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    • 3. 发明申请
    • INTEGRATED CIRCUIT WITH IMPROVED SIGNAL NOISE ISOLATION AND METHOD FOR IMPROVING SIGNAL NOISE ISOLATION
    • 具有改进的信号噪声隔离的集成电路和用于改善信号噪声隔离的方法
    • US20060267133A1
    • 2006-11-30
    • US11142433
    • 2005-05-31
    • Suman BanerjeeEnrique FerrerOlin HartinRadu Secareanu
    • Suman BanerjeeEnrique FerrerOlin HartinRadu Secareanu
    • H01L29/00
    • H01L27/0248H01L23/552H01L2924/0002H01L2924/00
    • A system-on chip (SOC) (100) and method of isolating noise in a SOC, including a plurality of noise sensitive circuit blocks (120, 220) and ESD protected pads (302, 304, 306, 308, 310, 312, and 314). A VDD isolation pad (302) is connected to an N well ring (124) of the first noise sensitive circuit (120) to collect noise from the substrate (110) and isolate the circuit from the P well region (112). A ground protected pad (304) is connected to an isolated P well (126) of a first noise sensitive circuit (120). The ground pad (304) collects noise from the isolated P well (126) and sends it to ground. A dedicated ground isolation pad (306) is connected to a P well ring (224) of a second noise sensitive circuit (220). The dedicated ground isolation pad (306) collects noise from the P well ring (224) and sends it to ground. The dedicated ground isolation pad (306) and the ground pad (304) collect noise that would normally propagate between the first and second noise sensitive circuits (120, 220) and additional circuits that share the same substrate (110).
    • 一种片上系统(SOC)(100)以及分离SOC中的噪声的方法,包括多个噪声敏感电路块(120,220)和ESD保护焊盘(302,304,306,308,310,312,312) 和314)。 VDD隔离焊盘(302)连接到第一噪声敏感电路(120)的N阱环(124),以从基板(110)收集噪声,并将电路与P阱区域(112)隔离。 接地保护焊盘(304)连接到第一噪声敏感电路(120)的隔离P阱(126)。 接地焊盘(304)从隔离的P阱(126)收集噪声并将其发送到地面。 专用接地隔离垫(306)连接到第二噪声敏感电路(220)的P阱环(224)。 专用接地隔离垫(306)从P阱环(224)收集噪声并将其发送到地面。 专用接地隔离焊盘(306)和接地焊盘(304)收集正常地在第一和第二噪声敏感电路(120,220)之间传播的噪声以及共享相同衬底(110)的附加电路。
    • 9. 发明授权
    • Packet router having improved packet classification
    • 分组路由器具有改进的分组分类
    • US08233493B2
    • 2012-07-31
    • US12555462
    • 2009-09-08
    • Yadi MaSuman BanerjeeCristian Estan
    • Yadi MaSuman BanerjeeCristian Estan
    • H04L12/28H04L12/56
    • H04L43/0835H04L43/028H04L43/04H04L45/742H04L47/20H04L69/12H04L69/22Y02D30/40
    • A computer-implemented method for classifying received packets using a hardware cache of evolving rules and a software cache having an original rule set. The method including receiving a packet, processing the received packet through a hardware-based packet classifier having at least one evolving rule to identify at least one cache miss packet, and processing the cache miss packet through a software based packet classifier including an original rule set. Processing the cache miss packet includes determining whether to expand at least one of the at least one evolving rules in the hardware-based packet classifier based on the cache miss packet. The determination includes determining whether an evolving rule has both the same action and lies entirely within one of the rule of the original rule set.
    • 一种用于使用演进规则的硬件缓存和具有原始规则集的软件高速缓存来对接收的分组进行分类的计算机实现的方法。 所述方法包括接收分组,通过具有至少一个演进规则的基于硬件的分组分类器处理所接收的分组以识别至少一个高速缓存未命中分组,以及通过基于软件的分组分类器处理所述高速缓存未命中分组,所述分组包括原始规则集 。 处理高速缓存未命中分组包括基于高速缓存未命中分组确定是否扩展基于硬件的分组分类器中的至少一个演进规则中的至少一个。 确定包括确定演进规则是否具有相同的动作并完全落在原始规则集的规则之一内。