JPS6419581A - Semiconductor memory device - Google Patents

Semiconductor memory device

Info

Publication number
JPS6419581A
JPS6419581A JP17665087A JP17665087A JPS6419581A JP S6419581 A JPS6419581 A JP S6419581A JP 17665087 A JP17665087 A JP 17665087A JP 17665087 A JP17665087 A JP 17665087A JP S6419581 A JPS6419581 A JP S6419581A
Authority
JP
Japan
Prior art keywords
write
address
dec
read
port
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP17665087A
Other languages
English (en)
Inventor
Makio Uchida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP17665087A priority Critical patent/JPS6419581A/ja
Publication of JPS6419581A publication Critical patent/JPS6419581A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Static Random-Access Memory (AREA)
  • Memory System (AREA)
  • Dram (AREA)
JP17665087A 1987-07-14 1987-07-14 Semiconductor memory device Pending JPS6419581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17665087A JPS6419581A (en) 1987-07-14 1987-07-14 Semiconductor memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17665087A JPS6419581A (en) 1987-07-14 1987-07-14 Semiconductor memory device

Publications (1)

Publication Number Publication Date
JPS6419581A true JPS6419581A (en) 1989-01-23

Family

ID=16017290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17665087A Pending JPS6419581A (en) 1987-07-14 1987-07-14 Semiconductor memory device

Country Status (1)

Country Link
JP (1) JPS6419581A (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03108186A (ja) * 1989-09-21 1991-05-08 Shogo Matsui 動的ダイナミックｒａｍリフレッシュ方法及び装置
JPH03219493A (ja) * 1989-11-21 1991-09-26 Matsushita Electric Ind Co Ltd 半導体記憶装置
JPH0485789A (ja) * 1990-07-27 1992-03-18 Nec Corp メモリ装置
EP0646927A1 (en) * 1993-10-05 1995-04-05 Advanced Micro Devices, Inc. Plural port memory system
KR100304742B1 (ko) * 1997-03-19 2001-09-24 니시무로 타이죠 동기식랜덤액세스메모리
KR100837272B1 (ko) * 2006-08-22 2008-06-11 삼성전자주식회사 플래시 메모리 장치의 블록 상태 저장 장치
JP2009238367A (ja) * 2002-09-12 2009-10-15 Panasonic Corp メモリ装置
JP2013157051A (ja) * 2012-01-30 2013-08-15 Renesas Electronics Corp 半導体装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03108186A (ja) * 1989-09-21 1991-05-08 Shogo Matsui 動的ダイナミックｒａｍリフレッシュ方法及び装置
JPH03219493A (ja) * 1989-11-21 1991-09-26 Matsushita Electric Ind Co Ltd 半導体記憶装置
JPH0485789A (ja) * 1990-07-27 1992-03-18 Nec Corp メモリ装置
EP0646927A1 (en) * 1993-10-05 1995-04-05 Advanced Micro Devices, Inc. Plural port memory system
KR100304742B1 (ko) * 1997-03-19 2001-09-24 니시무로 타이죠 동기식랜덤액세스메모리
JP2009238367A (ja) * 2002-09-12 2009-10-15 Panasonic Corp メモリ装置
KR100837272B1 (ko) * 2006-08-22 2008-06-11 삼성전자주식회사 플래시 메모리 장치의 블록 상태 저장 장치
JP2013157051A (ja) * 2012-01-30 2013-08-15 Renesas Electronics Corp 半導体装置
US9214222B2 (en) 2012-01-30 2015-12-15 Renesas Electronics Corporation Semiconductor device having timing control for read-write memory access operations

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