公开(公告)号：US20100272216A1

公开(公告)日：2010-10-28

申请号：US12746018

申请日：2008-10-29

申请人： Brian S. Liebowitz ,  Jaeha Kim ,  Hae-Chang Lee

发明人： Brian S. Liebowitz ,  Jaeha Kim ,  Hae-Chang Lee

IPC分类号： H04L27/00 ,  G01R29/00

CPC分类号： H04L7/0338 ,  H03K5/133 ,  H04L7/0008

摘要： A differential signal receiver 106 implements intra-pair skew compensation for improving data transfer on a differential channel. In an embodiment, the receiver implements sampling by—multiple clocks with different phases such that the signals of the differential channel may be separately or individually time adjusted to account for skew between them so that they may be differentially compared for data resolution. In one embodiment, a positive sampler and negative sampler are controlled by distinct clock signals to permit, at different times, sampling and holding of the positive and negative signals representing a data bit on the differential channel. A differential decision circuit may then differentially resolve the data using a latter one of the distinct clock signals. Timing generation circuitry for producing the offset clocks may include a skew detector that permits dynamic adjustment of the different clock signals according to skew associated with the signals of the differential channel.

摘要翻译： 差分信号接收机106实现对对偏斜补偿，以改善差分信道上的数据传输。 在一个实施例中，接收机以不同的相位实现采样多个时钟，使得差分信道的信号可以单独地或单独地进行时间调整以解决它们之间的偏斜，使得它们可以被差分地比较用于数据分辨率。 在一个实施例中，正采样器和负采样器由不同的时钟信号控制，以允许在不同时间对表示差分信道上的数据位的正和负信号进行采样和保持。 然后差分判决电路可以使用不同时钟信号中的后一个来差分地解析数据。 用于产生偏移时钟的定时发生电路可以包括偏斜检测器，其允许根据与差分信道的信号相关联的偏斜动态调整不同的时钟信号。