ES2099537T3 - Generador de forma de onda de reloj digital. - Google Patents

Generador de forma de onda de reloj digital.

Info

Publication number
ES2099537T3
ES2099537T3 ES94300078T ES94300078T ES2099537T3 ES 2099537 T3 ES2099537 T3 ES 2099537T3 ES 94300078 T ES94300078 T ES 94300078T ES 94300078 T ES94300078 T ES 94300078T ES 2099537 T3 ES2099537 T3 ES 2099537T3
Authority
ES
Spain
Prior art keywords
generator
clock signals
wave shape
digital
clock
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94300078T
Other languages
English (en)
Inventor
Stephen C Horne
Scott H R Mcmahon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ES2099537T3 publication Critical patent/ES2099537T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)

Abstract

SE PROPORCIONAN UN GENERADOR DE FORMA DE ONDAS DE RELOJ DIGITAL, Y METODO PARA GENERAR UNA SEÑAL DE RELOJ, PARA UN MICROPROCESADOR U OTRO CIRCUITO DIGITAL PARA PROPORCIONAR SOBRE CHIPS GENERACION DE SEÑALES INTERNAS DE RELOJ QUE TIENEN LA MISMA FRECUENCIA QUE, O UNA FRECUENCIA SUPERIOR O INFERIOR, QUE UNA SEÑAL DE RELOJ APLICADA EXTERNAMENTE. EN UNA VERSION, EL GENERADOR DE FORMAS DE ONDA INCLUYE UNA CADENA DE RETARDOS Y UNA UNIDAD DE CONTROL QUE COINCIDE CON EL RETARDO DE PROPAGACION DE LA CADENA DE RETARDOS RESPECTO AL PERIODO DE UNA SEÑAL DE TEMPORIZACION DE ENTRADA. EL GENERADOR DE FORMA DE ONDAS PROPORCIONA CONTROL PRECISO DE LOS CICLOS DE TRABAJO DE LAS SEÑALES DE RELOJ INTERNAMENTE GENERADAS, Y PERMITE EL RAPIDO COMIENZO Y DETENCION DE LAS SEÑALES DE RELOJ INTERNAS PARA FUNCIONES DE REDUCCION DE ENERGIA. EL GENERADOR DE FORMA DE ONDAS PUEDE ADEMAS PROPORCIONAR UN RELOJ DEL SISTEMA, Y PUEDE INCLUIR CIRCUITERIA PARA CONTROLAR PRECISAMENTE LAS RELACIONES DE FASE ENTRE LAS VARIAS SEÑALESDE RELOJ. EL GENERADOR DE FORMA DE ONDAS SE FABRICA FACILMENTE CON CIRCUITERIA DIGITAL QUE AUTOMATICAMENTE COMPENSA CONDICIONES AMBIENTALES DE CAMBIO TALES COMO VOLTAJE Y TEMPERATURA OPERATIVAS.
ES94300078T 1993-01-29 1994-01-06 Generador de forma de onda de reloj digital. Expired - Lifetime ES2099537T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/011,068 US5812832A (en) 1993-01-29 1993-01-29 Digital clock waveform generator and method for generating a clock signal

Publications (1)

Publication Number Publication Date
ES2099537T3 true ES2099537T3 (es) 1997-05-16

Family

ID=21748746

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94300078T Expired - Lifetime ES2099537T3 (es) 1993-01-29 1994-01-06 Generador de forma de onda de reloj digital.

Country Status (5)

Country Link
US (1) US5812832A (es)
EP (1) EP0608972B1 (es)
JP (1) JPH06252717A (es)
DE (1) DE69402342T2 (es)
ES (1) ES2099537T3 (es)

