KR20060130084A - 호스트 이용 특징 기반의 플래시 메모리 어드레스 매핑의적응형 모드 스위칭 - Google Patents
호스트 이용 특징 기반의 플래시 메모리 어드레스 매핑의적응형 모드 스위칭 Download PDFInfo
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Claims (13)
- 비-휘발성 메모리 시스템에 있어서, 적어도 두 개의 서브-어레이로 분할된 비-휘발성 메모리 셀의 어레이를 포함하고, 데이터가 적어도 두 개 서브-어레이의 각각에 동시에 액세스 가능하고, 데이터가 적어도 제1 및 제2의 상이한 삽입 장치를 구비한 상기 적어도 두 개의 서브-어레이 내에 저장되는, 비-휘발성 메모리 시스템.
- 제 1항에 있어서, 적어도 두 개의 서브-어레이의 각각에 동시에 액세스 가능한 상기 데이터는 데이터의 섹터들을 포함하고, 적어도 두 개의 서브-어레이 내에 저장된 데이터의 섹터가:상기 제1 삽입 장치에 따라 상기 서브-어레이를 넘어 삽입된 제1 세트의 인접 논리적인 어드레스에 의해 식별된 적어도 하나의 제1 세트의 데이터 섹터와,상기 제2 삽입 장치에 따라 적어도 두 개의 상기 서브-어레이 중에 하나 이내에 삽입된 제2 세트의 인접 논리적인 어드레스에 의해 식별된 적어도 하나의 제2 세트의 데이터 섹터를 포함하는 비-휘발성 메모리 시스템.
- 제 2항에 있어서, 상기 저장된 데이터의 섹터의 삽입의 정도의 표시가 역시 저장되는 것을 특징으로 하는, 비-휘발성 메모리 시스템.
- 제 3항에 있어서, 상기 삽입된 정도의 표시가, 그것이 포함되는 저장된 데이터의 섹터 이내에 오버헤드로 저장되는, 비-휘발성 메모리 시스템.
- 제 3항에 있어서,상기 삽입의 정도의 표시가 그것이 포함되는 저장된 데이터의 섹터로부터 분리된 섹터에 저장되는, 비-휘발성 메모리 시스템.
- 다수의 메모리 셀 서브-어레이를 개별적으로 블록에 논리적으로 연결하는 비-휘발성 메모리 시스템의 작동 방법.
- 유닛의 데이터를 프로그램하고 병렬로 데이터를 판독하도록 동시에 액세스 가능한 다수의 메모리 셀 서브-어레이를 갖고, 개별 서브-어레이가 동시에 소거 가능한 최소 수의 메모리 셀로 이루어진 블록으로 분할되는 비-휘발성 메모리에 있어서, 메모리의 작동 방법은;연속적인 논리적 어드레스를 갖고 다수의 서브-어레이의 각각에 한 블록의 전체 데이터 저장 용량보다 작은 명시된 수의 유닛 데이터를 메모리로 프로그램하는 명령을 수신하는 단계와,프로그램될 명시된 수의 유닛 데이터를 수신하는 단계와, 및서브-어레이의 각각에 한 블록의 전체 데이터 저장 용량에 대해 프로그램되고 있는 명시된 수의 유닛의 데이터에 따라, 하나 이상의 다수의 메모리 셀 서브-어레이의 블록 상에 차례로 배열된 연속적인 논리적 어드레스를 갖는 수신된 유닛 이 데이터를 프로그램하는 단계를 포함하는, 메모리의 작동 방법.
- 제1 등급의 일치와 제2 등급의 일치 중에 적어도 하나로 기록되고 판독되고 있는 데이터를 갖는 메모리를 동작하는 단계와,수신된 기록 요청 중에 적어도 하나의 특징에 응답하여, 상기 제1 및 제2 등급의 일치 중 적어도 하나로 수신된 기록 요청들 중에 개별 요청을 수반하는 데이터를 기록하는 단계를 포함하는, 비-휘발성 메모리 시스템의 작동 방법.
- 제8항에 있어서, 상기 적어도 하나의 특징은 기록 요청을 수신한 데이터가 메모리에 기록되도록 하는 것인, 비-휘발성 메모리 시스템의 작동 방법.
