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公开(公告)号：US20050201169A1
公开(公告)日：2005-09-15
申请号：US11061104
申请日：2005-02-18
摘要： A sensing circuit (120) for sensing currents, including: a measure circuit branch (132i), having a measure node for receiving an input current (Ic) to be sensed, for converting the input current into a corresponding input voltage (V−); at least one comparison circuit branch (132o), having a comparison node for receiving a comparison current (Igs), for converting the comparison current into a corresponding comparison voltage (V+); and at least one voltage comparator (140) for comparing the input and comparison voltages, and a comparison current generating circuit (N3s, 135; N3s, 135′; N3s, 135″) for generating the comparison current based on a reference current (Ir). The comparison current generating circuit includes at least one voltage generator (135; 135′; 135″). A memory device using the sensing circuit and a method are also provided.
摘要翻译： 一种用于感测电流的感测电路（120），包括：测量电路分支（132i），具有用于接收待感测的输入电流（Ic）的测量节点，用于将输入电流转换成对应的输入电压（V- ）; 至少一个比较电路分支（132o），具有用于接收比较电流（Igs）的比较节点，用于将比较电流转换成对应的比较电压（V +）; 以及用于比较输入和比较电压的至少一个电压比较器（140）和用于产生比较电流的比较电流产生电路（N 3 s，135; N 3 s，135'; N 3 s，135“） 基于参考电流（Ir）。 比较电流产生电路包括至少一个电压发生器（135; 135'; 135“）。 还提供了使用感测电路的存储器件和方法。
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公开(公告)号：US06650147B2
公开(公告)日：2003-11-18
申请号：US09249833
申请日：1999-02-12
申请人： Antonino Conte , Nicolas Demange
发明人： Antonino Conte , Nicolas Demange
IPC分类号： G01R1900
摘要： A sense amplifier for a memory includes a comparator and a bit line polarization circuit. The comparator receives a first signal representative of a current flowing through a memory cell and a second signal representative of a reference current. Additionally, the comparator includes a stage in a common source configuration and an active load for the stage, and the bit line polarization circuit provides a polarization voltage level that is independent of the supply voltage level. In a preferred embodiment, the sense amplifier also includes an output stage that improves switching time at high supply voltages.
摘要翻译： 用于存储器的读出放大器包括比较器和位线极化电路。 比较器接收表示流过存储器单元的电流的第一信号和表示参考电流的第二信号。 此外，比较器包括一个共同的源配置级和该级的有源负载，并且位线极化电路提供独立于电源电压电平的极化电压电平。 在优选实施例中，读出放大器还包括提高高电源电压下的开关时间的输出级。
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公开(公告)号：US06639451B2
公开(公告)日：2003-10-28
申请号：US10133216
申请日：2002-04-26
申请人： Antonino Conte , Oreste Concepito
发明人： Antonino Conte , Oreste Concepito
IPC分类号： G05F110
CPC分类号： G05F3/242
摘要： A current reference circuit for low supply voltages is provided. The current reference circuit includes a series including a resistor and a diode, a current source having one terminal coupled to a supply voltage and another terminal coupled to the series, an operational amplifier having its negative electrode connected to a band gap reference voltage, and a transistor. The diode has its cathode electrode coupled to ground and its anode electrode coupled to the resistor. The transistor has its gate electrode coupled to the output of the operational amplifier, its source electrode coupled to ground, and its drain electrode coupled to both the positive electrode of the operational amplifier and the current source. Also provided are an integrated circuit that includes at least one current reference circuit for low supply voltages and a signal processing system that includes at least one current reference circuit for low supply voltages.
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34.发明授权公开(公告)号：US08994355B2
公开(公告)日：2015-03-31
申请号：US13401078
申请日：2012-02-21
CPC分类号： H02M3/073
摘要： A voltage converter device includes a voltage regulator having a supply terminal for receiving a supply voltage and an output terminal for providing a regulated voltage. A voltage multiplier is for receiving the regulated voltage and providing a boosted voltage higher in absolute value than the regulated voltage. The voltage multiplier includes circuitry for providing a clock signal that switches periodically between the regulated voltage and a reference voltage, and a sequence of capacitive stages that alternately accumulate and transfer electric charge according to the clock signal for generating the boosted voltage from the regulated voltage. The voltage regulator includes a power transistor and a regulation transistor each having a first conduction terminal, a second conduction terminal and a control terminal.
