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    • 3. 发明申请
    • RADIATION HARDENED DIGITAL CIRCUIT
    • 辐射硬化数字电路
    • US20160028397A1
    • 2016-01-28
    • US14808348
    • 2015-07-24
    • Lawrence T. Clark
    • Lawrence T. Clark
    • H03K19/003H03K3/2893H03K19/007
    • H03K19/0033H03K19/0075
    • This disclosure relates generally to radiation hardened digital circuits. In one embodiment, a radiation hardened digital circuit includes a delay network and a first Muller C element. The delay network is configured to generate a first delayed clock signal from a global clock signal such that that the first delayed clock signal is delayed with respect to the global clock signal. The first Muller C element is configured to generate a first clock input signal and set the first clock input signal to one of a set of clock states in response to the first delayed clock signal and the global clock signal each being provided in a same one of the set of clock states and is configured to hold the first clock input signal otherwise. Thus, a radiation strike is prevented from causing a soft error in the first clock input signal.
    • 本公开一般涉及辐射硬化的数字电路。 在一个实施例中,辐射硬化的数字电路包括延迟网络和第一Muller C元件。 延迟网络被配置为从全局时钟信号产生第一延迟时钟信号,使得第一延迟时钟信号相对于全局时钟信号被延迟。 第一Muller C元件被配置为产生第一时钟输入信号,并且响应于第一延迟时钟信号和全局时钟信号将第一时钟输入信号设置为一组时钟状态中的一个,每个时钟信号分别以 一组时钟状态,并被配置为保持第一个时钟输入信号。 因此,防止辐射打击在第一时钟输入信号中引起软错误。
    • 6. 发明申请
    • LAYOUT METHOD FOR SOFT-ERROR HARD ELECTRONICS, AND RADIATION HARDENED LOGIC CELL
    • 用于软错误硬电子的布局方法和辐射硬化逻辑单元
    • US20140019921A1
    • 2014-01-16
    • US14026648
    • 2013-09-13
    • Robust Chip, Inc.
    • Klas Olof Lilja
    • G06F17/50
    • G06F17/5022G06F17/5068G06F2217/12H03K19/0033H03K19/00338H03K19/20Y02P90/265
    • This invention comprises a layout method to effectively protect logic circuits against soft errors (non-destructive errors) and circuit cells, with layout, which are protected against soft errors. In particular, the method protects against cases where multiple nodes in circuit are affected by a single event. These events lead to multiple errors in the circuit, and while several methods exist to deal with single node errors, multiple node errors are very hard to deal with using any currently existing protection methods. The method is particularly useful for CMOS based logic circuits in modem technologies (.ltoreq.90 nm), where the occurrence of multiple node pulses becomes high (due to the high integration level). It uses a unique layout configuration, which makes the circuits protected against single event generated soft-errors.
    • 本发明包括一种有效保护逻辑电路免受软错误(非破坏性错误)和电路单元的布局方法,其布局具有防止软错误的布局。 特别地,该方法防止电路中的多个节点受单个事件影响的情况。 这些事件导致电路中的多个错误,并且虽然存在用于处理单节点错误的几种方法,但是多个节点错误很难处理使用任何当前存在的保护方法。 该方法对于调制解调器技术(.ltoreq.90nm)中的基于CMOS的逻辑电路特别有用,其中多个节点脉冲的发生变高(由于高集成度)。 它使用独特的布局配置,这使得电路可以防止单个事件产生的软错误。
    • 7. 发明申请
    • LAYOUT METHOD FOR SOFT-ERROR HARD ELECTRONICS, AND RADIATION HARDENED LOGIC CELL
    • 用于软错误硬电子的布局方法和辐射硬化逻辑单元
    • US20130227499A1
    • 2013-08-29
    • US13463706
    • 2012-05-03
    • Klas Olof Lilja
    • Klas Olof Lilja
    • G06F17/50
    • G06F17/5045G06F17/5068G06F2217/12H03K19/0033H03K19/00338H03K19/20Y02P90/265
    • This invention comprises a layout method to effectively protect logic circuits against soft errors (non-destructive errors) and circuit cells, with layout, which are protected against soft errors. In particular, the method protects against cases where multiple nodes in circuit are affected by a single event. These events lead to multiple errors in the circuit, and while several methods exist to deal with single node errors, multiple node errors are very hard to deal with using any currently existing protection methods. The method is particularly useful for CMOS based logic circuits in modem technologies (.ltoreq.90 nm), where the occurrence of multiple node pulses becomes high (due to the high integration level). It uses a unique layout configuration, which makes the circuits protected against single event generated soft-errors.
