JP2007522579A - 不揮発性記憶ステージを備えたfifoメモリ装置 - Google Patents
不揮発性記憶ステージを備えたfifoメモリ装置 Download PDFInfo
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- JP2007522579A JP2007522579A JP2006552746A JP2006552746A JP2007522579A JP 2007522579 A JP2007522579 A JP 2007522579A JP 2006552746 A JP2006552746 A JP 2006552746A JP 2006552746 A JP2006552746 A JP 2006552746A JP 2007522579 A JP2007522579 A JP 2007522579A
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- Prior art keywords
- fifo
- stage
- memory device
- data
- fifo memory
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/04—Arrangements for selecting an address in a digital store using a sequential addressing device, e.g. shift register, counter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/06—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor
- G06F5/10—Methods or arrangements for data conversion without changing the order or content of the data handled for changing the speed of data flow, i.e. speed regularising or timing, e.g. delay lines, FIFO buffers; over- or underrun control therefor having a sequence of storage locations each being individually accessible for both enqueue and dequeue operations, e.g. using random access memory
- G06F5/12—Means for monitoring the fill level; Means for resolving contention, i.e. conflicts between simultaneous enqueue and dequeue operations
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dram (AREA)
- Information Transfer Systems (AREA)
- Communication Control (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Abstract
Description
としない。揮発性メモリ315のリフレッシュを省略することができるのは、揮発性FIFO315にデータが存在する時間(せいぜい数10ns)は揮発性FIFOセルの保持時間よりも相当短いからである。したがって、リフレッシュ動作のための追加の回路は必要とせず、さらに装置のサイズ及びコストを減らすことができる。
Claims (7)
- 記憶ステージ及び入力ステージを有するFIFOメモリ装置であって、前記記憶ステージは、複数の不揮発性記憶部を有し、前記入力ステージは、複数の揮発性記憶部を有する、装置。
- 請求項1に記載のFIFOメモリ装置であって、前記記憶ステージは、不揮発性FIFOメモリ装置である、装置。
- 請求項1又は2に記載のFIFOメモリ装置であって、前記入力ステージは、揮発性FIFOメモリ装置を有する、装置。
- 請求項1,2又は3に記載のFIFOメモリ装置であって、前記入力ステージ及び/又は記憶ステージの状態を監視する手段をさらに有する装置。
- 請求項4に記載のFIFOメモリ装置であって、前記監視する手段は、エンプティ空間の数を示すカウンタを含む、装置。
- 請求項1ないし5のうちいずれか1つに記載のFIFOメモリ装置であって、前記入力ステージ及び記憶ステージは、直列接続されている、装置。
- 請求項1ないし6のうちいずれか1つに記載のメモリ装置を少なくとも1つ有する集積回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04100526 | 2004-02-12 | ||
PCT/IB2005/050489 WO2005078572A1 (en) | 2004-02-12 | 2005-02-08 | A fifo memory device with non-volatile storage stage |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007522579A true JP2007522579A (ja) | 2007-08-09 |
JP4576391B2 JP4576391B2 (ja) | 2010-11-04 |
Family
ID=34854686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006552746A Active JP4576391B2 (ja) | 2004-02-12 | 2005-02-08 | 不揮発性記憶ステージを備えたfifoメモリ装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7489567B2 (ja) |
EP (1) | EP1714210B1 (ja) |
JP (1) | JP4576391B2 (ja) |
KR (1) | KR20070003923A (ja) |
CN (1) | CN1918541A (ja) |
AT (1) | ATE447209T1 (ja) |
DE (1) | DE602005017360D1 (ja) |
WO (1) | WO2005078572A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012198837A (ja) * | 2011-03-23 | 2012-10-18 | Hitachi Information & Communication Engineering Ltd | 入退管理制御装置、及び入退管理システム |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060031565A1 (en) * | 2004-07-16 | 2006-02-09 | Sundar Iyer | High speed packet-buffering system |
