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1. 发明申请

US20070225959A1 Mechanism for estimating and controlling di/dt-induced power supply voltage variations 有权
公开(公告)号：US20070225959A1
公开(公告)日：2007-09-27
申请号：US11804860
申请日：2007-05-21
申请人： Edward Grochowski , David Sager , Vivek Tiwari , Ian Young , David Ayers
发明人： Edward Grochowski , David Sager , Vivek Tiwari , Ian Young , David Ayers
IPC分类号： G06F17/50
CPC分类号： G06F1/3296 , G06F1/26 , G06F1/3203 , G06F17/5036 , G06F2217/78 , Y02D10/172
摘要： A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the device. A current computation unit stores values representing a sequence of current amplitudes drawn by the device on successive clock cycles, and provides them to a current to voltage computation unit. The current to voltage computation unit filters the current amplitudes according to coefficients derived from the response function to provide an estimate of the voltage seen by the device. Operation of the device is adjusted if the estimated voltage falls outside the specified range.

2. 发明申请

US20060100840A1 Mechanism for estimating and controlling di/dt-induced power supply voltage variations 有权
公开(公告)号：US20060100840A1
公开(公告)日：2006-05-11
申请号：US11317948
申请日：2005-12-23
申请人： Edward Grochowski , David Sager , Vivek Tiwari , Ian Young , David Ayers
发明人： Edward Grochowski , David Sager , Vivek Tiwari , Ian Young , David Ayers
IPC分类号： G06F17/50
CPC分类号： G06F1/3296 , G06F1/26 , G06F1/3203 , G06F17/5036 , G06F2217/78 , Y02D10/172
摘要： A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the device. A current computation unit stores values representing a sequence of current amplitudes drawn by the device on successive clock cycles, and provides them to a current to voltage computation unit. The current to voltage computation unit filters the current amplitudes according to coefficients derived from the response function to provide an estimate of the voltage seen by the device. Operation of the device is adjusted if the estimated voltage falls outside the specified range.

3. 发明授权

US06636976B1 Mechanism to control di/dt for a microprocessor 有权
标题翻译：控制微处理器的di / dt的机制
公开(公告)号：US06636976B1
公开(公告)日：2003-10-21
申请号：US09608748
申请日：2000-06-30
申请人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
发明人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
IPC分类号： G06F132
CPC分类号： G06F1/3237 , G06F1/28 , G06F1/3203 , Y02D10/128
摘要： The present invention provides a mechanism for adjusting the activity of an integrated digital circuit such as a processor to reduce voltage changes attributable to current changes triggered by clock gating. The processor includes one or more functional units and a current control circuit that monitors activity states of the processor's functional units to estimate the current consumed over n clock cycles. The current control circuit estimates the current change for a given clock cycle from the n activity states and compares the estimated current change with first and second thresholds. The processors activity is decreased if the estimated current change is greater than the first threshold, and the processor activity is decreased if the estimated current change is less than the second threshold.
摘要翻译：本发明提供一种用于调整诸如处理器的集成数字电路的活动性的机构，以减少归因于由时钟门控触发的电流变化的电压变化。处理器包括一个或多个功能单元和电流控制电路，其监视处理器的功能单元的活动状态以估计在n个时钟周期内消耗的电流。电流控制电路从n个活动状态估计给定时钟周期的电流变化，并将估计的电流变化与第一和第二阈值进行比较。如果估计的电流变化大于第一阈值，则处理器活动减小，并且如果估计的电流变化小于第二阈值，则处理器活动性降低。

4. 发明授权

US07236920B2 Mechanism for estimating and controlling di/dt-induced power supply voltage variations 有权
标题翻译：用于估计和控制di / dt感应电源电压变化的机制
公开(公告)号：US07236920B2
公开(公告)日：2007-06-26
申请号：US11317948
申请日：2005-12-23
申请人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
发明人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
IPC分类号： G06F17/50
CPC分类号： G06F1/3296 , G06F1/26 , G06F1/3203 , G06F17/5036 , G06F2217/78 , Y02D10/172
摘要： A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the device. A current computation unit stores values representing a sequence of current amplitudes drawn by the device on successive clock cycles, and provides them to a current to voltage computation unit. The current to voltage computation unit filters the current amplitudes according to coefficients derived from the response function to provide an estimate of the voltage seen by the device. Operation of the device is adjusted if the estimated voltage falls outside the specified range.
摘要翻译：公开了一种用于向特定电压范围内的设备供电的系统。该系统包括功率传递网络，其特征在于响应功能，以向设备传送电力。当前计算单元存储表示在连续的时钟周期上由设备绘制的当前幅度序列的值，并将其提供给电流到电压计算单元。电流对电压计算单元根据从响应函数导出的系数对当前幅度进行滤波，以提供器件所看到的电压的估计。如果估计电压超出规定范围，则调整设备的运行。

5. 发明授权

US07035785B2 Mechanism for estimating and controlling di/dt-induced power supply voltage variations 失效
公开(公告)号：US07035785B2
公开(公告)日：2006-04-25
申请号：US10040582
申请日：2001-12-28
申请人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
发明人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
IPC分类号： G06F17/50
CPC分类号： G06F1/3296 , G06F1/26 , G06F1/3203 , G06F17/5036 , G06F2217/78 , Y02D10/172
摘要： A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the device. A current computation unit stores values representing a sequence of current amplitudes drawn by the device on successive clock cycles, and provides them to a current to voltage computation unit. The current to voltage computation unit filters the current amplitudes according to coefficients derived from the response function to provide an estimate of the voltage seen by the device. Operation of the device is adjusted if the estimated voltage falls outside the specified range.

