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    • 4. 发明授权
    • Single supply digital voltage level shifter
    • 单电源数字电压电平转换器
    • US08350592B1
    • 2013-01-08
    • US13356626
    • 2012-01-23
    • Bipin B. MalhanGaurav GoyalUmesh Chandra Lohani
    • Bipin B. MalhanGaurav GoyalUmesh Chandra Lohani
    • H03K19/0175
    • H03K19/018521
    • A single-supply digital voltage level shifter has a first inverter having a first input for receiving an input signal with a first voltage swing, and a first output for outputting a first output signal. A second inverter has a second input for receiving the first output signal, and a second output for outputting a second output signal with a second voltage swing, where the second output signal is a level-shifted version of the input signal. A comparison stage includes a first comparison stage input for receiving the input signal, a second comparison stage input for receiving the second output signal, and a comparison stage output for outputting a comparison stage output control signal. A control stage is connected in a circuit branch of the first inverter and has a control stage switch that assumes a non-conducting state dependent on a logical state of the comparison stage output control signal.
    • 单电源数字电压电平转换器具有第一反相器,其具有用于接收具有第一电压摆幅的输入信号的第一输入端和用于输出第一输出信号的第一输出。 第二反相器具有用于接收第一输出信号的第二输入端和用于输出具有第二电压摆幅的第二输出信号的第二输出端,其中第二输出信号是输入信号的电平移位版本。 比较级包括用于接收输入信号的第一比较级输入端,用于接收第二输出信号的第二比较级输入端和用于输出比较级输出控制信号的比较级输出端。 控制级连接在第一反相器的电路支路中,并具有控制级开关,该控制级开关取决于比较级输出控制信号的逻辑状态的非导通状态。
    • 7. 发明申请
    • SINGLE POWER SUPPLY LEVEL SHIFTER
    • 单电源电平变压器
    • US20150333556A1
    • 2015-11-19
    • US14280655
    • 2014-05-18
    • Gaurav Goyal
    • Gaurav Goyal
    • H02J7/02H02J7/04H02J7/00
    • H02J7/022H02J7/0042H02J7/045H02J7/345H02J2001/008H03K19/01707H03K19/018521
    • A single power supply level shifter has first and second inverters in tandem that invert an input signal from a first voltage domain and provide a first inverted signal and an output signal in a second voltage domain. A charging control circuit charges a capacitor towards the second voltage when the input signal is high, and conducts a discharge current from the capacitor during a transition of the input signal from high to low to accelerate a corresponding transition of the first inverted signal from low to high. A third inverter controls a current reduction transistor in series with the first inverter, and a third control transistor connected between the input and the charging control circuit to accelerate the flow of discharge current during the transition of the input signal from high to low.
    • 单个电源电平移位器具有串联的第一和第二反相器,它们反转来自第一电压域的输入信号,并在第二电压域中提供第一反相信号和输出信号。 当输入信号为高电平时,充电控制电路使电容器朝向第​​二电压充电,并且在输入信号从高电平变化到低电平期间,从电容器传导放电电流,以加速第一反相信号从低电平转移到 高。 第三反相器控制与第一反相器串联的电流减小晶体管,以及连接在输入和充电控制电路之间的第三控制晶体管,以在输入信号从高变为低期间加速放电电流的流动。