- 독립적으로 액세스 가능한 복수의 블록의 플레인과, 데이터 프로그래밍과 판독의 단위인 페이지와, 소거의 단위인 블록으로 배열된 비-휘발성 메모리 셀의 어레이를 갖는 플래시 메모리 시스템에 있어서, 메모리 동작 방법은;다수의 플레인에서 블록을 개별적으로 포함하는 메타블록을 논리적으로 형성하는 단계와,변하는 데이터를 갖는 기록 명령을 연속으로 수신하는 단계와, 및호스트 기록 명령의 변하는 특징에 응답하여, 메타블록들 중 하나의 두 개 이상의 블록 내에 페이지에 병렬로 혹은 플레인들 중 하나의 개별 블록 내에 페이지로 직렬로 혹은 병렬로 수신된 데이터를 여러 가지로 기록하는 단계를 포함하는 메모리 동작 방법.
- 제 10항에 있어서, 상기 데이터가 병렬로 기록되고 있는 블록을 식별하는 수신된 데이터로서의 표시를 동시에 기록하는 단계를 더 포함하는, 메모리 동작 방법.
- 소거 가능한 셀로 이루어진 블록으로 구성되고 다수의 유닛의 데이터를 개별적으로 저장하는 메모리 셀 어레이를 구비한 비-휘발성 메모리 시스템에서, 직렬로 수신되고 있는 표시된 하나 이상의 유닛의 데이터에 의해 수반되고, 기록될 하나 이상의 유닛의 데이터의 논리적인 어드레스를 개별적으로 나타내는 일련의 기록 명령에 응답하는 방법은;병렬로 상기 수반하는 한 이상의 유닛의 데이터를 기록하도록 허용하는, 메모리의 하나 이상의 블록 내에서 개별 기록 명령의 논리적 어드레스를 물리적 어드레스로 변환하는 단계를 포함하고, 수신된 일련의 기록 명령중 적어도 하나에 의해 명시된 데이터의 유닛의 수의 기능으로서 상기 하나 이상의 유닛의 데이터를 수신하도록 다수의 하나 이상의 블록이 선택되고, 상기 수신된 일련의 기록 명령에 의해 명시된 데이터의 유닛의 수가 변하고, 및상기 선택된 한 이상의 유닛의 데이터를 상기 한 이상의 블록으로 병렬로 기록하는 단계를 포함하는, 기록 명령에 응답하는 방법.
- 메모리 셀로 이루어진 비-휘발성 메모리 어레이를 작동하는 방법에 있어서,제 삽입 장치의 저장에 의한 적정 성능 특징을 내는 제1 삽입 장치에 저장된 데이터의 적어도 일부를 갱신하는 명령을 수신하여,제1 및 제2의 상이한 삽입 장치에 데이터를 저장하는 단계와,제1 삽입 장치에 저장된 데이터를 판독하는 단계, 및제1 및 제2 삽입 장치를 구비한 메모리 어레이에 판독 데이터와 갱신 데이터를 기록하는 단계를 포함하는 비-휘발성 메모리 어레이 작동 방법.
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US10/750,190 US7631138B2 (en) | 2003-12-30 | 2003-12-30 | Adaptive mode switching of flash memory address mapping based on host usage characteristics |
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EP (1) | EP1700221B1 (ko) |
JP (1) | JP5001011B2 (ko) |
KR (1) | KR101014599B1 (ko) |
CN (1) | CN1918552B (ko) |
AT (1) | ATE554448T1 (ko) |
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EP1700221B1 (en) | 2012-04-18 |
US20100049908A1 (en) | 2010-02-25 |
US7631138B2 (en) | 2009-12-08 |
CN1918552B (zh) | 2012-05-30 |
ATE554448T1 (de) | 2012-05-15 |
CN1918552A (zh) | 2007-02-21 |
TWI303365B (en) | 2008-11-21 |
TW200535608A (en) | 2005-11-01 |
WO2005066794A3 (en) | 2005-11-10 |
WO2005066794A2 (en) | 2005-07-21 |
KR101014599B1 (ko) | 2011-02-16 |
JP5001011B2 (ja) | 2012-08-15 |
EP1700221A2 (en) | 2006-09-13 |
US20050144361A1 (en) | 2005-06-30 |
US8301826B2 (en) | 2012-10-30 |
JP2007517320A (ja) | 2007-06-28 |
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