6. 发明授权

US07742910B2 Mechanism for estimating and controlling di/dt-induced power supply voltage variations 有权
标题翻译：用于估计和控制di / dt感应电源电压变化的机制
公开(公告)号：US07742910B2
公开(公告)日：2010-06-22
申请号：US11804860
申请日：2007-05-21
申请人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
发明人： Edward T. Grochowski , David Sager , Vivek Tiwari , Ian Young , David J. Ayers
IPC分类号： G06F17/50
CPC分类号： G06F1/3296 , G06F1/26 , G06F1/3203 , G06F17/5036 , G06F2217/78 , Y02D10/172
摘要： A system for delivering power to a device in a specified voltage range is disclosed. The system includes a power delivery network, characterized by a response function, to deliver power to the device. A current computation unit stores values representing a sequence of current amplitudes drawn by the device on successive clock cycles, and provides them to a current to voltage computation unit. The current to voltage computation unit filters the current amplitudes according to coefficients derived from the response function to provide an estimate of the voltage seen by the device. Operation of the device is adjusted if the estimated voltage falls outside the specified range.
摘要翻译：公开了一种用于向特定电压范围内的设备供电的系统。该系统包括功率传递网络，其特征在于响应功能，以向设备传送电力。当前计算单元存储表示在连续的时钟周期上由设备绘制的当前幅度序列的值，并将其提供给电流到电压计算单元。电流对电压计算单元根据从响应函数导出的系数对当前幅度进行滤波，以提供器件所看到的电压的估计。如果估计电压超出规定范围，则调整设备的运行。

7. 发明授权

US07685451B2 Method and apparatus to limit current-change induced voltage changes in a microcircuit 失效
标题翻译：限制微电路中电流变化感应电压变化的方法和装置
公开(公告)号：US07685451B2
公开(公告)日：2010-03-23
申请号：US10327441
申请日：2002-12-20
申请人： James S. Burns , Kenneth D. Shoemaker , Sudarshan Kumar , Tom E. Wang , David J. Ayers , Vivek Tiwari
发明人： James S. Burns , Kenneth D. Shoemaker , Sudarshan Kumar , Tom E. Wang , David J. Ayers , Vivek Tiwari
IPC分类号： G06F1/26
CPC分类号： G06F1/305
摘要： A method and apparatus for compensating for current-change induced voltage changes is disclosed. In one embodiment, a digital throttle unit coupled to an instruction pipeline may generate a compensating current signal, which may then cause a dummy load to consume a compensating current. In another embodiment, a counter responsive to changes in clock frequency may generate a ramp current signal, which may then cause a dummy load to consume a current corresponding to the ramp current signal.
摘要翻译：公开了一种用于补偿电流变化感应电压变化的方法和装置。在一个实施例中，耦合到指令流水线的数字节流单元可以生成补偿电流信号，然后可以使虚拟负载消耗补偿电流。在另一个实施例中，响应于时钟频率变化的计数器可产生斜坡电流信号，然后可以使虚拟负载消耗对应于斜坡电流信号的电流。

8. 发明授权

US07281140B2 Digital throttle for multiple operating points 有权
标题翻译：数字油门为多个操作点
公开(公告)号：US07281140B2
公开(公告)日：2007-10-09
申请号：US10041092
申请日：2001-12-28
申请人： James S. Burns , Stefan Rusu , David J. Ayers , Edward T. Grochowski , Marsha Eng , Vivek Tiwari
发明人： James S. Burns , Stefan Rusu , David J. Ayers , Edward T. Grochowski , Marsha Eng , Vivek Tiwari
IPC分类号： G06F1/04
CPC分类号： G06F9/3869 , G06F1/3203 , G06F1/3237 , G06F1/3243 , G06F9/3017 , G06F9/3873 , Y02D10/128 , Y02D10/152
摘要： A processor includes a digital throttle to monitor the activity of various units of the processor's instruction execution pipeline. The monitored activity is scaled according to the current operating point of the processor and a power state is determined from the scaled activity. If the power state reaches a first threshold, the operating point of the processor is adjusted and a new scaling factor is selected to determine the power state.
摘要翻译：处理器包括数字油门以监视处理器的指令执行流水线的各个单元的活动。监视的活动根据处理器的当前工作点进行缩放，并且从缩放的活动确定功率状态。如果功率状态达到第一阈值，则调整处理器的工作点并选择新的比例因子来确定功率状态。

9. 发明授权

US06577524B2 Memory structures having selectively disabled portions for power conservation 有权
公开(公告)号：US06577524B2
公开(公告)日：2003-06-10
申请号：US10228098
申请日：2002-08-27
申请人： David M. Brooks , Vivek Tiwari
发明人： David M. Brooks , Vivek Tiwari
IPC分类号： G11C1900
CPC分类号： G11C7/22
摘要： An architecture for registers and/or memory may provide a selectively disable payload portion. The architecture induced energy conservation. The architecture may include two or more payload portions for storage of payload data and a portion for storage of administrative data. Based on the contacts of the administrative data, certain payload portions may be enabled or disabled.

10. 发明授权

US07020590B2 Simulation of di/dt-induced power supply voltage variation 失效
公开(公告)号：US07020590B2
公开(公告)日：2006-03-28
申请号：US10041062
申请日：2001-12-28
申请人： Edward T. Grochowski , David J. Ayers , Vivek Tiwari
发明人： Edward T. Grochowski , David J. Ayers , Vivek Tiwari
IPC分类号： G06F17/50 , G06F13/00
CPC分类号： G06F1/28 , G06F17/5036
摘要： A mechanism is disclosed for determining a voltage at a device in a power delivery network. The mechanism includes determining an impulse response for the power delivery network, and tracking the current consumed by the device as it operates over a sequence of clock cycles. The activity profile is filtered using a representation of the impulse response to provide a profile of the voltages at the device.

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