公开(公告)号：US09245595B2

公开(公告)日：2016-01-26

申请号：US14137859

申请日：2013-12-20

Applicant: NVIDIA Corporation

Inventor： Stephen Felix ,  Stéphane Badel

IPC: G11C11/419 ,  G11C5/14 ,  G11C11/412 ,  G11C11/417 ,  G11C8/16

CPC classification number: G11C5/145 ,  G11C5/14 ,  G11C8/16 ,  G11C11/412 ,  G11C11/417 ,  G11C11/419

Abstract: A method and a system are provided for performing memory access assist using voltage boost. A memory access request is received at a storage cell array that comprises two or more subarrays, each subarray including at least one row of storage cells. The voltage boost is applied, during the memory access, to a first negative supply voltage of a first storage cell subarray of the two or more storage cell subarrays. The first negative supply voltage of the first storage cell subarray is lower than a second negative supply voltage of a second storage cell subarray of the two or more storage cell subarrays.

Abstract translation: 提供了一种使用电压提升来执行存储器访问辅助的方法和系统。 在包含两个或更多个子阵列的存储单元阵列处接收存储器访问请求，每个子阵列包括至少一行存储单元。 在存储器访问期间将电压升高施加到两个或更多个存储单元子阵列的第一存储单元子阵列的第一负电源电压。 第一存储单元子阵列的第一负电源电压低于两个或多个存储单元子阵列的第二存储单元子阵列的第二负电源电压。

公开(公告)号：US09182768B2

公开(公告)日：2015-11-10

申请号：US14149915

申请日：2014-01-08

Applicant: Nvidia Corporation

Inventor： Brian L. Smith ,  Stephen Felix ,  Jesse Max Guss ,  Tezaswi Raja

IPC: G05F1/10 ,  G05F3/02 ,  G05F1/46

CPC classification number: G05F1/465 ,  G05F1/462

Abstract: A voltage margin controller, an IC included the same and a method of controlling voltage margin for a voltage domain of an IC are disclosed herein. In one embodiment, the voltage margin controller includes: (1) monitoring branches including circuit function indicators configured to indicate whether circuitry in the voltage domain could operate at corresponding candidate reduced voltage levels and (2) a voltage margin adjuster coupled to the monitoring branches and configured to develop a voltage margin adjustment for a voltage regulator of the voltage domain based upon an operating number of the circuit function indicators.

Abstract translation: 这里公开了电压裕量控制器，包括IC的IC和控制IC的电压域的电压裕度的方法。 在一个实施例中，电压裕度控制器包括：（1）监视分支，包括电路功能指示器，其配置为指示电压域中的电路是否可在相应的候选降低的电压电平下工作，以及（2）耦合到监控分支的电压余量调整器， 被配置为基于电路功能指示器的操作数量来开发用于电压域的电压调节器的电压余量调整。

公开(公告)号：US20150192942A1

公开(公告)日：2015-07-09

申请号：US14149915

申请日：2014-01-08

Applicant: Nvidia Corporation

Inventor： Brian L. Smith ,  Stephen Felix ,  Jesse Max Guss ,  Tezaswi Raja

IPC: G05F1/46

CPC classification number: G05F1/465 ,  G05F1/462

Abstract: A voltage margin controller, an IC included the same and a method of controlling voltage margin for a voltage domain of an IC are disclosed herein. In one embodiment, the voltage margin controller includes: (1) monitoring branches including circuit function indicators configured to indicate whether circuitry in the voltage domain could operate at corresponding candidate reduced voltage levels and (2) a voltage margin adjuster coupled to the monitoring branches and configured to develop a voltage margin adjustment for a voltage regulator of the voltage domain based upon an operating number of the circuit function indicators.

Abstract translation: 这里公开了电压裕量控制器，包括IC的IC和控制IC的电压域的电压裕度的方法。 在一个实施例中，电压裕度控制器包括：（1）监视分支，包括电路功能指示器，其配置为指示电压域中的电路是否可在相应的候选降低的电压电平下工作，以及（2）耦合到监控分支的电压余量调整器， 被配置为基于电路功能指示器的操作数量来开发用于电压域的电压调节器的电压余量调整。

公开(公告)号：US20150113300A1

公开(公告)日：2015-04-23

申请号：US14059661

申请日：2013-10-22

Applicant: NVIDIA Corporation

Inventor： Peter Cumming ,  Stephen Felix

IPC: G06F1/32

CPC classification number: G06F1/3296 ,  G06F1/3215 ,  G06F1/324 ,  Y02D10/126 ,  Y02D10/172

Abstract: Disclosed herein is a computer system operating on a local power supply of finite capacity has a plurality of system components each connected to a voltage supply system to draw current for their operation. The computer system includes a measuring circuit connected to detect prevailing usage of the local power supply, for example, a battery. The supply system is connected to receive an indication from the measuring circuit of excessive usage and is adapted to reduce the available supply voltage to selected ones of the system components. Each system component is associated with a clock controller which selects a clock frequency for operation of a component in dependence on the available voltage supply. Also disclosed is a supply system for a computer device operating on a local power supply of finite capacity.

Abstract translation: 这里公开的是在有限容量的本地电源上操作的计算机系统具有多个系统组件，每个系统组件连接到电压供应系统以为其操作抽取电流。 计算机系统包括连接以检测本地电源（例如电池）的主要使用的测量电路。 供应系统被连接以接收来自测量电路的过度使用的指示，并且适于减小对所选择的系统组件的可用电源电压。 每个系统组件与时钟控制器相关联，时钟控制器根据可用的电压供应选择用于操作组件的时钟频率。 还公开了一种用于在有限容量的本地电源上工作的计算机设备的供应系统。