EP1564748A3
Multi-port memory based on DRAM core
Abstract
A semiconductor memory device includes a plurality of N external ports, each of which receives commands, and an internal circuit which performs at least N access operations during a minimum interval of the commands that are input into one of the external ports.
Term
Term ended
Projected expiry passed 2 October 2021, 5 years ago.
- Priority
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- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US5659711A | Cites | United States of America | XA | Search report | 1 |
61 members in 7 offices
Priority claims29
| Document | Office | Kind | Date |
|---|---|---|---|
| 2000387891 | Japan | A | |
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| 2000398893 | Japan | A | |
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| 2000399052 | Japan | A | |
| 2000399052 | Japan | A | |
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| 2001034361 | Japan | A | |
| 2001034361 | Japan | A | |
| 2001034361 | Japan | – | |
| 2001037547 | Japan | A | |
| 2001037547 | Japan | A | |
| 2001037547 | Japan | – | |
| 01308424 | European Patent Office (EPO) | A | |
| 01308424 | European Patent Office (EPO) | A | |
| 01308424 | – | – | – |
| 2000387891 | – | – | – |
| 2000398893 | – | – | – |
| 2000399052 | – | – | – |
| 2001034361 | – | – | – |
| 2001037547 | – | – | – |
| EP20010308424 | – | – | – |
| JP20000387891 | – | – | – |
| JP20000398893 | – | – | – |
| JP20000399052 | – | – | – |
| JP20010034361 | – | – | – |
| JP20010037547 | – | – | – |
Members61
| Document | Office | Kind | |
|---|---|---|---|
| US2002078311A1 | United States of America | A1 | |
| KR20020050092A | Republic of Korea | A | |
| EP1220226A2 | European Patent Office (EPO) | A2 | |
| JP2002190197A | Japan | A | |
| JP2002197858A | Japan | A | |
| JP2002197864A | Japan | A | |
| CN1360314A | China | A | |
| JP2002237184A | Japan | A | |
| JP2002245776A | Japan | A | |
| EP1220226A3 | European Patent Office (EPO) | A3 | |
| TW526500B | Taiwan Province of China | B | |
| US2003135699A1 | United States of America | A1 | |
| JP2003272378A | Japan | A | |
| EP1220226B1 | European Patent Office (EPO) | B1 | |
| EP1564748A2 | European Patent Office (EPO) | A2 | |
| EP1564749A2 | European Patent Office (EPO) | A2 | |
| DE60112701D1 | Germany | D1 | |
| CN1734668A | China | A | |
| EP1564748A3This record | European Patent Office (EPO) | A3 | |
| EP1564749A3 | European Patent Office (EPO) | A3 | |
| DE60112701T2 | Germany | T2 | |
| CN1271636C | China | C | |
| CN1828766A | China | A | |
| CN1832028A | China | A | |
| US7120761B2 | United States of America | B2 | |
| US2006294322A1 | United States of America | A1 | |
| CN1905059A | China | A | |
| EP1808861A1 | European Patent Office (EPO) | A1 | |
| EP1564748B1 | European Patent Office (EPO) | B1 | |
| KR100801119B1 | Republic of Korea | B1 | |
| DE60132382D1 | Germany | D1 | |
| JP4116801B2 | Japan | B2 | |
| DE60132382T2 | Germany | T2 | |
| EP1564749B1 | European Patent Office (EPO) | B1 | |
| DE60136574D1 | Germany | D1 | |
| EP1564749B8 | European Patent Office (EPO) | B8 | |
| CN101452737A | China | A | |
| CN101477829A | China | A | |
| CN101477830A | China | A | |
| CN100530417C | China | C | |
| CN100530418C | China | C | |
| CN101582290A | China | A | |
| CN1734668B | China | B | |
| EP1808861B1 | European Patent Office (EPO) | B1 | |
| DE60142756D1 | Germany | D1 | |
| CN101582290B | China | B | |
| CN101452737B | China | B | |
| US7911825B2 | United States of America | B2 | |
| US2011141795A1 | United States of America | A1 | |
| JP4783501B2 | Japan | B2 | |
| CN1905059B | China | B | |
| JP4824180B2 | Japan | B2 | |
| CN101477829B | China | B | |
| JP4997663B2 | Japan | B2 | |
| JP5028710B2 | Japan | B2 | |
| JP5070656B2 | Japan | B2 | |
| US2013201751A1 | United States of America | A1 | |
| US2013205100A1 | United States of America | A1 | |
| US8547776B2 | United States of America | B2 | |
| US8687456B2 | United States of America | B2 | |
| US8717842B2 | United States of America | B2 |
33 legal events, as 4 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Change of applicant/patenteeR081 | R081 | DE | |
| Change of representativeR082 | R082 | DE | |
| Change of representativeR082 | R082 | DE | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Transmission of propertyTP | TP | FR | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Divisional application: reference to earlier applicationAC | AC | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deletedORIGINAL CODE: EPIDOSDIGR1GRAJ | GRAJ | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| Designation fees paidAKX | AKX | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Divisional application: reference to earlier applicationAC | AC | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 1564748
- Publication, DOCDB
- 1564748
- Publication, EPODOC
- EP1564748
- Application
- 5010995
- Application, DOCDB
- 05010995
- Application, EPODOC
- EP20050010995
Titles3
- German
- Multiportspeicher auf Basis von DRAM
- English
- Multi-port memory based on DRAM core
- French
- Mémoire multiportes basée sur une DRAM
Classification
- CPC, 13
- G11C7/1051
- G11C11/4096
- G11C7/1075
- G11C7/1078
- G11C7/22
- G11C8/16
- G11C11/406
- G11C11/40603
- G11C11/40615
- G11C11/40618
- G11C11/409
- G11C2207/107
- G11C7/1039
- IPC, 5
- G11C8 16
- G11C7 10
- G11C11 4096
- G11C7 22
- G11C11 409
Designated states1
- Contracting states, 1
- United Kingdom