KR20160086507A - PoP 구조의 반도체 패키지 및 그에 따른 리프레쉬 제어방법 - Google Patents
PoP 구조의 반도체 패키지 및 그에 따른 리프레쉬 제어방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 실시 예에 따라 도 1에 탑재되는 써멀 센서들의 배치 개념을 설명하기 위한 도면이다.
도 3은 도 1에 따른 PoP 구조의 반도체 패키지의 회로 블록도이다.
도 4는 도 3의 동작에 따라 운영되는 어드레스 맵핑 테이블의 예시도이다.
도 5는 도 3의 동작에 따른 핫 데이터 컬렉션을 예시적으로 설명하기 위해 제시된 도면이다.
도 6은 도 3중 DRAM의 리프레쉬 동작을 설명하기 위해 제시된 회로 블록도이다.
도 7은 도 3중 어플리케이션 프로세서의 리프레쉬 제어 플로우챠트이다.
도 8은 본 발명의 또 다른 실시 예에 따라 DRAM에 탑재되는 써멀 센서들의 배치 개념을 설명하기 위한 도면이다.
도 9는 도 1에 따른 PoP 구조의 반도체 패키지를 보다 상세하게 나타내는 도면이다.
도 10은 본 발명의 또 다른 실시 예에 따른 PoP 구조의 반도체 패키지를 나타내는 도면이다.
도 11은 본 발명의 또 다른 실시 예에 따른 PoP 구조의 반도체 패키지를 나타내는 도면이다.
도 12는 도 9에 따른 칩 패드 배치를 보여주는 평면도이다.
도 13은 도 9에 따른 DDR IP 코어 배치를 보여주는 평면도이다.
도 14는 도 9에 따른 개략적 배치 평면도이다.
도 15는 도 3중 DRAM의 예시적 회로 블록도이다.
도 16은 전자기기에 적용된 본 발명의 응용 예를 도시한 블록도이다.
도 17은 휴대용 멀티미디어 기기에 적용된 본 발명의 응용 예를 도시한 블록도이다.
50: 써멀 센싱회로
121: 어플리케이션 프로세서
221: 다이나믹 랜덤 억세스 메모리
1000: PoP 구조의 반도체 패키지
Claims (10)
- 제1 기판에 실장된 제1 반도체 칩을 포함하는 제1 패키지와 제2 기판에 실장된 제2 반도체 칩을 포함하는 제2 패키지를 구비한 PoP 구조의 반도체 패키지를 제공하고;
상기 제1 반도체 칩이 동작될 때 상기 제1 반도체 칩의 설정된 센싱 영역들별로 온도를 모니터링하고;
상기 센싱 영역들 중에서 가장 낮은 온도를 갖는 영역에 대응되는 상기 제2 반도체 칩의 적어도 하나의 메모리 뱅크를 결정하고;
상기 결정된 메모리 뱅크 이외의 메모리 뱅크에 저장된 데이터가 상기 결정된 메모리 뱅크로 이동되도록 상기 제2 반도체 칩을 제어하고;
상기 결정된 메모리 뱅크에 대한 리프레쉬 동작 주기가 상기 결정된 메모리 뱅크 이외의 메모리 뱅크에 대한 리프레쉬 동작 주기보다 증가되도록 상기 제2 반도체 칩의 리프레쉬 동작을 제어하는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 온도를 모니터링하기 위해 이용되는 써멀 센서는 상기 제1 기판과 상기 제1 반도체 칩 사이에 복수로 배치되는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 온도를 모니터링하기 위해 이용되는 써멀 센서는 상기 제1 반도체 칩과 상기 제2 기판 사이에서 상기 설정된 센싱 영역들의 개수에 따라 배치되는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 제1 반도체 칩이 로직 칩인 경우에 상기 제2 반도체 칩은 DRAM 칩인 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 제1 반도체 칩이 어플리케이션 프로세서인 경우에 상기 제2 반도체 칩은 적어도 2층 이상 적층된 모바일용 DRAM 칩인 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 제1 반도체 칩이 시스템 온 칩으로 구현된 어플리케이션 프로세서인 경우에 상기 제2 반도체 칩은 실리콘 관통 전극(TSV)을 이용한 멀티칩 패키지(MCP)구조를 갖는 DDR4 DRAM 칩인 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 결정된 메모리 뱅크 이외의 메모리 뱅크중에서 데이터 엠프티 뱅크가 존재할 경우에 데이터 엠프티 뱅크에 대해서는 리프레쉬 동작이 수행되지 않도록 상기 제2 반도체 칩을 제어하는 단계를 더 포함하는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 결정된 메모리 뱅크 이외의 메모리 뱅크에 저장된 데이터가 상기 결정된 메모리 뱅크로 이동되도록 상기 제2 반도체 칩을 제어할 경우에 데이터 이동 경로를 나타내기 위한 어드레스 맵핑 테이블이 운영되는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 어드레스 맵핑 테이블은 상기 제1 반도체 칩 내의 불휘발성 저장 영역에 저장되고 상기 제1 반도체 칩에 로딩된 소프트웨어에 의해 관리되는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
- 제1항에 있어서, 상기 제1 반도체 칩의 설정된 센싱 영역들별로 온도를 모니터링하는 것은 미리 설정된 모니터링 주기마다 수행되는 PoP 구조의 반도체 패키지에서의 리프레쉬 제어방법.
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