KR100859989B1 (ko) | 2006-11-21 | 2008-09-25 | 한양대학교 산학협력단 | 플래시 메모리의 공간정보 관리장치 및 그 방법 |
US8122168B2 (en) * | 2007-05-17 | 2012-02-21 | International Business Machines Corporation | Method for implementing concurrent producer-consumer buffers |
CN103575273A (zh) * | 2013-03-25 | 2014-02-12 | 西安电子科技大学 | 具有双缓存结构的光子脉冲到达时间读出装置 |
US10372413B2 (en) | 2016-09-18 | 2019-08-06 | International Business Machines Corporation | First-in-first-out buffer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04290150A (ja) * | 1990-11-30 | 1992-10-14 | Internatl Business Mach Corp <Ibm> | Fifoバッファの制御装置及び制御方法並びにデータ転送を制御する装置 |
US5353248A (en) * | 1992-04-14 | 1994-10-04 | Altera Corporation | EEPROM-backed FIFO memory |
JPH07319758A (ja) * | 1994-05-17 | 1995-12-08 | Goldstar Electron Co Ltd | 先入先出メモリのデータ入出力状態検出回路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH083956B2 (ja) * | 1986-09-18 | 1996-01-17 | 日本テキサス・インスツルメンツ株式会社 | 半導体記憶装置 |
GB2276739A (en) * | 1993-03-30 | 1994-10-05 | Ibm | System for storing persistent and non-persistent queued data. |
DE19650993A1 (de) * | 1996-11-26 | 1998-05-28 | Francotyp Postalia Gmbh | Anordnung und Verfahren zur Verbesserung der Datensicherheit mittels Ringpuffer |
US6678201B2 (en) * | 2002-04-08 | 2004-01-13 | Micron Technology, Inc. | Distributed FIFO in synchronous memory |
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2005
- 2005-02-08 CN CNA2005800046697A patent/CN1918541A/zh active Pending
- 2005-02-08 AT AT05702914T patent/ATE447209T1/de not_active IP Right Cessation
- 2005-02-08 EP EP05702914A patent/EP1714210B1/en active Active
- 2005-02-08 KR KR1020067018560A patent/KR20070003923A/ko active IP Right Grant
- 2005-02-08 US US10/589,114 patent/US7489567B2/en active Active
- 2005-02-08 WO PCT/IB2005/050489 patent/WO2005078572A1/en active Application Filing
- 2005-02-08 DE DE602005017360T patent/DE602005017360D1/de active Active
- 2005-02-08 JP JP2006552746A patent/JP4576391B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04290150A (ja) * | 1990-11-30 | 1992-10-14 | Internatl Business Mach Corp <Ibm> | Fifoバッファの制御装置及び制御方法並びにデータ転送を制御する装置 |
US5353248A (en) * | 1992-04-14 | 1994-10-04 | Altera Corporation | EEPROM-backed FIFO memory |
JPH07319758A (ja) * | 1994-05-17 | 1995-12-08 | Goldstar Electron Co Ltd | 先入先出メモリのデータ入出力状態検出回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012198837A (ja) * | 2011-03-23 | 2012-10-18 | Hitachi Information & Communication Engineering Ltd | 入退管理制御装置、及び入退管理システム |
Also Published As
Publication number | Publication date |
---|---|
EP1714210A1 (en) | 2006-10-25 |
WO2005078572A1 (en) | 2005-08-25 |
EP1714210B1 (en) | 2009-10-28 |
US7489567B2 (en) | 2009-02-10 |
JP4576391B2 (ja) | 2010-11-04 |
CN1918541A (zh) | 2007-02-21 |
ATE447209T1 (de) | 2009-11-15 |
US20070223265A1 (en) | 2007-09-27 |
DE602005017360D1 (de) | 2009-12-10 |
KR20070003923A (ko) | 2007-01-05 |
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