CN100487814C - 存取单端口存储设备的方法,存储器存取设备,集成电路设备和集成电路设备的使用方法 - Google Patents
存取单端口存储设备的方法,存储器存取设备,集成电路设备和集成电路设备的使用方法 Download PDFInfo
- Publication number
- CN100487814C CN100487814C CNB03808984XA CN03808984A CN100487814C CN 100487814 C CN100487814 C CN 100487814C CN B03808984X A CNB03808984X A CN B03808984XA CN 03808984 A CN03808984 A CN 03808984A CN 100487814 C CN100487814 C CN 100487814C
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- Prior art keywords
- access
- signal
- memory
- memory device
- high priority
- 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.)
- Expired - Fee Related
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1075—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for multiport memories each having random access ports and serial ports, e.g. video RAM
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Static Random-Access Memory (AREA)
- Communication Control (AREA)
- Dram (AREA)
Abstract
Description
名称 | 来自 | 动作 | 说明 |
WEN | add_p1_gen08 | 上升 | 写选通(上升沿触发写脉冲) |
REBL | add_p2_gen07 | 1 | 读使能(在一个ram_clk周期内为高) |
RA | add_p2_gen07 | 读地址 | |
WA | add_p1_gen07 | 写地址 | |
OSC_CLK | 振荡器 | 上升 | 时钟 |
名称 | 至 | 动作 | 说明 |
WEB | RAM | 0=write,1=read | |
CL | RAM | 上升 | 触发ram |
A | RAM | 寻址ram |
符号符号 | 参数 | 条件 | MIN. | TYP. | MAX. | 单位 |
V<sub>DDI</sub> | 供应电压 | 参考:V<sub>SSI</sub> | 1.70.7 | 3.31.5 | 3.61.7 | V |
Tamb | 温度 | -40 | 27 | 125 | ℃ | |
V<sub>IL</sub> | 低电平输入电压 | V<sub>SS</sub> | - | 0.2V<sub>DDI</sub> | V | |
V<sub>IH</sub> | 高电平收入电压 | 0.8V<sub>DDI</sub> | - | V<sub>DDI</sub> | V |
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02008927 | 2002-04-22 | ||
EP02008927.2 | 2002-04-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1647204A CN1647204A (zh) | 2005-07-27 |
CN100487814C true CN100487814C (zh) | 2009-05-13 |
Family
ID=29225595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB03808984XA Expired - Fee Related CN100487814C (zh) | 2002-04-22 | 2003-04-14 | 存取单端口存储设备的方法,存储器存取设备,集成电路设备和集成电路设备的使用方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7057965B2 (zh) |
EP (1) | EP1500107A2 (zh) |
JP (1) | JP2005523536A (zh) |
CN (1) | CN100487814C (zh) |
AU (1) | AU2003216636A1 (zh) |
TW (1) | TWI301275B (zh) |
WO (1) | WO2003090231A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102567259A (zh) * | 2010-12-27 | 2012-07-11 | 北京国睿中数科技股份有限公司 | 面向高速通信接口的低功耗缓冲装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7490208B1 (en) * | 2004-10-05 | 2009-02-10 | Nvidia Corporation | Architecture for compact multi-ported register file |
CN100388252C (zh) * | 2004-12-14 | 2008-05-14 | 威瀚科技股份有限公司 | 实现双端口同步存储装置的方法及相关装置 |
US8645609B2 (en) * | 2010-12-06 | 2014-02-04 | Brocade Communications Systems, Inc. | Two-port memory implemented with single-port memory blocks |
GB2488516A (en) * | 2011-02-15 | 2012-09-05 | Advanced Risc Mach Ltd | Using priority dependent delays to ensure that the average delay between accesses to a memory remains below a threshold |
US9171594B2 (en) * | 2012-07-19 | 2015-10-27 | Arm Limited | Handling collisions between accesses in multiport memories |
CN103594120B (zh) * | 2013-10-31 | 2018-08-21 | 西安紫光国芯半导体有限公司 | 以读代写的存储器纠错方法 |
