EP1105968A4 - Current-controlled output buffer - Google Patents

Current-controlled output buffer

Info

Publication number
EP1105968A4
EP1105968A4 EP99930294A EP99930294A EP1105968A4 EP 1105968 A4 EP1105968 A4 EP 1105968A4 EP 99930294 A EP99930294 A EP 99930294A EP 99930294 A EP99930294 A EP 99930294A EP 1105968 A4 EP1105968 A4 EP 1105968A4
Authority
EP
European Patent Office
Prior art keywords
current
output buffer
controlled output
controlled
buffer
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.)
Withdrawn
Application number
EP99930294A
Other languages
German (de)
French (fr)
Other versions
EP1105968A1 (en
Inventor
Ismail H Ozguc
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.)
International Microcircuits Inc
Original Assignee
International Microcircuits 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
Priority claimed from US09/097,605 external-priority patent/US6130541A/en
Priority claimed from US09/097,886 external-priority patent/US6037811A/en
Application filed by International Microcircuits Inc filed Critical International Microcircuits Inc
Publication of EP1105968A1 publication Critical patent/EP1105968A1/en
Publication of EP1105968A4 publication Critical patent/EP1105968A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
    • H03K17/162—Modifications for eliminating interference voltages or currents in field-effect transistor switches without feedback from the output circuit to the control circuit
    • H03K17/163—Soft switching
    • 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
    • H03K19/0005—Modifications of input or output impedance
    • 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
    • H03K19/00346—Modifications for eliminating interference or parasitic voltages or currents
    • H03K19/00361—Modifications for eliminating interference or parasitic voltages or currents in field effect transistor circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
EP99930294A 1998-06-15 1999-06-15 Current-controlled output buffer Withdrawn EP1105968A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US97605 1979-11-27
US97886 1998-06-15
US09/097,605 US6130541A (en) 1997-10-10 1998-06-15 Adaptive driver with capacitive load sensing and method of operation
US09/097,886 US6037811A (en) 1997-10-10 1998-06-15 Current-controlled output buffer
PCT/US1999/013529 WO1999066639A1 (en) 1998-06-15 1999-06-15 Current-controlled output buffer

Publications (2)

Publication Number Publication Date
EP1105968A1 EP1105968A1 (en) 2001-06-13
EP1105968A4 true EP1105968A4 (en) 2005-06-15

Family

ID=26793468

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99930293A Expired - Lifetime EP1097386B1 (en) 1998-06-15 1999-06-15 Adaptive driver with capacitive load sensing and method of operation
EP99930294A Withdrawn EP1105968A4 (en) 1998-06-15 1999-06-15 Current-controlled output buffer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99930293A Expired - Lifetime EP1097386B1 (en) 1998-06-15 1999-06-15 Adaptive driver with capacitive load sensing and method of operation

Country Status (3)

Country Link
EP (2) EP1097386B1 (en)
DE (1) DE69935226T2 (en)
WO (2) WO1999066336A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142679A1 (en) * 2001-08-31 2003-04-03 Infineon Technologies Ag driver circuit
DE10244429B4 (en) * 2001-09-24 2008-08-28 Hynix Semiconductor Inc., Ichon Semiconductor memory device with adaptive output driver

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185538A (en) * 1990-06-13 1993-02-09 Mitsubishi Denki Kabushiki Kaisha Output circuit for semiconductor integrated circuits having controllable load drive capability and operating method thereof
US5329177A (en) * 1992-04-27 1994-07-12 Nec Corporation Output circuit including current mirror circuits
US5451861A (en) * 1992-10-08 1995-09-19 Deutsche Itt Industries Gmbh Method of setting the output current of a monolithic integrated pad driver
EP0684699A1 (en) * 1994-05-25 1995-11-29 STMicroelectronics S.r.l. Slew rate control and optimization of power consumption in a power stage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634894A (en) * 1985-03-04 1987-01-06 Advanced Micro Devices, Inc. Low power CMOS reference generator with low impedance driver
US4873673A (en) * 1986-12-03 1989-10-10 Hitachi, Ltd. Driver circuit having a current mirror circuit
US4829199A (en) * 1987-07-13 1989-05-09 Ncr Corporation Driver circuit providing load and time adaptive current
JPH04154212A (en) * 1990-10-17 1992-05-27 Mitsubishi Electric Corp Output circuit for semiconductor memory device
JP3251661B2 (en) * 1991-10-15 2002-01-28 テキサス インスツルメンツ インコーポレイテツド CMOS buffer circuit with controlled slew rate
US5677639A (en) * 1994-12-08 1997-10-14 Seagate Technology, Inc. Autonomous selection of output buffer characteristics as determined by load matching
TW307060B (en) * 1996-02-15 1997-06-01 Advanced Micro Devices Inc CMOS current mirror
US5886554A (en) * 1996-03-08 1999-03-23 Texas Instruments Incorporated Slew-rate limited differential driver with improved skew control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185538A (en) * 1990-06-13 1993-02-09 Mitsubishi Denki Kabushiki Kaisha Output circuit for semiconductor integrated circuits having controllable load drive capability and operating method thereof
US5329177A (en) * 1992-04-27 1994-07-12 Nec Corporation Output circuit including current mirror circuits
US5451861A (en) * 1992-10-08 1995-09-19 Deutsche Itt Industries Gmbh Method of setting the output current of a monolithic integrated pad driver
EP0684699A1 (en) * 1994-05-25 1995-11-29 STMicroelectronics S.r.l. Slew rate control and optimization of power consumption in a power stage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9966639A1 *

Also Published As

Publication number Publication date
EP1097386A4 (en) 2001-09-12
EP1097386A1 (en) 2001-05-09
EP1097386B1 (en) 2007-02-21
WO1999066336A1 (en) 1999-12-23
DE69935226D1 (en) 2007-04-05
EP1105968A1 (en) 2001-06-13
WO1999066639A1 (en) 1999-12-23
DE69935226T2 (en) 2008-01-03

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010115

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE GB

A4 Supplementary search report drawn up and despatched

Effective date: 20050429

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100105