控制信号训练
    • US07411862B2
    • 2008-08-12
    • US11560293
    • 2006-11-15
    • Thomas HeinAaron John NygrenRex Kho
    • Thomas HeinAaron John NygrenRex Kho
    • G11C8/00
    • G11C5/04G11C7/22G11C29/02G11C29/023G11C29/028G11C2207/2254
    • A control signal training system in an integrated circuit comprises a signal transmitting unit, the signal transmitting unit outputting control signals and sampling clock signals, the control signals and the sampling clock signals having a predetermined time phase with respect to each other, a signal receiving unit, the signal receiving unit latching control signals in relation to the sampling clock signals, and an evaluation unit connected to a reading unit and the signal transmitting unit, the evaluation unit determining concordance of the control signals outputted by the signal transmitting unit and the control signals read out by the reading unit from the signal receiving unit, the evaluation unit adapting the time phase between the control signals and the sampling clock signals step-by-step until concordance of the control signals outputted by the signal transmitting unit and the control signals read out the reading unit from the signal receiving unit is determined by the evaluation unit.
    • 集成电路中的控制信号训练系统包括信号发送单元,信号发送单元输出控制信号和采样时钟信号,控制信号和采样时钟信号相对于彼此具有预定的时间相位;信号接收单元 信号接收单元相对于采样时钟信号锁存控制信号,以及连接到读取单元和信号发送单元的评估单元,评估单元确定由信号发送单元输出的控制信号和控制信号的一致性 由读取单元从信号接收单元读出,评估单元逐步调整控制信号与采样时钟信号之间的时间相位,直到由信号发送单元输出的控制信号和读取的控制信号的一致 从信号接收单元输出读取单元由评估确定 单位。
    • 6. 发明申请
    • Circuit arrangement for latency regulation
    • 延迟调节的电路布置
    • US20050213417A1
    • 2005-09-29
    • US11069789
    • 2005-03-01
    • Rex Kho
    • Rex Kho
    • G11C7/22G11C8/00G11C11/4076
    • G11C11/4096G11C7/1039G11C7/1066G11C7/1069G11C7/222G11C11/4076
    • One embodiment of the invention relates to a circuit arrangement for regulating a latency that is defined as a whole number n of periods T of a reference clock of frequency fc and is intended to elapse, as of a data transmission command, before the data which are to be transmitted from a data source appear at the end of the data path that is to be passed through and contains a chain of transmission elements having fixed delay times. The frequency fc may be set in a range from 1/Tmax to 1/Tmin, where Tmin is at least equal to τf/n and τf is equal to the sum of the fixed delay times in the data path. The data path is subdivided into n successive sections, each of which contains, at its input, a clock-controlled sampling element for accepting the data to be transmitted and has a propagation time that is considerably shorter than Tmin. The propagation time τn of the last section (Sn) is considerably greater than zero. The clock of the sampling elements is controlled using a version of the reference clock that has been delayed by T−τn.
    • 本发明的一个实施例涉及一种用于调节等待时间的电路装置,该等待时间被定义为频率f C c C的参考时钟的周期T的整数n,并且要从数据 在要从数据源发送的数据出现在要通过的数据路径的末端并且包含具有固定延迟时间的传输元件链之前。 频率f C c可以设定在1 / T max max到1 / T min min的范围内,其中T min min / SUB>至少等于τ1/ f,并且τ1等于数据路径中的固定延迟时间之和。 数据路径被细分成n个连续的部分,每个连续的部分在其输入处包含一个时钟控制的采样元件,用于接收要传输的数据,并且具有比T分钟短的传播时间。 最后一个部分(Sn)的传播时间τN n大大超过零。 采样元件的时钟是使用延迟了T-τ的参考时钟的版本进行控制的。
    • 9. 发明授权
    • Finding a data pattern in a memory
    • 在内存中查找数据模式
    • US07457913B2
    • 2008-11-25
    • US11386176
    • 2006-03-22
    • Stefan DietrichRex Kho
    • Stefan DietrichRex Kho
    • G06F12/00
    • G06F13/1689G11C7/1006G11C7/1066G11C7/1078G11C7/1087G11C7/1093G11C7/1096G11C15/04
    • A memory includes a plurality of first-in-first-out (FIFO) cells, an output pointer counter, a write training block and a multiplexer. The output pointer counter is for switching a value of a FIFO output pointer among the FIFO cells. The write training block is for generating information for shifting the FIFO output pointer based on data read from the FIFO cells. The multiplexer is for receiving the value of the FIFO output pointer from the output pointer counter. The multiplexer is also for receiving the multiplexing information for shifting the FIFO output pointer. The multiplexer is further for shifting the value of the FIFO output pointer based on the multiplexing information.
    • 存储器包括多个先进先出(FIFO)单元,输出指针计数器,写入训练块和多路复用器。 输出指针计数器用于切换FIFO单元格中FIFO输出指针的值。 写入训练块用于根据从FIFO单元读取的数据产生用于移位FIFO输出指针的信息。 多路复用器用于从输出指针计数器接收FIFO输出指针的值。 复用器还用于接收用于移位FIFO输出指针的复用信息。 复用器还用于基于复用信息来移位FIFO输出指针的值。
    • 10. 发明申请
    • TRAINING OF SIGNAL TRANSFER CHANNELS BETWEEN MEMORY CONTROLLER AND MEMORY DEVICE
    • 记忆控制器与存储器件之间信号传输通道的训练
    • US20080112255A1
    • 2008-05-15
    • US11560302
    • 2006-11-15
    • Aaron John NygrenThomas HeinRex Kho
    • Aaron John NygrenThomas HeinRex Kho
    • G11C8/00
    • G11C29/02G11C5/04G11C29/025G11C29/50012
    • Apparatus and method of training a data transfer channel between a memory controller and a memory device connected to each other via a data signal transfer channel and an address signal transfer channel. The method comprises reading test data from a latching circuit connected to both an address signal input and a data or control signal output of the memory device or from a read only memory in the memory device, transferring a read signal representing the test data via the data signal transfer channel, detecting data from the read signal with a delay relative to a read clock signal; repeating the transferring, detecting steps, each time detecting the data at a different value of the delay; selecting a value of the delay, preferably a value at which the detected data equal the test data; and setting the delay to the selected value.
    • 通过数据信号传送通道和地址信号传送通道在存储器控制器和连接到彼此的存储器件之间训练数据传送通道的装置和方法。 该方法包括从连接到存储器件的地址信号输入和数据或控制信号输出的存储电路或从存储器件中的只读存储器读取测试数据,经由数据传送表示测试数据的读取信号 信号传输通道,相对于读取时钟信号以相对于读取时钟信号的延迟来检测来自读取信号的数据; 每次以不同的延迟值检测数据,重复传送,检测步骤; 选择延迟的值,优选地是检测数据等于测试数据的值; 并将延迟设置为所选值。