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    ISOLATION CELL USED AS AN INTERFACE FROM A CIRCUIT PORTION OPERABLE IN A POWER-DOWN MODE TO A CIRCUIT PORTION IN A POWER-UP MODE
    9.
    发明申请
    ISOLATION CELL USED AS AN INTERFACE FROM A CIRCUIT PORTION OPERABLE IN A POWER-DOWN MODE TO A CIRCUIT PORTION IN A POWER-UP MODE 有权
    隔离电池用作从断电模式下工作的电路部分的接口到上电模式下的电路部分

    公开(公告)号：US20060214687A1

    公开(公告)日：2006-09-28

    申请号：US10908307

    申请日：2005-05-06

    Applicant: Ravi ARORA ,  Anand VENKITACHALAM

    Inventor： Ravi ARORA ,  Anand VENKITACHALAM

    IPC: H03K19/0175

    CPC classification number: H03K19/0016

    Abstract: An isolation cell provided between a first module (which can operate in either a power-up mode or a power down mode) and a second module. According to an aspect of the present invention, the isolation cell can be located to operate drawing power from either the first module or the second module without a floating node in the power-down mode of the first module. Due to the absence of the floating nodes, unneeded power drain is reduced/avoided. In one embodiment, a switch operates to connect power to a series of pair of inverters (propagating the signal from the first module to the second module) when the first module is in power-up mode and disconnects the power in the power-down mode.

    Abstract translation: 设置在第一模块（其可以在上电模式或掉电模式下操作）和第二模块之间的隔离单元。 根据本发明的一个方面，隔离单元可以被定位为在第一模块的掉电模式中没有浮动节点的情况下操作来自第一模块或第二模块的抽取功率。 由于不存在浮动节点，因此减少/避免了不需要的功率消耗。 在一个实施例中，当第一模块处于上电模式时，开关操作以将功率连接到一系列反相器（将信号从第一模块传播到第二模块），并以断电模式断开电源 。

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