JP4916699B2 - Zqキャリブレーション回路及びこれを備えた半導体装置 - Google Patents
Zqキャリブレーション回路及びこれを備えた半導体装置 Download PDFInfo
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- JP4916699B2 JP4916699B2 JP2005309416A JP2005309416A JP4916699B2 JP 4916699 B2 JP4916699 B2 JP 4916699B2 JP 2005309416 A JP2005309416 A JP 2005309416A JP 2005309416 A JP2005309416 A JP 2005309416A JP 4916699 B2 JP4916699 B2 JP 4916699B2
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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
-
- 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
- G11C11/409—Read-write [R-W] circuits
- G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
-
- 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
- G11C11/406—Management or control of the refreshing or charge-regeneration cycles
- G11C11/40615—Internal triggering or timing of refresh, e.g. hidden refresh, self refresh, pseudo-SRAMs
-
- 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
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
-
- 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
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/1057—Data output buffers, e.g. comprising level conversion circuits, circuits for adapting load
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
- G11C2207/22—Control and timing of internal memory operations
- G11C2207/2254—Calibration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Databases & Information Systems (AREA)
- Logic Circuits (AREA)
- Dram (AREA)
- For Increasing The Reliability Of Semiconductor Memories (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Description
303 プルダウン回路
304,305 カウンタ
306,307 コンパレータ
308、309,331,332 抵抗
311,312,313,314,315 トランジスタ
321,322,323,324,325 トランジスタ
ZQ ZQキャリブレーション用ピン
DRZQP,DRZQN インピーダンス制御信号
Claims (7)
- ZQキャリブレーション端子と、
前記ZQキャリブレーション端子に接続されるプルアップ回路と、を備え、
前記プルアップ回路は、外部から入力されるZQキャリブレーションコマンドによってZQキャリブレーション動作を行い、さらに、前記ZQキャリブレーションコマンド以外のコマンドでも前記ZQキャリブレーション動作を行うことを特徴とするZQキャリブレーション回路。 - 前記プルアップ回路のZQキャリブレーション動作結果に応じてZQキャリブレーション動作を行うプルダウン回路を更に備え、
前記プルダウン回路は、前記プルアップ回路のZQキャリブレーション動作終了後にZQキャリブレーション動作を行うことを特徴とする請求項1に記載のZQキャリブレーション回路。 - ZQキャリブレーション端子と、
前記ZQキャリブレーション端子に接続されるプルアップ回路と、を備え、
前記プルアップ回路は、外部から入力されるZQキャリブレーションコマンドによってZQキャリブレーション動作を行い、さらに、セルフリフレッシュ用コマンドでも前記ZQキャリブレーション動作を行うことを特徴とするZQキャリブレーション回路。 - 前記セルフリフレッシュ用コマンドによるDLLロック期間に、ZQキャリブレーション動作を並行して実施することを特徴とする請求項3に記載のZQキャリブレーション回路。
- ZQキャリブレーション回路において、ZQキャリブレーション端子に接続された第1プルアップ回路と、第2のプルアップ回路とプルダウン回路からなるレプリカバッファと、第1及び第3の制御信号が入力される第1のカウンタと、第2及び第4の制御信号が入力される第2のカウンタと、基準電位と前記ZQキャリブレーション端子の電位とを比較する第1のコンパレータと、前記基準電位と前記レプリカバッファの接点の電位とを比較する第2のコンパレータと、を備え、ZQキャリブレーションコマンドにより前記第1及び第2の制御信号を生成し、第1のZQキャリブレーション動作を行い、セルフリフレッシュコマンドにより前記第3及び第4の制御信号を生成し、第2のZQキャリブレーション動作を行うことを特徴とするZQキャリブレーション回路。
- 前記第1のプルアップ回路と、前記第1のカウンタと、前記第1のコンパレータとによりプルアップ側のZQキャリブレーション動作を行い、その後前記レプリカバッファと、前記第2のカウンタと、前記第2のコンパレータとによりプルダウン側のZQキャリブレーション動作を行うことを特徴とする請求項5に記載のZQキャリブレーション回路。
- 請求項1から請求項6のいずれか1項に記載のZQキャリブレーション回路を搭載したことを特徴とする半導体装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005309416A JP4916699B2 (ja) | 2005-10-25 | 2005-10-25 | Zqキャリブレーション回路及びこれを備えた半導体装置 |
