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    • 1. 发明授权
    • Dynamic logical circuit having a pre-charge element separately controlled by a voltage-asymmetric clock
    • 具有由电压非对称时钟分别控制的预充电元件的动态逻辑电路
    • US07282960B2
    • 2007-10-16
    • US11168718
    • 2005-06-28
    • Wendy Ann BelluominiRobert Kevin MontoyeAniket Mukul Saha
    • Wendy Ann BelluominiRobert Kevin MontoyeAniket Mukul Saha
    • H03K19/20H03K19/094H03K19/0175H03K19/096
    • H03K19/0963
    • A dynamic logical circuit having a pre-charge element separately controlled by a voltage-asymmetric clock controlled provides increased noise immunity in dynamic digital circuits. By clocking the pre-charge element with a signal having a reduced swing in the voltage direction that turns off the pre-charge element, the pre-charge element provides a small current that prevents the dynamic summing node of a gate from erroneously evaluating due to noise, and eliminates the need for a keeper device. Providing the reduced-swing asymmetric clock as a separate signal prevents performance degradation in the rest of the circuit. Specifically, the foot devices in the dynamic portion of the circuit are controlled with the full swing clock so that evaluation is not compromised by noise or slowed. Foot and pull-up devices in any static portion of the circuit are also controlled with the full-swing clock so that switching speed and leakage immunity are not affected.
    • 具有由电压非对称时钟控制的预充电元件的动态逻辑电路在动态数字电路中提供了增强的抗噪声能力。 通过对具有减小预充电元件的电压方向上的摆幅减小的信号对预充电元件进行计时,预充电元件提供小电流,以防止门的动态求和节点由于 噪音,并且消除了对保持装置的需要。 将降频摆动非对称时钟提供为单独的信号可防止电路其余部分的性能下降。 具体地说,利用全摆动时钟来控制电路的动态部分中的脚部装置,使得评估不会受到噪声的影响或减慢。 电路的任何静态部分中的脚踏和上拉器件也可以通过全频时钟控制,从而不影响开关速度和漏电抗扰度。
    • 2. 发明授权
    • Method and apparatus for low overhead circuit scan
    • 低开销电路扫描的方法和装置
    • US07047468B2
    • 2006-05-16
    • US10670832
    • 2003-09-25
    • Wendy Ann BelluominiAndrew K. MartinChandler Todd McDowellRobert Kevin Montoye
    • Wendy Ann BelluominiAndrew K. MartinChandler Todd McDowellRobert Kevin Montoye
    • G01R31/28
    • G01R31/318572G11C29/003
    • A method and system for manipulating data in a state holding elements array. Process data is moved through the state holding elements array by a process controller. A separate scan controller scans data out of the state holding elements array by scanning data out of a group of cascaded latches where there are insufficient extra state holding elements in the group to enable normal scan. A multiplicity of local scan clocks are utilized to shift selected amounts of data only when a next state holding element in the group has been made available by clearing the contents of that next state holding element. In this way, any given latch, for the purpose of scan, is not a dedicated master or slave latch, but can act as either. This invention also addresses a circuit for the creation of the multiplicity of local clocks from a conventional LSSD clock source.
    • 用于在保持元素数组的状态下操作数据的方法和系统。 过程控制器将过程数据移动通过状态保持元素数组。 单独的扫描控制器通过从组中不充足的额外状态保持元件的一组级联锁存器扫描数据来扫描状态保持元件阵列中的数据,以启用正常扫描。 仅当通过清除该下一状态保持元件的内容已经使该组中的下一状态保持元件可用时,才使用多个本地扫描时钟来移位所选择的数据量。 以这种方式,为了扫描的目的,任何给定的锁存器不是专用的主器件或从器件锁存器,而是可以作为任一个。 本发明还涉及用于从常规LSSD时钟源产生多个本地时钟的电路。
    • 4. 发明授权
    • Circuits and systems for limited switch dynamic logic
    • 有限开关动态逻辑的电路和系统
    • US06650145B2
    • 2003-11-18
    • US10116612
    • 2002-04-04
    • Hung Cai NgoWendy Ann BelluominiRobert Kevin Montoye
    • Hung Cai NgoWendy Ann BelluominiRobert Kevin Montoye
    • H03K1900
    • H03K19/0963
    • Circuits and systems for producing a static switching factor on the output lines of dynamic logic devices. A logic device having a dynamic portion and a static portion is implemented. In this way, an output logic state is maintained so long as the value of the Boolean operation being performed by the device does not change. Additionally, static logic elements may perform the inversions necessary to output both logic senses, mitigating the need to provide for dual-rail dynamic logic implementations. An asymmetric clock, permits a concomitant decrease in the size of the precharge transistors, thus ameliorating the area required by the logic element and, obviating a need for keeper device.
    • 用于在动态逻辑器件的输出线上产生静态开关因子的电路和系统。 实现具有动态部分和静态部分的逻辑设备。 这样,只要设备执行的布尔运算的值不变,就保持输出逻辑状态。 此外,静态逻辑元件可以执行输出逻辑感应所需的反转,减轻提供双轨动态逻辑实现的需要。 非对称时钟允许预充电晶体管的尺寸伴随减小,因此改善了逻辑元件所需的面积,并且避免了对保持器装置的需要。
    • 9. 发明授权
    • Enhanced data retention mode for dynamic memories
    • 增强动态存储器的数据保留模式
    • US08605489B2
    • 2013-12-10
    • US13307884
    • 2011-11-30
    • William Robert ReohrRobert Kevin MontoyeMichael A Sperling
    • William Robert ReohrRobert Kevin MontoyeMichael A Sperling
    • G11C11/24G11C7/00G11C5/14G11C8/00
    • G11C11/4085G11C11/406G11C11/4072G11C11/4074G11C11/4094
    • A memory device includes memory cells, each of the memory cells having corresponding bit and word lines connected thereto for accessing the memory cells, a word line circuit coupled with at least one word line, and a bit line circuit coupled with at least one bit line. The memory device further includes at least one control circuit coupled with the bit and word line circuits. The control circuit is operative to cause state information to be stored in the memory cells. At least one switching element selectively connects the memory cells, the bit and word line circuits, and the control circuit to at least one power supply as a function of at least one control signal. The control circuit generates the control signal for disconnecting at least portions of the word line and bit line circuits from the power supply while state information is retained in the memory cells.
    • 存储器件包括存储器单元,每个存储器单元具有连接到其上的相应位和字线用于访问存储器单元,与至少一个字线耦合的字线电路和与至少一个位线耦合的位线电路 。 存储器件还包括与位和字线电路耦合的至少一个控制电路。 控制电路用于使状态信息存储在存储单元中。 至少一个开关元件将存储器单元,位和字线电路以及控制电路选择性地连接到作为至少一个控制信号的函数的至少一个电源。 控制电路产生控制信号,用于将字线和位线电路的至少一部分与电源断开,同时将状态信息保留在存储单元中。