JPH10510087A - レジスタファイル読取/書込セル - Google Patents
レジスタファイル読取/書込セルInfo
- Publication number
- JPH10510087A JPH10510087A JP9513251A JP51325197A JPH10510087A JP H10510087 A JPH10510087 A JP H10510087A JP 9513251 A JP9513251 A JP 9513251A JP 51325197 A JP51325197 A JP 51325197A JP H10510087 A JPH10510087 A JP H10510087A
- Authority
- JP
- Japan
- Prior art keywords
- storage device
- switches
- coupled
- enable
- electronic circuit
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/16—Multiple access memory array, e.g. addressing one storage element via at least two independent addressing line groups
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Static Random-Access Memory (AREA)
- Dram (AREA)
- Advance Control (AREA)
- Shift Register Type Memory (AREA)
- Debugging And Monitoring (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.複数のメモリセルを含む複数ポート記憶装置を有する電子回路であって、 ‐ 各セルが複数の、独立して制御可能なビット線へ結合され、 ‐ 各セルが ‐ 単一ビットの記憶用の記憶装置と、 ‐ 複数のスイッチであって、それらのうちの各々それぞれのスイッチがビッ ト線のうちのそれぞれのビット線へ記憶装置を選択的に接続するように活動する 複数のスイッチと、 を具え、 ‐ 各記憶装置が ‐ セルの書込を可能にするために複数のスイッチと前記記憶装置の入力端子 との間に結合された書込可能化素子と、 ‐ セルの読取を可能にするために前記記憶装置の出力端子と複数のスイッチ との間に結合された読取可能化素子と、 を具えている、 複数ポート記憶装置を有する電子回路。 2.請求項1記載の回路であって、少なくとも読取可能化素子又は書込可能化素 子が制御信号によって活動的にされる複数ポート記憶装置を有する電子回路。 3.請求項2記載の回路であって、 ‐ 前記記憶装置が一対の交差結合された位相反転器を具え、 ‐ 前記書込可能化素子が複数のスイッチと入力端子との間に結合された導電 チャネルを有し、且つ制御信号を受け取るための制御電極を有する書込可能化ト ランジスタを具えている、 複数ポート記憶装置を有する電子回路。 4.請求項3記載の回路であって、 ‐ 前記読取可能化素子が複数のスイッチと基準電圧との間に結合された導電 チャネルを有し、且つ出力端子へ結合された制御電極を有する読取可能化トラン ジスタを具えている、 複数ポート記憶装置を有する電子回路。 5.請求項1記載の回路であって、前記スイッチが少なくとも2個のポートを介 して前記のセルのうちの特定のセルの同時読取を可能にするために活動するよう に活動する複数ポート記憶装置を有する電子回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/534,682 US5642325A (en) | 1995-09-27 | 1995-09-27 | Register file read/write cell |
US08/534,682 | 1995-09-27 | ||
PCT/IB1996/000941 WO1997012370A1 (en) | 1995-09-27 | 1996-09-13 | Register file read/write cell |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10510087A true JPH10510087A (ja) | 1998-09-29 |
Family
ID=24131097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9513251A Pending JPH10510087A (ja) | 1995-09-27 | 1996-09-13 | レジスタファイル読取/書込セル |
Country Status (8)
Country | Link |
---|---|
US (1) | US5642325A (ja) |
EP (1) | EP0793847B1 (ja) |
JP (1) | JPH10510087A (ja) |
KR (1) | KR100429323B1 (ja) |
CN (1) | CN1118068C (ja) |
DE (1) | DE69619794T2 (ja) |
TW (1) | TW332878B (ja) |
WO (1) | WO1997012370A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003308697A (ja) * | 2002-04-11 | 2003-10-31 | Fujitsu Ltd | メモリセル回路にデータを格納する方法、メモリセル回路、データをメモリセルに書き込むシステム、及び信号を供給するシステム |
US7411813B2 (en) | 2004-07-13 | 2008-08-12 | Fujitsu Limited | Semiconductor device |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5914906A (en) * | 1995-12-20 | 1999-06-22 | International Business Machines Corporation | Field programmable memory array |
US5831896A (en) * | 1996-12-17 | 1998-11-03 | International Business Machines Corporation | Memory cell |
US5894432A (en) * | 1997-07-08 | 1999-04-13 | International Business Machines Corporation | CMOS memory cell with improved read port |
US5815432A (en) * | 1997-07-10 | 1998-09-29 | Hewlett-Packard Company | Single-ended read, dual-ended write SCRAM cell |
KR100289386B1 (ko) * | 1997-12-27 | 2001-06-01 | 김영환 | 멀티 포트 에스램 |
US6343348B1 (en) | 1998-12-03 | 2002-01-29 | Sun Microsystems, Inc. | Apparatus and method for optimizing die utilization and speed performance by register file splitting |
US7114056B2 (en) | 1998-12-03 | 2006-09-26 | Sun Microsystems, Inc. | Local and global register partitioning in a VLIW processor |
US7117342B2 (en) * | 1998-12-03 | 2006-10-03 | Sun Microsystems, Inc. | Implicitly derived register specifiers in a processor |