DE102006050103A DE102006050103A1 (de) | 2005-10-25 | 2006-10-24 | ZQ-Eichschaltung und Halbleitervorrichtung |
US11/585,108 US7839159B2 (en) | 2005-10-25 | 2006-10-24 | ZQ calibration circuit and a semiconductor device including a ZQ calibration circuit |
TW095139275A TWI358203B (en) | 2005-10-25 | 2006-10-25 | Zq calibration circuit and semiconductor device |
KR1020060103965A KR100834330B1 (ko) | 2005-10-25 | 2006-10-25 | Zq 캘리브레이션 회로 및 이것을 구비한 반도체 장치 |
CN200610137452A CN100593905C (zh) | 2005-10-25 | 2006-10-25 | Zq定标电路和具有它的半导体装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005309416A JP4916699B2 (ja) | 2005-10-25 | 2005-10-25 | Zqキャリブレーション回路及びこれを備えた半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007123987A JP2007123987A (ja) | 2007-05-17 |
JP4916699B2 true JP4916699B2 (ja) | 2012-04-18 |
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JP2005309416A Expired - Fee Related JP4916699B2 (ja) | 2005-10-25 | 2005-10-25 | Zqキャリブレーション回路及びこれを備えた半導体装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7839159B2 (ja) |
JP (1) | JP4916699B2 (ja) |
KR (1) | KR100834330B1 (ja) |
CN (1) | CN100593905C (ja) |
DE (1) | DE102006050103A1 (ja) |
TW (1) | TWI358203B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11769535B2 (en) | 2021-09-15 | 2023-09-26 | Kioxia Corporation | Semiconductor memory device |
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KR100583636B1 (ko) | 2003-08-19 | 2006-05-26 | 삼성전자주식회사 | 단일의 기준 저항기를 이용하여 종결 회로 및 오프-칩구동 회로의 임피던스를 제어하는 장치 |
JP4159553B2 (ja) * | 2005-01-19 | 2008-10-01 | エルピーダメモリ株式会社 | 半導体装置の出力回路及びこれを備える半導体装置、並びに、出力回路の特性調整方法 |
JP4199789B2 (ja) * | 2006-08-29 | 2008-12-17 | エルピーダメモリ株式会社 | 半導体装置の出力回路調整方法 |
JP4282713B2 (ja) * | 2006-11-28 | 2009-06-24 | エルピーダメモリ株式会社 | キャリブレーション回路を有する半導体装置及びキャリブレーション方法 |
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2005
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2006
- 2006-10-24 DE DE102006050103A patent/DE102006050103A1/de not_active Withdrawn
- 2006-10-24 US US11/585,108 patent/US7839159B2/en active Active
- 2006-10-25 KR KR1020060103965A patent/KR100834330B1/ko not_active IP Right Cessation
- 2006-10-25 CN CN200610137452A patent/CN100593905C/zh not_active Expired - Fee Related
- 2006-10-25 TW TW095139275A patent/TWI358203B/zh active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11769535B2 (en) | 2021-09-15 | 2023-09-26 | Kioxia Corporation | Semiconductor memory device |
Also Published As
Publication number | Publication date |
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KR20070044790A (ko) | 2007-04-30 |
US20070148796A1 (en) | 2007-06-28 |
DE102006050103A1 (de) | 2007-06-21 |
TW200729728A (en) | 2007-08-01 |
KR100834330B1 (ko) | 2008-06-02 |
US7839159B2 (en) | 2010-11-23 |
TWI358203B (en) | 2012-02-11 |
JP2007123987A (ja) | 2007-05-17 |
CN1956326A (zh) | 2007-05-02 |
CN100593905C (zh) | 2010-03-10 |
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