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
    • 2. 发明授权
    • Transceiver system with reduced latency uncertainty
    • 收发器系统具有降低的延迟不确定性
    • US09559881B2
    • 2017-01-31
    • US12283652
    • 2008-09-15
    • Neville CarvalhoAllan Thomas DavidsonAndy TurudicBruce B. PedersenDavid W. MendelKalyan KankipatiMichael Menghui ZhengSergey ShumarayevSeungmyon ParkTim Tri HoangKumara Tharmalingam
    • Neville CarvalhoAllan Thomas DavidsonAndy TurudicBruce B. PedersenDavid W. MendelKalyan KankipatiMichael Menghui ZhengSergey ShumarayevSeungmyon ParkTim Tri HoangKumara Tharmalingam
    • H04L7/00H04B1/38H04L25/14
    • H04L25/14
    • A transceiver system with reduced latency uncertainty is described. In one implementation, the transceiver system has a word aligner latency uncertainty of zero. In another implementation, the transceiver system has a receiver-to-transmitter transfer latency uncertainty of zero. In yet another implementation, the transceiver system has a word aligner latency uncertainty of zero and a receiver-to-transmitter transfer latency uncertainty of zero. In one specific implementation, the receiver-to-transmitter transfer latency uncertainty is eliminated by using the transmitter parallel clock as a feedback signal in the transmitter phase locked loop (PLL). In one implementation, this is achieved by optionally making the transmitter divider, which generates the transmitter parallel clock, part of the feedback path of the transmitter PLL. In one implementation, the word aligner latency uncertainty is eliminated by using a bit slipper to slip bits in such a way so that the total delay due to the word alignment and bit slipping is constant for all phases of the recovered clock. This allows for having a fixed and known latency between the receipt and transmission of bits for all phases of parallelization by the deserializer. In one specific implementation, the total delay due to the bit shifting by the word aligner and the bit slipping by the bit slipper is zero since the bit slipper slips bits so as to compensate for the bit shifting that was performed by the word aligner.
    • 描述了具有降低的等待时间不确定性的收发机系统。 在一个实现中,收发器系统具有字对齐器等待时间不确定度为零。 在另一个实现中,收发器系统具有接收器到发射器的传输等待时间不确定度为零。 在另一个实现中,收发器系统具有字对齐器延迟不确定度为零和接收器到发射器的传输等待时间不确定度为零。 在一个具体实现中,通过在发射机锁相环(PLL)中使用发射机并行时钟作为反馈信号来消除接收机到发射机的传输等待时间不确定性。 在一个实现中,这通过可选地使发射机分频器(其产生发射机并行时钟)作为发射机PLL的反馈路径的一部分来实现。 在一个实施方案中,通过使用位拖动器以这样的方式滑动位来消除字对齐器延迟不确定性,使得由于字对齐和位滑动引起的总延迟对于恢复时钟的所有阶段是恒定的。 这允许在由解串器的并行化的所有阶段的位的接收和传输之间具有固定和已知的等待时间。 在一个具体实现中,由于位对准器的位移和由位拖动器的位滑动导致的总延迟为零,因为位拖动器滑动位,以补偿由字对准器执行的位移。
    • 3. 发明授权
    • Power supply filtering for programmable logic device having heterogeneous serial interface architecture
    • 具有异构串行接口架构的可编程逻辑器件的电源滤波
    • US08976804B1
    • 2015-03-10
    • US13041764
    • 2011-03-07
    • Sergey ShumarayevWilson WongThungoc M. TranTim Tri Hoang
    • Sergey ShumarayevWilson WongThungoc M. TranTim Tri Hoang
    • H04L12/66
    • H03K19/17744
    • In a programmable logic device with a number of different types of serial interfaces, different power supply filtering schemes are applied to different interfaces. For interfaces operating at the lowest data rates—e.g., 1 Gbps—circuit-board level filtering including one or more decoupling capacitors may be provided. For interfaces operating at somewhat higher data rates—e.g., 3 Gbps—modest on-package filtering also may be provided, which may include power-island decoupling. For interfaces operating at still higher data rates—e.g., 6 Gbps—more substantial on-package filtering, including one or more on-package decoupling capacitors, also may be provided. For interfaces operating at the highest data rates—e.g., 10 Gbps—on-die filtering, which may include one or more on-die filtering or regulating networks, may be provided. The on-die regulators may be programmably bypassable allowing a user to trade off performance for power savings.
    • 在具有多种不同类型的串行接口的可编程逻辑器件中,不同的电源滤波方案被应用于不同的接口。 对于以最低数据速率操作的接口,例如,可以提供包括一个或多个去耦电容器的1Gbps电路板电平滤波器。 对于以较高数据速率工作的接口,例如,也可以提供3 Gbps适度的封装内滤波,这可能包括功率岛解耦。 对于以更高的数据速率运行的接口,例如,也可以提供包括一个或多个封装内去耦电容器的6Gbps更实质的封装内滤波。 对于以最高数据速率工作的接口,例如,可以提供10Gbps片上滤波,其可以包括一个或多个片上滤波或调节网络。 片上调节器可以可编程地旁路,允许用户权衡功能以节省功率。
    • 5. 发明授权
    • Multiple channel bonding in a high speed clock network
    • 在高速时钟网络中进行多信道绑定
    • US08464088B1
    • 2013-06-11
    • US12915794
    • 2010-10-29
    • Toan Thanh NguyenSergey ShumarayevTim Tri HoangWeiqi DingThungoc M. Tran
    • Toan Thanh NguyenSergey ShumarayevTim Tri HoangWeiqi DingThungoc M. Tran
    • G06F1/04
    • G06F1/04G06F1/10
    • Various methods and structures related to clock distribution for flexible channel bonding are disclosed. One embodiment provides a clock network in physical media attachment (“PMA”) circuitry, a specific type or portion of system interconnect circuitry, arranged in pairs of channel groups. In one embodiment, clock generation circuitry blocks (“CGBs”) in each pair of channel groups receives outputs of multiple phased locked loop circuits (“PLLs”) which can be selectively utilized by the CGBs to generate PMA clock signals. In another embodiment, the CGBs can also select output of a clock data recovery (“CDR”)/transmit PLL circuitry block in one of the channels of a channel group of the pair of channel groups. In one embodiment, first groups of connection lines couple circuitry in a channel group pair such that a designated CGB in each channel group pair can provide clock signals to one or more of the channels in the channel group pair. In one embodiment, second groups of connection lines connect channels in one channel group pair to channels in other channel group pairs such that one or more channels across the channel group pairs can receive a clock signal generated by a CGB in a designated channel. These and other embodiments are described more fully in the disclosure.
    • 公开了与用于柔性通道结合的时钟分配有关的各种方法和结构。 一个实施例提供物理介质连接(“PMA”)电路中的时钟网络,系统互连电路的特定类型或部分,被布置成成对的信道组。 在一个实施例中,每对信道组中的时钟产生电路块(“CGB”)接收多个锁相环电路(“PLL”)的输出,这些电路可被CGB选择性地用于产生PMA时钟信号。 在另一个实施例中,CGB还可以在一对信道组的信道组的信道之一中选择时钟数据恢复(“CDR”)/发送PLL电路块的输出。 在一个实施例中,第一组连接线将信道组对中的电路耦合,使得每个信道组对中的指定CGB可以向信道组对中的一个或多个信道提供时钟信号。 在一个实施例中,第二组连接线将一个信道组对中的信道与其它信道组对中的信道相连,使得跨信道组对的一个或多个信道可以接收由指定信道中的CGB产生的时钟信号。 在本公开中更全面地描述了这些和其它实施例。