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    • 10. 发明申请
    • APPARATUS FOR IMPROVED DELAY VOLTAGE LEVEL SHIFTING FOR LARGE VOLTAGE DIFFERENTIALS
    • 用于改进延迟电压水平移位的装置用于大电压差分
    • US20070229138A1
    • 2007-10-04
    • US11278236
    • 2006-03-31
    • David ChenMichael KerrWilliam Lawson
    • David ChenMichael KerrWilliam Lawson
    • H03L5/00
    • H03K19/018521H03K19/01707
    • A voltage level shifting device for translating a lower operating voltage to a higher operating voltage includes a first input node coupled to a first pull down device and a second input node coupled to a second pull down device. The second node receives a complementary logic signal with respect to the first input node, the first and second input nodes associated with the lower operating voltage. A first pull up device is in series with the first pull down device and second pull up device is in series with the second pull down device, with the first and second pull up devices coupled to a power supply at the higher operating voltage. An output node is between the second pull down device and the second pull up device, the output node controlling the conductivity of the first pull up device. A clamping device is in parallel with the first pull up device, and configured to prevent the second pull up device from becoming fully saturated.
    • 用于将较低工作电压转换到较高工作电压的电压电平移动装置包括耦合到第一下拉装置的第一输入节点和耦合到第二下拉装置的第二输入节点。 第二节点相对于第一输入节点接收互补逻辑信号,第一和第二输入节点与较低工作电压相关联。 第一上拉装置与第一下拉装置串联,第二上拉装置与第二下拉装置串联,第一和第二上拉装置在较高工作电压下耦合到电源。 输出节点位于第二下拉装置和第二上拉装置之间,输出节点控制第一上拉装置的电导率。 夹持装置与第一上拉装置并联,并且构造成防止第二拉起装置变得完全饱和。