摘要翻译： 电压转换器装置包括具有用于接收电源电压的电源端子和用于提供调节电压的输出端子的电压调节器。 电压倍增器用于接收调节电压并提供绝对值高于调节电压的升压电压。 电压倍增器包括用于提供在调节电压和参考电压之间周期性切换的时钟信号的电路，以及根据时钟信号交替地累积和传送电荷的电容级序列，用于从调节电压产生升压电压。 电压调节器包括功率晶体管和调节晶体管，每个具有第一导电端子，第二导电端子和控制端子。
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公开(公告)号：US08675411B2
公开(公告)日：2014-03-18
申请号：US13170657
申请日：2011-06-28
IPC分类号： G11C11/34
摘要： An electronic device including a set of functional block, and a biasing block for generating a set of bias voltages for the functional blocks. The electronic device further includes a holding block coupled between the biasing block and the functional blocks for providing each bias voltage to at least one corresponding functional block, for each bias voltage the holding block including a capacitive element for storing the bias voltage, and a switch element switchable between an accumulation condition wherein provides the bias voltage from the biasing block to the capacitive element and to the at least one corresponding functional block, and a release condition wherein isolates the capacitive element from the biasing block and provides the bias voltage from the capacitive element to the at least one corresponding functional block, and a control block for alternately switching the switching elements between the accumulation condition and the release condition.
摘要翻译： 一种包括一组功能块的电子设备和用于产生用于功能块的一组偏置电压的偏置块。 该电子设备还包括一个保持块，该保持块耦合在偏置块和功能块之间，用于将每个偏置电压提供给至少一个对应的功能块，对于每个偏置电压，保持块包括用于存储偏置电压的电容元件，以及开关 元件可在其中提供从偏置块到电容元件的偏置电压到至少一个对应的功能块的累积条件之间切换，以及释放条件，其中将电容元件与偏置块隔离并提供来自电容 元件到所述至少一个对应的功能块，以及用于在所述累积条件和所述释放条件之间交替地切换所述开关元件的控制块。
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公开(公告)号：US08570813B2
公开(公告)日：2013-10-29
申请号：US13421322
申请日：2012-03-15
IPC分类号： G11C11/34
CPC分类号： H02M3/073 , H02M2003/076 , Y10T29/49117
摘要： The charge pump circuit has a plurality of cascaded charge pump stages, each provided with a first pump capacitor connected to a first internal node and receiving a first high voltage phase signal, and a second pump capacitor connected to a second internal node and receiving a second high voltage phase signal, complementary with respect to the first. A first transfer transistor is coupled between the first internal node and an intermediate node, and a second transfer transistor is coupled between the second internal node and the intermediate node. The first and second high voltage phase signals have a voltage dynamics higher than a maximum voltage sustainable by the first and second transfer transistors. A protection stage is set between the first internal node and second internal node and respectively, the first transfer transistor and second transfer transistor, for protecting the same transfer transistors from overvoltages.
摘要翻译： 电荷泵电路具有多个级联的电荷泵级，每个级联电荷泵级设置有连接到第一内部节点并接收第一高电压相位信号的第一泵电容器和连接到第二内部节点的第二泵电容器并且接收第二 高电压相位信号，相对于第一相互补充。 第一传输晶体管耦合在第一内部节点和中间节点之间，并且第二传输晶体管耦合在第二内部节点和中间节点之间。 第一和第二高电压相位信号具有比由第一和第二传输晶体管可持续的最大电压高的电压动态特性。 在第一内部节点和第二内部节点之间设置保护级，分别设置第一传输晶体管和第二传输晶体管，用于保护相同的传输晶体管免受过电压。
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公开(公告)号：US08405450B2
公开(公告)日：2013-03-26
申请号：US12882981
申请日：2010-09-15
CPC分类号： H02M3/073 , H02M2003/077
摘要： A charge pump including first and a second charge-pump stages electrically coupled, four pump capacitors connected between two enable terminals and four internal nodes, two pump transistors connected to the pump capacitors and to the internal nodes, and having respective control terminals, two biasing capacitors, connected between the control terminals and the enable terminals, and an equalization circuit connected between the control terminals and structured to limit the voltage between the control terminals within a first range of values.
摘要翻译： 电荷泵包括第一和第二电荷泵级电耦合，四个泵电容器连接在两个使能端子和四个内部节点之间，两个泵浦晶体管连接到泵电容器和内部节点，并具有相应的控制端子，两个偏置 连接在控制端子和使能端子之间的电容器，以及连接在控制端子之间并被构造成将控制端子之间的电压限制在第一值范围内的均衡电路。
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公开(公告)号：US07742342B2
公开(公告)日：2010-06-22
申请号：US11977876
申请日：2007-10-26
申请人： Antonino Conte , Gianbattista Logiudice , Giovanni Matranga , Mario Micchche' , Carmelo Ucciardello , De Costantini Diego
发明人： Antonino Conte , Gianbattista Logiudice , Giovanni Matranga , Mario Micchche' , Carmelo Ucciardello , De Costantini Diego
IPC分类号： G11C16/06
CPC分类号： G11C16/12
摘要： An EEPROM memory having a matrix of individually selectable memory cells, the matrix having a plurality of columns, a plurality of data lines each coupled with the cells of a corresponding column, the data lines being grouped in a plurality of packets, a plurality of biasing elements for providing a biasing signal to the data lines, and means for selecting the biasing elements for a selected one of the packets, wherein each biasing element is associated with corresponding data lines of a plurality of packets, the biasing element comprising switching means for selectively applying the biasing signal to a selected one of the associated data lines.
