TW200304142A - Memory device array having a pair of magnetic bits sharing a common conductor line - Google Patents
Memory device array having a pair of magnetic bits sharing a common conductor line Download PDFInfo
- Publication number
- TW200304142A TW200304142A TW091134207A TW91134207A TW200304142A TW 200304142 A TW200304142 A TW 200304142A TW 091134207 A TW091134207 A TW 091134207A TW 91134207 A TW91134207 A TW 91134207A TW 200304142 A TW200304142 A TW 200304142A
- Authority
- TW
- Taiwan
- Prior art keywords
- memory cell
- plane
- array
- memory
- word line
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title description 44
- 239000004020 conductor Substances 0.000 title description 38
- 230000015654 memory Effects 0.000 claims abstract description 157
- 238000013500 data storage Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 230000003071 parasitic effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 12
- 230000005641 tunneling Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000005415 magnetization Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000005055 memory storage Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 101100004286 Caenorhabditis elegans best-5 gene Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001247287 Pentalinon luteum Species 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- FQMNUIZEFUVPNU-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co] FQMNUIZEFUVPNU-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital 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
- G11C11/165—Auxiliary circuits
- G11C11/1653—Address circuits or decoders
- G11C11/1657—Word-line or row circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital 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
- G11C11/165—Auxiliary circuits
- G11C11/1659—Cell access
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital 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
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/10—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having two electrodes, e.g. diodes or MIM elements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/098,903 US6778421B2 (en) | 2002-03-14 | 2002-03-14 | Memory device array having a pair of magnetic bits sharing a common conductor line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200304142A true TW200304142A (en) | 2003-09-16 |
Family
ID=27765436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW091134207A TW200304142A (en) | 2002-03-14 | 2002-11-25 | Memory device array having a pair of magnetic bits sharing a common conductor line |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6778421B2 (enExample) |
| EP (1) | EP1345232A3 (enExample) |
| JP (1) | JP4700259B2 (enExample) |
| KR (1) | KR101010321B1 (enExample) |
| CN (1) | CN100481551C (enExample) |
| TW (1) | TW200304142A (enExample) |
Families Citing this family (105)
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2002
- 2002-03-14 US US10/098,903 patent/US6778421B2/en not_active Expired - Lifetime
- 2002-11-25 TW TW091134207A patent/TW200304142A/zh unknown
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- 2003-03-13 KR KR1020030015743A patent/KR101010321B1/ko not_active Expired - Fee Related
- 2003-03-14 CN CNB031199720A patent/CN100481551C/zh not_active Expired - Lifetime
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- 2003-10-24 US US10/692,617 patent/US6879508B2/en not_active Expired - Lifetime
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| US6778421B2 (en) | 2004-08-17 |
| EP1345232A3 (en) | 2004-07-28 |
| US6879508B2 (en) | 2005-04-12 |
| US20040090809A1 (en) | 2004-05-13 |
| CN1445782A (zh) | 2003-10-01 |
| KR101010321B1 (ko) | 2011-01-25 |
| US20030174530A1 (en) | 2003-09-18 |
| JP4700259B2 (ja) | 2011-06-15 |
| EP1345232A2 (en) | 2003-09-17 |
| JP2004031914A (ja) | 2004-01-29 |
| KR20030074423A (ko) | 2003-09-19 |
| CN100481551C (zh) | 2009-04-22 |
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