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    • 31. 发明授权
    • Power reduction method and design technique for burn-in
    • 降耗方法和烧录设计技术
    • US06455336B1
    • 2002-09-24
    • US09682381
    • 2001-08-27
    • Zachary E. BerndlmaierMark R. BilakNorman J. Rohrer
    • Zachary E. BerndlmaierMark R. BilakNorman J. Rohrer
    • H01L2166
    • G01R31/2879G01R31/2856
    • A design and burn-in technique that effectively reduces power consumption during burn-in for devices with high power consumption as a result of shrinking voltages, high instantaneous current, subthreshold leakage and high currents at stress conditions. Three methods of reducing power consumption during burn-in are disclosed in detail: (1) completely separate power grids, (2) isolated grids during burn-in, and (3) isolated grids for MTCMOS used during burn-in. Each technique provides a method of segmenting the power supply of a chip and controlling which segment of the chip is stressed based on which segment is ‘powered on’. Those segments not being stressed are ‘shutoff’ so as to reduce power consumption.
    • 一种设计和老化技术,可以有效降低由于电压缩减,高瞬时电流,亚阈值泄漏和应力条件下的高电流而导致高功耗器件老化过程中的功耗。 详细介绍了三种降低老化过程中功耗的方法:(1)完全分离电网,(2)老化期间的隔离栅格,(3)老化过程中使用的MTCMOS隔离网格。 每种技术提供了一种分割芯片的电源的方法,并且基于哪个部分被“通电”来控制芯片的哪个片段被应力,那些不受应力的片段是“关闭”,以便降低功耗。
    • 33. 发明授权
    • Method of reducing instantaneous current draw and an integrated circuit made thereby
    • 降低瞬时电流消耗的方法和由此制成的集成电路
    • US07194714B2
    • 2007-03-20
    • US10605683
    • 2003-10-17
    • Paul D. KartschokeNorman J. Rohrer
    • Paul D. KartschokeNorman J. Rohrer
    • G06F17/50
    • G06F17/5045
    • A method utilizing available timing slack in the various timing paths of a synchronous integrated circuit to reduce the overall instantaneous current draw across the circuit. In the method, each timing path is analyzed to determine its late mode margin or its late mode margin and early mode margin. A delay is added to each timing path having a late mode margin greater than zero. Each delay effectively shifts the peak current draw for the corresponding timing path within each clock cycle so that the peaks do not occur simultaneously across all timing paths. In other embodiments, the peak overall instantaneous current draw can be further reduced by reducing the delay in some of the delayed timing paths.
    • 一种在同步集成电路的各种定时路径中利用可用的定时松弛的方法来减少整个电路上的总瞬时电流消耗。 在该方法中,分析每个定时路径以确定其延迟模式余量或其延迟模式余量和早期模式余量。 延迟增加到具有大于零的延迟模式余量的每个定时路径。 每个延迟有效地移动每个时钟周期内对应的时序路径的峰值电流消耗,使得峰值不会在所有定时路径上同时发生。 在其他实施例中,可以通过减少一些延迟定时路径中的延迟来进一步减小峰值总瞬时电流消耗。