摘要翻译： 一种EEPROM存储器，具有单独可选择的存储单元矩阵，该矩阵具有多个列，多个数据线，每条数据线与相应列的单元耦合，数据线被分组成多个分组，多个偏置 用于向数据线提供偏置信号的元件以及用于为所选分组中的所选择的一个分组选择偏置元件的装置，其中每个偏置元件与多个分组的相应数据线相关联，所述偏置元件包括用于选择性地 将偏置信号应用到所选择的一个相关联的数据线。
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39.发明申请CIRCUIT FOR GENERATING A TEMPERATURE-COMPENSATED VOLTAGE REFERENCE, IN PARTICULAR FOR APPLICATIONS WITH SUPPLY VOLTAGES LOWER THAN 1V 有权用于产生温度补偿电压参考的电路，特别是用于电压低于1V的应用公开(公告)号：US20090284304A1
公开(公告)日：2009-11-19
申请号：US12464481
申请日：2009-05-12
CPC分类号： G05F3/30
摘要： An embodiment of a circuit is described for the generation of a temperature-compensated voltage reference of the type comprising at least one generator circuit of a band-gap voltage, inserted between a first and a second voltage reference and including an operational amplifier, having in turn a first and a second input terminal connected to an input stage connected to these first and second input terminal and comprising at least one pair of a first and a second bipolar transistor for the generation of a first voltage component proportional to the temperature. The circuit also comprises the control block connected to the generator circuit of a band-gap voltage in correspondence with at least one first control node which is supplied with a biasing voltage value comprising at least one voltage component which increases with the temperature for compensating the variations of the base-emitter voltage of the first and second bipolar transistors and ensure the turn-on of a pair of input transistors of the operational amplifier. The circuit has an output terminal suitable for supplying a temperature-compensated voltage value obtained by the sum of the first voltage component proportional to the temperature and of a second component inversely proportional to the temperature.
摘要翻译： 描述了电路的实施例，用于生成包括插入在第一和第二参考电压之间并包括运算放大器的带隙电压的至少一个发生器电路的类型的温度补偿电压基准，其具有 转动连接到与这些第一和第二输入端连接的输入级的第一和第二输入端，并且包括至少一对第一和第二双极晶体管，用于产生与温度成比例的第一电压分量。 该电路还包括与至少一个第一控制节点相对应的带隙电压连接到发生器电路的控制块，该至少一个第一控制节点被提供有包括至少一个电压分量的偏置电压值，所述至少一个电压分量随着用于补偿变化的温度而增加 的第一和第二双极晶体管的基极 - 发射极电压，并确保运算放大器的一对输入晶体管的导通。 电路具有适于提供通过与温度成比例的第一电压分量和与温度成反比的第二分量的和获得的温度补偿电压值的输出端子。
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公开(公告)号：US07583132B2
公开(公告)日：2009-09-01
申请号：US11779631
申请日：2007-07-18
IPC分类号： G05F3/02
CPC分类号： H02M3/073 , H02M2003/077
摘要： A latch-type charge pump circuit is provided having first and second charge pump stages interconnected by an intermediate circuit node. The charge pump circuit includes first pump capacitors respectively coupled between first and second enable terminals and respective first inner circuit nodes, second pump capacitors respectively coupled between the second and first enable terminals and respective second inner circuit nodes, latch transistors coupled between each of the first and second inner circuit nodes and the intermediate circuit node, and a stabilization circuit having at least one stabilization stage coupled between the intermediate circuit node and the first and second enable terminals and connected to control terminals of the latch transistors for supplying them with suitable control signals so as to ensure their correct turn-on and turn-off during a charge sharing period of the charge pump circuit.
摘要翻译： 提供了一种闩锁式电荷泵电路，其具有通过中间电路节点互连的第一和第二电荷泵级。 电荷泵电路包括分别耦合在第一和第二使能端子和相应的第一内部电路节点之间的第一泵电容器，第二泵电容器分别耦合在第二和第一使能端子和相应的第二内部电路节点之间，锁存晶体管耦合在第一 和第二内部电路节点和中间电路节点，以及稳定电路，其具有耦合在中间电路节点与第一和第二使能端子之间的至少一个稳定级并且连接到锁存晶体管的控制端子，以向它们提供合适的控制信号 以确保在电荷泵电路的电荷共享期间其正确的导通和关断。
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