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Adaptive body bias or voltage regulation using relaxation sensor

A technology of bias voltage and voltage regulation circuit, which can be used in instruments, measuring electricity, electrical components, etc., and can solve problems such as system difficulties

Pending Publication Date: 2022-03-11
道芬设计公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are difficulties in implementing such a system where the clock frequency and / or supply voltage may also be dynamically modified

Method used

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  • Adaptive body bias or voltage regulation using relaxation sensor
  • Adaptive body bias or voltage regulation using relaxation sensor
  • Adaptive body bias or voltage regulation using relaxation sensor

Examples

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Embodiment Construction

[0046] In the various drawings, like features have been indicated by like reference numerals. In particular, common structural and / or functional features between the various embodiments may have the same reference numerals and may be arranged with the same structural, dimension and material properties.

[0047] Unless otherwise indicated, when referring to two elements connected together, this means that there is no direct connection of any intermediate elements other than conductors, and when referring to two elements that are coupled or coupled together, it means that the two Elements may be connected, or they may be joined or coupled through one or more other elements.

[0048] In the following disclosure, unless otherwise specified, when referring to absolute position qualifiers, such as the terms "front", "rear", "upper", "lower", "left", "right", etc., or relative position When using qualifiers such as the terms "above", "below", "higher", "lower", etc., or directional ...

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Abstract

The present disclosure relates to an adaptive body bias or voltage regulation circuit for a circuit region, comprising: a first delay module (602) configured to delay a local clock signal to generate a first output signal and a second output signal delayed by a first delay and a second delay; a multiplexer configured to select one of the first output signal and the second output signal; a first relaxation monitoring circuit configured to generate a first detection signal indicating when a relaxation time of the first and second output signals is less than a first threshold; a voltage generation circuit configured to generate a supply voltage for the circuit region, or at least one bias voltage (VNW, VPW) for biasing a well of a transistor in the circuit region, using another control loop comprising a process, voltage and / or temperature sensor; and a control circuit configured to adjust a gain of the other control loop based on the first detection signal.

Description

[0001] Related Application Cross Reference [0002] This patent application claims priority from French patent application FR2009234 filed September 11, 2020, the content of which is hereby incorporated by reference. technical field [0003] The present invention relates generally to the field of integrated circuits, and more particularly to adaptive body biasing (ABB) or voltage regulation based on relaxation measurements. Background technique [0004] It has been proposed to vary the body bias voltage of transistors of integrated circuits to improve performance and / or reduce power consumption. The move to SOI (silicon-on-insulator)-based transistor technology makes body biasing a particularly interesting proposition because the technology allows a relatively wide range of bias voltages (e.g. from as low as -3V to as high as +3V) to be applied to the body of the device. In contrast, in the case of bulk transistors, the more limited body bias range is -300mV to +300mV. A ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K5/135
CPCH03K5/135H03K2005/00019G06F1/3296Y02D10/00H03K5/134G01R31/3016G01R31/31725G06F1/08G06F1/3203H03K3/011H03K2005/00013
Inventor 塞巴斯蒂安·热纳韦马蒂厄·卢瓦特莱昂内尔·尤雷
Owner 道芬设计公司