KR101468677B1 (ko) | 2013-12-27 | 2014-12-05 | (주)실리콘화일 | 아비터를 이용한 메모리의 억세스 제어회로 |
WO2018148918A1 (zh) * | 2017-02-17 | 2018-08-23 | 深圳市大疆创新科技有限公司 | 存储设备、芯片及存储设备的控制方法 |
US20190378564A1 (en) * | 2018-06-11 | 2019-12-12 | Nanya Technology Corporation | Memory device and operating method thereof |
US11024347B2 (en) | 2019-10-17 | 2021-06-01 | Marvell Asia Pte, Ltd. | Multiple sense amplifier and data path-based pseudo dual port SRAM |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07287551A (ja) * | 1994-04-15 | 1995-10-31 | Seiko Instr Inc | 液晶表示用集積回路 |
KR0150072B1 (ko) * | 1995-11-30 | 1998-10-15 | 양승택 | 병렬처리 컴퓨터 시스템에서의 메모리 데이타 경로 제어장치 |
JP4102455B2 (ja) * | 1996-09-26 | 2008-06-18 | セイコーエプソン株式会社 | 表示駆動制御回路及び画像表示装置並びにそれを備えた電子機器 |
US5781480A (en) * | 1997-07-29 | 1998-07-14 | Motorola, Inc. | Pipelined dual port integrated circuit memory |
US6078527A (en) * | 1997-07-29 | 2000-06-20 | Motorola, Inc. | Pipelined dual port integrated circuit memory |
WO2000003381A1 (fr) * | 1998-07-09 | 2000-01-20 | Seiko Epson Corporation | Circuit d'attaque et dispositif a cristal liquide |
JP2000132451A (ja) * | 1998-10-23 | 2000-05-12 | Advantest Corp | メモリ制御回路 |
US6169700B1 (en) * | 1999-02-04 | 2001-01-02 | Lucent Technologies, Inc. | Wait state generator circuit and method to allow asynchronous, simultaneous access by two processors |
US6370037B1 (en) * | 1999-09-16 | 2002-04-09 | Garmin Corporation | Releasable mount for an electric device |
JP4052192B2 (ja) * | 2003-03-14 | 2008-02-27 | セイコーエプソン株式会社 | 半導体集積回路 |
-
2003
- 2003-04-14 JP JP2003586891A patent/JP2005523536A/ja active Pending
- 2003-04-14 AU AU2003216636A patent/AU2003216636A1/en not_active Abandoned
- 2003-04-14 CN CNB03808984XA patent/CN100487814C/zh not_active Expired - Fee Related
- 2003-04-14 WO PCT/IB2003/001445 patent/WO2003090231A2/en active Application Filing
- 2003-04-14 EP EP03712546A patent/EP1500107A2/en not_active Withdrawn
- 2003-04-14 US US10/512,031 patent/US7057965B2/en not_active Expired - Fee Related
- 2003-04-18 TW TW092109087A patent/TWI301275B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102567259A (zh) * | 2010-12-27 | 2012-07-11 | 北京国睿中数科技股份有限公司 | 面向高速通信接口的低功耗缓冲装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1500107A2 (en) | 2005-01-26 |
TW200402067A (en) | 2004-02-01 |
US7057965B2 (en) | 2006-06-06 |
CN1647204A (zh) | 2005-07-27 |
WO2003090231A3 (en) | 2004-02-12 |
JP2005523536A (ja) | 2005-08-04 |
TWI301275B (en) | 2008-09-21 |
US20050180254A1 (en) | 2005-08-18 |
AU2003216636A1 (en) | 2003-11-03 |
AU2003216636A8 (en) | 2003-11-03 |
WO2003090231A2 (en) | 2003-10-30 |
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Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070810 |
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Effective date of registration: 20070810 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
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Owner name: KALAI HANXILE CO., LTD. Free format text: FORMER OWNER: KONINKL PHILIPS ELECTRONICS NV Effective date: 20120116 |
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Granted publication date: 20090513 Termination date: 20130414 |