ATE515770T1 - Hardwaresicherheitseinrichtung für magnetspeicherzellen - Google Patents

Hardwaresicherheitseinrichtung für magnetspeicherzellen

Info

Publication number
ATE515770T1
ATE515770T1 AT03813278T AT03813278T ATE515770T1 AT E515770 T1 ATE515770 T1 AT E515770T1 AT 03813278 T AT03813278 T AT 03813278T AT 03813278 T AT03813278 T AT 03813278T AT E515770 T1 ATE515770 T1 AT E515770T1
Authority
AT
Austria
Prior art keywords
mram
memory cells
security device
magnetic memory
magnetic elements
Prior art date
Application number
AT03813278T
Other languages
English (en)
Inventor
Kars-Michiel Lenssen
Adrianus Denissen
Nicolaas Lambert
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 ATE515770T1 publication Critical patent/ATE515770T1/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/57Protection from inspection, reverse engineering or tampering
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/161Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165Auxiliary circuits
    • G11C11/1659Cell access
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165Auxiliary circuits
    • G11C11/1675Writing or programming circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165Auxiliary circuits
    • G11C11/1695Protection circuits or methods
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Storage Device Security (AREA)
  • Semiconductor Memories (AREA)
AT03813278T 2002-12-18 2003-12-15 Hardwaresicherheitseinrichtung für magnetspeicherzellen ATE515770T1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US43482902P 2002-12-18 2002-12-18
US43452002P 2002-12-18 2002-12-18
US43998603P 2003-01-14 2003-01-14
EP03100403 2003-02-20
PCT/IB2003/005999 WO2004055823A2 (en) 2002-12-18 2003-12-15 Hardware security device for magnetic memory cells

Publications (1)

Publication Number Publication Date
ATE515770T1 true ATE515770T1 (de) 2011-07-15

Family

ID=44257215

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03813278T ATE515770T1 (de) 2002-12-18 2003-12-15 Hardwaresicherheitseinrichtung für magnetspeicherzellen

Country Status (6)

Country Link
EP (1) EP1576615B1 (de)
JP (1) JP2006512779A (de)
AT (1) ATE515770T1 (de)
AU (1) AU2003302985A1 (de)
TW (1) TW200423125A (de)
WO (1) WO2004055823A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7279012B2 (ja) * 2018-02-26 2023-05-22 ソニーセミコンダクタソリューションズ株式会社 半導体記憶装置及び電子機器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266479A (ja) 1988-08-31 1990-03-06 Nec Corp 磁気抵抗効果素子
US7005733B2 (en) * 1999-12-30 2006-02-28 Koemmerling Oliver Anti tamper encapsulation for an integrated circuit

Also Published As

Publication number Publication date
EP1576615A2 (de) 2005-09-21
TW200423125A (en) 2004-11-01
AU2003302985A1 (en) 2004-07-09
WO2004055823A3 (en) 2005-04-14
AU2003302985A8 (en) 2004-07-09
JP2006512779A (ja) 2006-04-13
WO2004055823A2 (en) 2004-07-01
EP1576615B1 (de) 2011-07-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties