JP5626669B2 - 線の終端方法および装置 - Google Patents
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- JP5626669B2 JP5626669B2 JP2013524188A JP2013524188A JP5626669B2 JP 5626669 B2 JP5626669 B2 JP 5626669B2 JP 2013524188 A JP2013524188 A JP 2013524188A JP 2013524188 A JP2013524188 A JP 2013524188A JP 5626669 B2 JP5626669 B2 JP 5626669B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
- G06F12/0653—Configuration or reconfiguration with centralised address assignment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/06—Address interface arrangements, e.g. address buffers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
- G06F12/0646—Configuration or reconfiguration
- G06F12/0653—Configuration or reconfiguration with centralised address assignment
- G06F12/0661—Configuration or reconfiguration with centralised address assignment and decentralised selection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
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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
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
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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
- G11C7/20—Memory cell initialisation circuits, e.g. when powering up or down, memory clear, latent image memory
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0298—Arrangement for terminating transmission lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0278—Arrangements for impedance matching
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dram (AREA)
- Memory System (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Static Random-Access Memory (AREA)
Description
要約すると、本開示の1つ以上の実施形態は、1つ以上のメモリデバイスに結合された信号線の選択的な信号線終端に役立つように、1つ以上のメモリデバイスを選択する方法を提供する。このため、例えば、本開示に従う種々の実施形態は、例えば特定のメモリデバイスの1つ以上の入力および/または出力データノードの入力インピーダンスの調整に役立つ。
Claims (14)
- メモリセルアレイと、
インターフェースと、
終端回路であって、前記インターフェースのインピーダンス特性を調整するように構成される終端回路と、
制御回路であって、前記インターフェースにおける特定のアドレスの受信に応答して、前記特定のアドレスが、前記メモリデバイスに格納される目標アドレスに一致したとき、前記終端回路を作動させるように構成される制御回路と、
を備え、
前記目標アドレスは、前記メモリデバイスに結合された異なるメモリデバイスに対応したアドレスからなるメモリデバイス。 - 前記インターフェースは、2つ以上のノードを備え、
前記終端回路は、2つ以上の終端回路のうちの1つであり、前記2つ以上の終端回路のそれぞれは、前記インターフェースの前記ノードのそれぞれ1つのインピーダンス特性を調整するように構成され、
前記制御回路は、前記インターフェースにおける前記特定のアドレスの受信に応答して、前記2つ以上の終端回路のうちの少なくとも1つを作動させるように構成される、請求項1に記載のメモリデバイス。 - 前記制御回路は、前記インターフェースにおける特定のアドレスのセットのうちのいずれか1つの受信に応答して、前記アドレスの前記特定のセットの任意の1つが、前記メモリデバイスに格納される目標アドレスのセットの任意の1つに一致した場合、前記1つ以上の終端回路のうちの少なくとも1つを作動させるようにさらに構成され、前記特定のアドレスのセットは、少なくとも前記特定のアドレスを含む、請求項2に記載のメモリデバイス。
- 前記制御回路は、前記インターフェースにおける前記特定のアドレスのセットのうちの異なるアドレスの受信に応答して、前記2つ以上の終端回路のうちの異なる終端回路を作動させるようにさらに構成される、請求項3に記載のメモリデバイス。