    • 本发明包括一种有效保护逻辑电路免受软错误(非破坏性错误)和电路单元的布局方法,其布局具有防止软错误的布局。 特别地,该方法防止电路中的多个节点受单个事件影响的情况。 这些事件导致电路中的多个错误,并且虽然存在用于处理单节点错误的几种方法,但是多个节点错误很难处理使用任何当前存在的保护方法。 该方法对于调制解调器技术(.ltoreq.90nm)中的基于CMOS的逻辑电路特别有用,其中多个节点脉冲的发生变高(由于高集成度)。 它使用独特的布局配置,这使得电路可以防止单个事件产生的软错误。
    • 8. 发明授权
    • Latch circuit
    • 锁存电路
    • US08421503B2
    • 2013-04-16
    • US12715815
    • 2010-03-02
    • Taiki UemuraYoshiharu Tosaka
    • Taiki UemuraYoshiharu Tosaka
    • H03K19/094H03K3/356
    • H03K3/356156G01R31/31816H03K3/0375H03K19/0033
    • A latch circuit includes an input part receiving an external input signal; a plurality of CMOS inverter circuits divided into a first group that includes a first CMOS inverter circuit and a second CMOS inverter circuit outputting inverted data with respect to the input signal, and a second group that includes a third CMOS inverter circuit and a fourth CMOS inverter circuit outputting the same data as the input signal; and a feedback path through which the input signal is fed back to the input part via the plurality of CMOS inverter circuits, wherein a second-polarity drain belonging to one of the first CMOS inverter circuit and the second CMOS inverter circuit is arranged between a first-polarity drain belonging to the first CMOS inverter circuit and a first-polarity drain belonging to the second CMOS inverter circuit.
    • 锁存电路包括接收外部输入信号的输入部分; 多个CMOS反相器电路,分为第一组,其包括第一CMOS反相器电路和输出相对于输入信号的反相数据的第二CMOS反相器电路;以及第二组,其包括第三CMOS反相器电路和第四CMOS反相器 电路输出与输入信号相同的数据; 以及反馈路径,通过所述反馈路径,所述输入信号经由所述多个CMOS反相器电路被反馈到所述输入部,其中属于所述第一CMOS反相器电路和所述第二CMOS反相器电路之一的第二极性漏极被布置在第一 属于第一CMOS反相器电路的漏极漏极和属于第二CMOS反相器电路的第一极性漏极。
    • 9. 发明授权
    • Radiation-tolerant level shifting
    • 辐射电平变化
    • US08390327B1
    • 2013-03-05
    • US13214040
    • 2011-08-19
    • Charles ParkhurstMark Hamlyn
    • Charles ParkhurstMark Hamlyn
    • H03K19/0175
    • H03K19/0033
    • A system and method for radiation-tolerant level shifting are disclosed. In some embodiments, an integrated circuit may include a plurality of level shifters, where each of the plurality of level shifters configured receive a same logic level in a first voltage domain and to output candidate logic levels in a second voltage domain, and where at least one of the candidate logic levels subject to being different from another one of the candidate logic levels. The integrated circuit may also include a voting circuit coupled to the plurality of level shifters, where the voting circuit is configured to evaluate the candidate logic levels and output a selected logic level based, at least in part, upon the evaluation.
    • 公开了用于辐射耐受电平转换的系统和方法。 在一些实施例中,集成电路可以包括多个电平移位器,其中配置的多个电平移位器中的每一个在第一电压域中接收相同的逻辑电平,并且在第二电压域中输出候选逻辑电平,并且至少在 候选逻辑电平之一与候选逻辑电平中的另一个不同。 集成电路还可以包括耦合到多个电平移位器的投票电路,其中投票电路被配置为评估候选逻辑电平并且至少部分地基于评估来输出所选择的逻辑电平。