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    • 7. 发明授权
    • Circuit and method for controlling a standby voltage level of a memory
    • 用于控制存储器的待机电压电平的电路和方法
    • US07894291B2
    • 2011-02-22
    • US11162847
    • 2005-09-26
    • George M. BracerasJohn A. FifieldHarold Pilo
    • George M. BracerasJohn A. FifieldHarold Pilo
    • G11C5/14
    • G11C11/417G11C5/147
    • A memory is provided which can be operated at an active rate of power consumption in an active operational mode and at a predetermined reduced rate of power consumption in a standby operational mode. The memory includes a current generating circuit which is operable to supply a predetermined magnitude of current to a sample power supply input terminal of a sample memory cell representative of memory cells of the memory, the predetermined magnitude of current corresponding to the predetermined reduced rate of power consumption. A voltage follower circuit is operable to output a standby voltage level equal to a voltage level at the sample power supply input terminal when the predetermined magnitude of current is supplied thereto. A memory cell array of the memory is operable to store data. In the standby operational mode, a switching circuit is operable to supply power at the standby voltage level to a power supply input terminal of the memory cell array. This permits data to remain stored in the memory during the standby mode. During an active operational mode, the switching circuit is operable to connect the power supply input terminal at the power supply to supply power at the active voltage level to the memory cell array. During the active operational mode, data can be stored into the memory cell array and retrieved from the memory cell array.
    • 提供一种存储器,其可以在主动操作模式中以在备用操作模式中以预定的降低的功率消耗速率以有效的功率消耗速率操作。 存储器包括电流产生电路,其可操作以向代表存储器的存储器单元的采样存储单元的采样电源输入端提供预定大小的电流,与预定的降低的功率比相对应的预定电流值 消费。 电压跟随器电路可操作以当提供预定电流大小时输出等于采样电源输入端的电压电平的备用电压电平。 存储器的存储单元阵列可操作以存储数据。 在待机操作模式中,切换电路可操作以将备用电压电平的电力提供给存储单元阵列的电源输入端。 这在待机模式期间允许数据保存在存储器中。 在有效操作模式期间,开关电路可操作地连接电源处的电源输入端,以将有源电压电平的电力提供给存储单元阵列。 在主动操作模式期间,可将数据存储到存储单元阵列中并从存储单元阵列检索。
    • 10. 发明授权
    • Structure for a voltage detection circuit in an integrated circuit and method of generating a trigger flag signal
    • 集成电路中的电压检测电路的结构和产生触发标志信号的方法
    • US07873921B2
    • 2011-01-18
    • US11948308
    • 2007-11-30
    • Wagdi W. AbadeerJeffrey S. BrownAlbert M. ChuJohn A. Fifield
    • Wagdi W. AbadeerJeffrey S. BrownAlbert M. ChuJohn A. Fifield
    • G06F17/50H03L7/00
    • G06F17/5063G06F2217/78
    • A design structure for an integrated circuit that includes at least one tunneling device voltage detection circuit for generating a trigger flag signal. The tunneling device voltage detection circuit includes first and second voltage dividers receiving a supply voltage and having corresponding respective first and second internal node output voltages. The first and second voltage dividers are configured so the first output voltage is linear relative to the supply voltage and so that the second output voltage is nonlinear relative to the supply voltage. As the supply voltage ramps up, the profiles of the first and second output voltage cross at a particular voltage. An operational amplifier circuit senses when the first and second output voltages become equal and, in response thereto, outputs a trigger signal that indicates that the supply voltage has reached a certain level.
    • 一种用于集成电路的设计结构,其包括用于产生触发标志信号的至少一个隧道装置电压检测电路。 隧道装置电压检测电路包括接收电源电压并具有对应的相应的第一和第二内部节点输出电压的第一和第二分压器。 第一和第二分压器被配置为使得第一输出电压相对于电源电压是线性的,并且使得第二输出电压相对于电源电压是非线性的。 随着电源电压上升,第一和第二输出电压的曲线在特定电压下交叉。 运算放大器电路检测第一和第二输出电压何时相等,并且响应于此,输出指示电源电压达到一定水平的触发信号。