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GB9007790D0 (en) 1990-04-06 1990-06-06 Lines Valerie L Dynamic memory wordline driver scheme
USRE40552E1 (en) 1990-04-06 2008-10-28 Mosaid Technologies, Inc. Dynamic random access memory using imperfect isolating transistors
US7167993B1 (en) 1994-06-20 2007-01-23 Thomas C Douglass Thermal and power management for computer systems
US5752011A (en) 1994-06-20 1998-05-12 Thomas; C. Douglas Method and system for controlling a processor's clock frequency in accordance with the processor's temperature
US5796673A (en) * 1994-10-06 1998-08-18 Mosaid Technologies Incorporated Delay locked loop implementation in a synchronous dynamic random access memory
US6239627B1 (en) * 1995-01-03 2001-05-29 Via-Cyrix, Inc. Clock multiplier using nonoverlapping clock pulses for waveform generation
JP3324719B2 (ja) * 1995-03-22 2002-09-17 セイコーエプソン株式会社 インクジェットプリンタ
EP0785624B1 (en) * 1996-01-19 2001-08-29 STMicroelectronics S.r.l. Windowed clock generation
US5964884A (en) * 1996-09-30 1999-10-12 Advanced Micro Devices, Inc. Self-timed pulse control circuit
US6185691B1 (en) * 1997-12-29 2001-02-06 Intel Corporation Clock generation
US6081904A (en) * 1998-04-30 2000-06-27 International Business Machines Corporation Method for insuring data integrity during transfers
DE19924343A1 (de) * 1999-05-27 2000-11-23 Siemens Ag Programmgesteuerte Einheit
US6868092B1 (en) * 2000-05-20 2005-03-15 Ciena Corporation Network device with embedded timing synchronization
FR2817981B1 (fr) * 2000-12-07 2003-02-14 Bull Sa Circuit multiplieur de fronts
US7051224B2 (en) * 2002-03-18 2006-05-23 Sun Microsystems, Inc. Method and apparatus for configuring a clock timing feedback path
US8269485B2 (en) * 2002-05-24 2012-09-18 Asylum Research Corporation Linear variable differential transformer with digital electronics
US6986116B2 (en) * 2003-01-07 2006-01-10 International Business Machines Corporation Signal balancing between voltage domains
US7073145B2 (en) * 2003-01-07 2006-07-04 International Business Machines Corporation Programmable delay method for hierarchical signal balancing
DE10330593B4 (de) * 2003-07-07 2010-11-04 Qimonda Ag Integrierter Taktversorgungsbaustein für ein Speichermodul, Speichermodul, welches den integrierten Taktversorgungsbaustein umfasst, sowie Verfahren zum Betreiben des Speichermoduls unter Testbedingungen
US7233185B2 (en) * 2003-10-10 2007-06-19 Atmel Corporation Vernier circuit for fine control of sample time
JP2006195602A (ja) * 2005-01-12 2006-07-27 Fujitsu Ltd システムクロック分配装置、システムクロック分配方法
US7844650B2 (en) * 2006-05-26 2010-11-30 Pmc Sierra Inc. Pulse output direct digital synthesis circuit
JP4643554B2 (ja) * 2006-12-25 2011-03-02 川崎マイクロエレクトロニクス株式会社 スペクトラム拡散クロックジェネレータ
US10148258B2 (en) * 2016-09-28 2018-12-04 Mellanox Technologies, Ltd. Power supply voltage monitoring and high-resolution adaptive clock stretching circuit

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725793A (en) * 1971-12-15 1973-04-03 Bell Telephone Labor Inc Clock synchronization arrangement employing delay devices
US4063308A (en) * 1975-06-27 1977-12-13 International Business Machines Corporation Automatic clock tuning and measuring system for LSI computers
DE2853523C2 (de) * 1978-12-12 1981-10-01 Ibm Deutschland Gmbh, 7000 Stuttgart Dezentrale Erzeugung von Taktsteuersignalen
US4435757A (en) * 1979-07-25 1984-03-06 The Singer Company Clock control for digital computer
EP0059744B1 (en) * 1980-09-16 1988-01-07 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Improvements in or relating to synchronising of clocks
US4412342A (en) * 1981-12-18 1983-10-25 Gte Automatic Electric Labs Inc. Clock synchronization system
US4598257A (en) * 1983-05-31 1986-07-01 Siemens Corporate Research & Support, Inc. Clock pulse signal generator system
US4596954A (en) * 1984-02-29 1986-06-24 American Microsystems, Inc. Frequency doubler with fifty percent duty cycle output signal
FR2577087B1 (fr) * 1985-02-07 1987-03-06 Thomson Csf Mat Tel Dispositif de distribution d'horloge tripliquee, chaque signal d'horloge comportant un signal de synchronisation
US4977581A (en) * 1988-08-18 1990-12-11 Unisys Corporation Multiple frequency clock system
US4989175A (en) * 1988-11-25 1991-01-29 Unisys Corp. High speed on-chip clock phase generating system
US5077686A (en) * 1990-01-31 1991-12-31 Stardent Computer Clock generator for a computer system
US5079440A (en) * 1990-03-15 1992-01-07 Intel Corporation Apparatus for generating computer clock pulses
US5059818A (en) * 1990-06-01 1991-10-22 Advanced Micro Devices, Inc. Self-regulating clock generator
US5224129A (en) * 1990-10-31 1993-06-29 Tektronix, Inc. Method of synchronizing signals of a pulse generator
US5307381A (en) * 1991-12-27 1994-04-26 Intel Corporation Skew-free clock signal distribution network in a microprocessor
US5256994A (en) * 1992-09-21 1993-10-26 Intel Corporation Programmable secondary clock generator

Also Published As

Publication number Publication date
US5812832A (en) 1998-09-22
DE69402342T2 (de) 1997-07-10
JPH06252717A (ja) 1994-09-09
EP0608972B1 (en) 1997-04-02
EP0608972A1 (en) 1994-08-03
DE69402342D1 (de) 1997-05-07

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