Supply voltage droop management circuits for reducing or avoiding supply voltage droops

    公开(公告)号:US10296076B2

    公开(公告)日:2019-05-21

    申请号:US15156156

    申请日:2016-05-16

    Abstract: Supply voltage droop management circuits for reducing or avoiding supply voltage droops are disclosed. A supply voltage droop management circuit includes interrupt circuit configured to receive event signals generated by a functional circuit. Event signals correspond to an operational event that occurs in the functional circuit and increases load current demand to a power supply powering the functional circuit, causing supply voltage droop. The interrupt circuit is configured to generate an interrupt signal in response to the received event signal. Memory includes an operational event-frequency table having entries with a target frequency corresponding to an operational event. Operating the functional circuit at target frequency reduces the load current demand on the power supply, and supply voltage droop. A clock control circuit is configured to receive interrupt signal, access memory to determine the target frequency, and generate clock frequency adjustment signal to cause clock generator to adjust to the target frequency.

    Multi-processor core three-dimensional (3D) integrated circuits (ICs) (3DICs), and related methods

    公开(公告)号:US10176147B2

    公开(公告)日:2019-01-08

    申请号:US15452299

    申请日:2017-03-07

    Abstract: Multi-processor core three-dimensional (3D) integrated circuits (ICs) (3DICs) and related methods are disclosed. In aspects disclosed herein, ICs are provided that include a central processing unit (CPU) having multiple processor cores (“cores”) to improve performance. To further improve CPU performance, the multiple cores can also be designed to communicate with each other to offload workloads and/or share resources for parallel processing, but at a communication overhead associated with passing data through interconnects which have an associated latency. To mitigate this communication overhead inefficiency, aspects disclosed herein provide the CPU with its multiple cores in a 3DIC. Because 3DICs can overlap different IC tiers and/or align similar components in the same IC tier, the cores can be designed and located between or within different IC tiers in a 3DIC to reduce communication distance associated with processor core communication to share workload and/or resources, thus improving performance of the multi-processor CPU design.

    SUPPLY VOLTAGE DROOP MANAGEMENT CIRCUITS FOR REDUCING OR AVOIDING SUPPLY VOLTAGE DROOPS

    公开(公告)号:US20170329391A1

    公开(公告)日:2017-11-16

    申请号:US15156156

    申请日:2016-05-16

    Abstract: Supply voltage droop management circuits for reducing or avoiding supply voltage droops are disclosed. A supply voltage droop management circuit includes interrupt circuit configured to receive event signals generated by a functional circuit. Event signals correspond to an operational event that occurs in the functional circuit and increases load current demand to a power supply powering the functional circuit, causing supply voltage droop. The interrupt circuit is configured to generate an interrupt signal in response to the received event signal. Memory includes an operational event-frequency table having entries with a target frequency corresponding to an operational event. Operating the functional circuit at target frequency reduces the load current demand on the power supply, and supply voltage droop. A clock control circuit is configured to receive interrupt signal, access memory to determine the target frequency, and generate clock frequency adjustment signal to cause clock generator to adjust to the target frequency.

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