US6785781B2 (en) * | 2000-04-20 | 2004-08-31 | International Business Machines Corporation | Read/write alignment scheme for port reduction of multi-port SRAM cells |
US6999372B2 (en) * | 2003-03-18 | 2006-02-14 | Sun Microsystems, Inc. | Multi-ported memory cell |
EP1526590A2 (en) * | 2003-09-22 | 2005-04-27 | Fuji Photo Film Co., Ltd. | Battery and a pair of contacts, and lens-fitted photo film unit |
US7209395B2 (en) * | 2004-09-28 | 2007-04-24 | Intel Corporation | Low leakage and leakage tolerant stack free multi-ported register file |
US7281094B2 (en) * | 2005-01-25 | 2007-10-09 | Via Technologies, Inc. | Balanced bitcell for a multi-port register file |
JP4978473B2 (ja) * | 2005-12-27 | 2012-07-18 | 富士通株式会社 | Sram回路、及び、これを用いたバッファ回路 |
US7898894B2 (en) * | 2006-04-12 | 2011-03-01 | International Business Machines Corporation | Static random access memory (SRAM) cells |
CN101359505B (zh) * | 2008-09-02 | 2011-04-20 | 北京芯技佳易微电子科技有限公司 | 一种读隔离可编程存储器单元及其编程和读取方法 |
US8866556B2 (en) | 2009-02-27 | 2014-10-21 | Analog Bits, Inc. | Phase shift phase locked loop |
US8742957B2 (en) | 2010-12-15 | 2014-06-03 | Analog Bits, Inc. | Multi-variable multi-wire interconnect |
US11967365B2 (en) * | 2019-06-11 | 2024-04-23 | Arm Limited | Bitcell architecture with time-multiplexed ports |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4380055A (en) * | 1980-12-24 | 1983-04-12 | Mostek Corporation | Static RAM memory cell |
JP2837682B2 (ja) * | 1989-01-13 | 1998-12-16 | 株式会社日立製作所 | 半導体記憶装置 |
US5023844A (en) * | 1990-02-28 | 1991-06-11 | Intel Corporation | Six-way access ported RAM array cell |
US5189640A (en) * | 1990-03-27 | 1993-02-23 | National Semiconductor Corporation | High speed, multi-port memory cell utilizable in a BICMOS memory array |
EP0505926B1 (en) * | 1991-03-19 | 1997-01-02 | Fujitsu Limited | Multiport memory |
JPH04324189A (ja) * | 1991-04-24 | 1992-11-13 | Toshiba Corp | マルチポ−トメモリ装置 |
US5355335A (en) * | 1991-06-25 | 1994-10-11 | Fujitsu Limited | Semiconductor memory device having a plurality of writing and reading ports for decreasing hardware amount |
JP3153568B2 (ja) * | 1991-07-03 | 2001-04-09 | 株式会社東芝 | マルチポートram用メモリセル及びマルチポートram |
-
1995
- 1995-09-27 US US08/534,682 patent/US5642325A/en not_active Expired - Lifetime
-
1996
- 1996-09-13 DE DE69619794T patent/DE69619794T2/de not_active Expired - Lifetime
- 1996-09-13 CN CN96191486A patent/CN1118068C/zh not_active Expired - Lifetime
- 1996-09-13 WO PCT/IB1996/000941 patent/WO1997012370A1/en active IP Right Grant
- 1996-09-13 EP EP96928646A patent/EP0793847B1/en not_active Expired - Lifetime
- 1996-09-13 KR KR1019970703521A patent/KR100429323B1/ko not_active IP Right Cessation
- 1996-09-13 JP JP9513251A patent/JPH10510087A/ja active Pending
- 1996-10-18 TW TW085112731A patent/TW332878B/zh not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003308697A (ja) * | 2002-04-11 | 2003-10-31 | Fujitsu Ltd | メモリセル回路にデータを格納する方法、メモリセル回路、データをメモリセルに書き込むシステム、及び信号を供給するシステム |
JP4560276B2 (ja) * | 2002-04-11 | 2010-10-13 | 富士通株式会社 | メモリセル回路にデータを格納する方法、メモリセル回路、データをメモリセルに書き込むシステム、及び信号を供給するシステム |
US7411813B2 (en) | 2004-07-13 | 2008-08-12 | Fujitsu Limited | Semiconductor device |
Also Published As
Publication number | Publication date |
---|---|
DE69619794T2 (de) | 2002-11-07 |
EP0793847B1 (en) | 2002-03-13 |
CN1118068C (zh) | 2003-08-13 |
TW332878B (en) | 1998-06-01 |
EP0793847A1 (en) | 1997-09-10 |
KR980700664A (ko) | 1998-03-30 |
KR100429323B1 (ko) | 2004-07-30 |
WO1997012370A1 (en) | 1997-04-03 |
DE69619794D1 (de) | 2002-04-18 |
US5642325A (en) | 1997-06-24 |
CN1168191A (zh) | 1997-12-17 |
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