WO2005116878A3 - Apparatus and methods for adjusting performance of integrated circuits - Google Patents

Apparatus and methods for adjusting performance of integrated circuits Download PDF

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Publication number
WO2005116878A3
WO2005116878A3 PCT/US2005/017265 US2005017265W WO2005116878A3 WO 2005116878 A3 WO2005116878 A3 WO 2005116878A3 US 2005017265 W US2005017265 W US 2005017265W WO 2005116878 A3 WO2005116878 A3 WO 2005116878A3
Authority
WO
WIPO (PCT)
Prior art keywords
delay
methods
integrated circuits
bias
adjusting performance
Prior art date
Application number
PCT/US2005/017265
Other languages
French (fr)
Other versions
WO2005116878A2 (en
Inventor
David Lewis
Vaughn Betz
Irfan Rahim
Peter Mcelheny
Yow-Juang W Liu
Bruce Pedersen
Original Assignee
Altera Corp
David Lewis
Vaughn Betz
Irfan Rahim
Peter Mcelheny
Yow-Juang W Liu
Bruce Pedersen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/848,953 external-priority patent/US7348827B2/en
Application filed by Altera Corp, David Lewis, Vaughn Betz, Irfan Rahim, Peter Mcelheny, Yow-Juang W Liu, Bruce Pedersen filed Critical Altera Corp
Priority to CN2005800235701A priority Critical patent/CN1985440B/en
Priority to JP2007527379A priority patent/JP2007538474A/en
Priority to EP05749431.2A priority patent/EP1776759B1/en
Publication of WO2005116878A2 publication Critical patent/WO2005116878A2/en
Publication of WO2005116878A3 publication Critical patent/WO2005116878A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/30—Circuit design
    • G06F30/34—Circuit design for reconfigurable circuits, e.g. field programmable gate arrays [FPGA] or programmable logic devices [PLD]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003—Modifications for increasing the reliability for protection
    • H03K19/00369—Modifications for compensating variations of temperature, supply voltage or other physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/133—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active delay devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/00019—Variable delay
    • H03K2005/00058—Variable delay controlled by a digital setting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/0015—Layout of the delay element
    • H03K2005/00156—Layout of the delay element using opamps, comparators, voltage multipliers or other analog building blocks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/0018—Special modifications or use of the back gate voltage of a FET

Abstract

A programmable logic device (PLD) includes a delay circuit and a body-bias generator. The delay circuit has a delay configured to represent a delay of user circuit implement in the PLD. The body-bias generator is configured to adjust the body bias of a transistor within the user circuit. The body-bias generator adjusts the body bias of the transistor in response to a level derived from the signal propagation delay of the delay circuit.
PCT/US2005/017265 2004-05-19 2005-05-18 Apparatus and methods for adjusting performance of integrated circuits WO2005116878A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2005800235701A CN1985440B (en) 2004-05-19 2005-05-18 Apparatus and method for adjusting performance of integrated circuits
JP2007527379A JP2007538474A (en) 2004-05-19 2005-05-18 Apparatus and method for tuning integrated circuit performance
EP05749431.2A EP1776759B1 (en) 2004-05-19 2005-05-18 Apparatus and methods for adjusting performance of integrated circuits

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/848,953 2004-05-19
US10/848,953 US7348827B2 (en) 2004-05-19 2004-05-19 Apparatus and methods for adjusting performance of programmable logic devices
US10/865,402 2004-06-10
US10/865,402 US7129745B2 (en) 2004-05-19 2004-06-10 Apparatus and methods for adjusting performance of integrated circuits

Publications (2)

Publication Number Publication Date
WO2005116878A2 WO2005116878A2 (en) 2005-12-08
WO2005116878A3 true WO2005116878A3 (en) 2006-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/017265 WO2005116878A2 (en) 2004-05-19 2005-05-18 Apparatus and methods for adjusting performance of integrated circuits

Country Status (5)

Country Link
US (3) US7129745B2 (en)
EP (1) EP1776759B1 (en)
JP (1) JP2007538474A (en)
CN (1) CN102361449B (en)
WO (1) WO2005116878A2 (en)

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JP2007538474A (en) 2007-12-27
US20070069764A1 (en) 2007-03-29
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CN102361449A (en) 2012-02-22
US7573317B2 (en) 2009-08-11
US20050280437A1 (en) 2005-12-22
US8138786B2 (en) 2012-03-20
EP1776759A2 (en) 2007-04-25
US7129745B2 (en) 2006-10-31
US20090289696A1 (en) 2009-11-26
EP1776759B1 (en) 2017-06-07

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