- 前記制御回路は、前記特定のアドレスのセットのうちのいずれか1つ以外の、前記インターフェースにおいて受信されたアドレスに応答して、前記2つ以上の終端回路を無効にするようにさらに構成される、請求項3に記載のメモリデバイス。
- 前記目標アドレスは、更に、前記メモリデバイスに対応するアドレスを含む、請求項2〜5のいずれか1項に記載のメモリデバイス。
- 1以上の目標アドレスと、前記目標アドレス情報の前記1以上の目標アドレスと関連した1以上の終端値とを含む目標アドレス情報を格納するように構成されるレジスタをさらに備える、請求項2〜5のいずれか1項に記載のメモリデバイス。
- メモリデバイスにおける特定のアドレスの受信に応答して、前記特定のアドレスが前記メモリデバイスに格納される目標アドレスに一致した場合、終端デバイスとしてメモリデバイスを選択し、終端デバイスとしてメモリデバイスを選択することは、前記メモリデバイスの終端回路を作動することを含み、前記目標アドレスは、前記終端回路を作動する前記メモリデバイスに結合された異なるメモリデバイスに対応したアドレスを含む方法。
- 前記目標アドレスは、更に、前記メモリデバイスに対応したアドレスを含む請求項8に記載の方法。
- 前記メモリデバイスを前記終端デバイスとして選択することは、前記特定のアドレスのアドレスバスの信号線を監視することを含み、前記アドレスバスは、前記メモリデバイスと前記異なるメモリデバイスとに共通に結合されている請求項8に記載の方法。
- 前記終端回路を作動させることは、前記目標アドレスに関連付けられた終端値に応答して、前記終端回路内のプルアップデバイス及びプルダウンデバイスを選択的に作動させることを含む、請求項10に記載の方法。
- 前記特定のアドレスの受信に応答して、前記終端デバイスとして前記メモリデバイスを選択することは、
複数のメモリデバイスのそれぞれにおいて前記特定のアドレスを受信することと、
前記特定のアドレスの受信に応答して、前記複数のメモリデバイスのうちの少なくとも2つにおける終端回路を作動させることと、を含む、請求項8〜11のいずれか1項に記載の方法。 - 特定のアドレスの受信に応答して、前記終端デバイスとして前記メモリデバイスを選択することは、
前記特定のアドレスを受信する前記メモリデバイスにおいて、前記メモリデバイスのインピーダンス特性を調整することを含む、請求項8〜11のいずれか1項に記載の方法。 - 前記特定のアドレスの受信の前に前記メモリデバイス内に、1以上の目標アドレスからなる目標アドレス情報と、前記目標アドレス情報の前記1以上の目標アドレスに関連した1以上の終端値とを格納することと、前記受信された特定のアドレスが前記格納された目標アドレス情報の任意の前記目標アドレスに対応するかどうかを決定することと、前記受信された特定のアドレスが前記格納された目標アドレス情報の特定の目標アドレスに対応する場合に、前記目標アドレス情報の前記特定の目標アドレスに関連した終端値を用いて前記メモリデバイスの前記インピーダンス特性を調整することと、をさらに含む、請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/856,000 US8688955B2 (en) | 2010-08-13 | 2010-08-13 | Line termination methods and apparatus |
US12/856,000 | 2010-08-13 | ||
PCT/US2011/047164 WO2012021568A1 (en) | 2010-08-13 | 2011-08-10 | Line termination methods and apparatus |
Publications (2)
Publication Number | Publication Date |
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JP2013541121A JP2013541121A (ja) | 2013-11-07 |
JP5626669B2 true JP5626669B2 (ja) | 2014-11-19 |
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US (6) | US8688955B2 (ja) |
EP (2) | EP3382710B1 (ja) |
JP (1) | JP5626669B2 (ja) |
KR (1) | KR101496593B1 (ja) |
CN (2) | CN103098136B (ja) |
TW (1) | TWI497525B (ja) |
WO (1) | WO2012021568A1 (ja) |
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US11295794B2 (en) | 2018-09-13 | 2022-04-05 | Kioxia Corporation | Memory system, control method, and non-transitory computer readable medium |
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US10860479B2 (en) | 2020-12-08 |
US20210173774A1 (en) | 2021-06-10 |
JP2013541121A (ja) | 2013-11-07 |
TW201225105A (en) | 2012-06-16 |
EP2603916A4 (en) | 2014-05-14 |
CN106067312B (zh) | 2018-12-25 |
EP3382710B1 (en) | 2021-05-12 |
US11379366B2 (en) | 2022-07-05 |
US9529713B2 (en) | 2016-12-27 |
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