ATE557361T1 - Ausgangsstufe für den kommunikationsanschluss eines kontaktbehafteten datenträgers - Google Patents

Ausgangsstufe für den kommunikationsanschluss eines kontaktbehafteten datenträgers

Info

Publication number
ATE557361T1
ATE557361T1 AT01917120T AT01917120T ATE557361T1 AT E557361 T1 ATE557361 T1 AT E557361T1 AT 01917120 T AT01917120 T AT 01917120T AT 01917120 T AT01917120 T AT 01917120T AT E557361 T1 ATE557361 T1 AT E557361T1
Authority
AT
Austria
Prior art keywords
data carrier
terminal
transistor
communication
stage
Prior art date
Application number
AT01917120T
Other languages
English (en)
Inventor
Peter Thueringer
Peter Kompan
Klaus Ully
Stefan Posch
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE557361T1 publication Critical patent/ATE557361T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Near-Field Transmission Systems (AREA)
  • Credit Cards Or The Like (AREA)
AT01917120T 2000-04-04 2001-03-26 Ausgangsstufe für den kommunikationsanschluss eines kontaktbehafteten datenträgers ATE557361T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00890108 2000-04-04
PCT/EP2001/003447 WO2001075786A1 (en) 2000-04-04 2001-03-26 Output stage for a communication contact for a data carrier

Publications (1)

Publication Number Publication Date
ATE557361T1 true ATE557361T1 (de) 2012-05-15

Family

ID=8175923

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01917120T ATE557361T1 (de) 2000-04-04 2001-03-26 Ausgangsstufe für den kommunikationsanschluss eines kontaktbehafteten datenträgers

Country Status (6)

Country Link
US (1) US6581844B2 (de)
EP (1) EP1272973B1 (de)
JP (1) JP2003529986A (de)
CN (1) CN1183484C (de)
AT (1) ATE557361T1 (de)
WO (1) WO2001075786A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1180376C (zh) * 2000-04-04 2004-12-15 皇家菲利浦电子有限公司 具有芯片的数据载体——芯片包括为数据载体的另一个部件提供可控制电源电压的装置
ATE316270T1 (de) * 2001-08-08 2006-02-15 Koninkl Philips Electronics Nv Datenträger mit einer aktiven signalverarbeitungsschaltung und einer passiven signalverarbeitungsschaltung
US7113547B2 (en) * 2001-08-24 2006-09-26 Matsushita Electric Industrial Co., Ltd. Data communication system, controller device and data communication method
US6780653B2 (en) 2002-06-06 2004-08-24 Micron Technology, Inc. Methods of forming magnetoresistive memory device assemblies
JP2005327104A (ja) * 2004-05-14 2005-11-24 Oki Electric Ind Co Ltd 非接触データキャリア、質問器、非接触データキャリアシステム、非接触データキャリアのデータ取得方法、及び、非接触データキャリアのデータ取得用プログラム
EP2019996A1 (de) * 2006-05-10 2009-02-04 Nxp B.V. Sensor mit einer schaltungs anordnung
US8334705B1 (en) 2011-10-27 2012-12-18 Certicom Corp. Analog circuitry to conceal activity of logic circuitry
US8635467B2 (en) 2011-10-27 2014-01-21 Certicom Corp. Integrated circuit with logic circuitry and multiple concealing circuits

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617976B1 (fr) * 1987-07-10 1989-11-10 Thomson Semiconducteurs Detecteur electrique de niveau logique binaire
FR2638869B1 (fr) * 1988-11-10 1990-12-21 Sgs Thomson Microelectronics Dispositif de securite contre la detection non autorisee de donnees protegees
DE19505097C1 (de) * 1995-02-15 1996-06-05 Siemens Ag Verschlüsselungsvorrichtung
DE59611049D1 (de) 1995-06-02 2004-09-09 Koninkl Philips Electronics Nv Chipkarte
CA2171052C (en) * 1995-09-29 2001-05-15 Pmc-Sierra Ltd. A tristatable output driver for use with 3.3 or 5 volt cmos logic
US5847447A (en) * 1996-07-09 1998-12-08 Ambient Corporation Capcitively coupled bi-directional data and power transmission system
US6064740A (en) * 1997-11-12 2000-05-16 Curiger; Andreas Method and apparatus for masking modulo exponentiation calculations in an integrated circuit
DE19752695A1 (de) * 1997-11-28 1999-06-02 Angewandte Digital Elektronik Elektronisches Schaltelement zur Sperrung von elektronischen Teilen in einer Chipkarte
US6327661B1 (en) * 1998-06-03 2001-12-04 Cryptography Research, Inc. Using unpredictable information to minimize leakage from smartcards and other cryptosystems
FR2776410B1 (fr) * 1998-03-20 2002-11-15 Gemplus Card Int Dispositifs pour masquer les operations effectuees dans une carte a microprocesseur
JP2002519722A (ja) * 1998-06-03 2002-07-02 クリプターグラフィー リサーチ インコーポレイテッド スマートカードおよび他の暗号システム用の、漏洩を最小に抑える、改良ｄｅｓおよび他の暗号プロセス
US5998978A (en) * 1998-06-29 1999-12-07 Motorola, Inc. Apparatus and method for reducing energy fluctuations in a portable data device
US6298135B1 (en) * 1999-04-29 2001-10-02 Motorola, Inc. Method of preventing power analysis attacks on microelectronic assemblies
US6419159B1 (en) * 1999-06-14 2002-07-16 Microsoft Corporation Integrated circuit device with power analysis protection circuitry
US6308256B1 (en) * 1999-08-18 2001-10-23 Sun Microsystems, Inc. Secure execution of program instructions provided by network interactions with processor

Also Published As

Publication number Publication date
WO2001075786A1 (en) 2001-10-11
US6581844B2 (en) 2003-06-24
EP1272973A1 (de) 2003-01-08
EP1272973B1 (de) 2012-05-09
US20020014536A1 (en) 2002-02-07
CN1381021A (zh) 2002-11-20
JP2003529986A (ja) 2003-10-07
CN1183484C (zh) 2005-01-05

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