JP2006010695A - ピンごとのクロック合成方法およびシステム - Google Patents
ピンごとのクロック合成方法およびシステム Download PDFInfo
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- JP2006010695A JP2006010695A JP2005182173A JP2005182173A JP2006010695A JP 2006010695 A JP2006010695 A JP 2006010695A JP 2005182173 A JP2005182173 A JP 2005182173A JP 2005182173 A JP2005182173 A JP 2005182173A JP 2006010695 A JP2006010695 A JP 2006010695A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/31708—Analysis of signal quality
- G01R31/31709—Jitter measurements; Jitter generators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31917—Stimuli generation or application of test patterns to the device under test [DUT]
- G01R31/31922—Timing generation or clock distribution
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Tests Of Electronic Circuits (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Abstract
【解決手段】本発明による方法は、中央で基準クロック(RCLK)を生成するステップと、この基準クロック(RCLK)を複数の電子回路に分配するステップと、を含み、電子回路の各々は、被測定デバイス(DUT)のピンを所定の信号パターンで電気的に制御するテスト信号プロセッサ(20a、20b、20c)を備えており、本方法は、テスト信号プロセッサ(20a、20b、20c)においてデジタルクロック信号(PCLK)をローカルに合成するステップにより特徴付けられ、デジタルクロック信号(PCLK)は、テスト信号プロセッサ(20a、20b、20c)によって電気的に制御される被測定デバイス(DUT)のピンに対して、個別的である。
【選択図】図1
Description
12:中央のクロック発生器
14:クロック分配線
16:カードケージ
16a〜16c:カード
18:カードケージ
18a〜18c:カード
20a〜20c:テスト信号プロセッサ
22:基準周波数発生器
24:除算
34:除算
36:遅延素子
38:位相検出器
40:除算器
42:遅延カウンタ
52:除算器
54:位相検出器
56:低域通過フィルタ
58:電圧制御発振器
60:除算器
62:データシーケンサ
64:パターンメモリ
66:制御線
68:デルタシグマ変調器
74:パターンメモリ
76:データシーケンサ
78:データソース
Claims (11)
- 複数のピンを有する被測定電子デバイス用のデジタルクロック信号を合成する方法であって、
中央で基準クロックを生成するステップと、
前記基準クロックを複数の電子回路に分配するステップであって、該電子回路の各々は、前記被測定デバイスのピンを既定の信号パターンで電気的に制御するテスト信号プロセッサを備えている、ステップと、
前記テスト信号プロセッサにおいてデジタルクロック信号をローカルに合成するステップであって、該デジタルクロック信号は、前記テスト信号プロセッサが電気的に制御する被測定デバイスのピンについて個別である、ステップと、
を含む、方法。 - 前記ピンごとのデジタルクロック信号の周波数、位相、および/または、振幅を、デジタルデータソースに記憶されたデジタルデータに従ってピンごとに変調することを特徴とする、請求項1に記載の方法。
- 前記ピンごとのデジタルクロック信号の合成は、前記テスト信号プロセッサにおいてモノリシックに集積され、前記信号パターンのシーケンス、タイミング、およびクロックは、1つの半導体チップの中でピンごとに生成されることを特徴とする、請求項1または2に記載の方法。
- 前記被測定デバイスの少なくとも一部のピンまたは好ましくはすべてのピンについて、個別のテスト信号プロセッサが、ピンごとのデジタルクロック信号の集積合成手段を備えていることを特徴とする、請求項3に記載の方法。
- 前記合成は、後続の位相ロックループを伴う、前記基準クロックのN/M除算(NおよびMは整数であり、N<M)を備えていることを特徴とする、請求項1から4のいずれか一項に記載の方法。
- 前記N/M除算された基準クロックは、後続の位相ロックループを伴う、前記基準クロックのN/M除算(NとMは整数であり、N<M)を含む中央で生成された同期信号と同期化され、該同期信号は前記電子回路に分配されることを特徴とする、請求項5に記載の方法。
- 超周期が中央で生成され前記電子回路に分配され、前記超周期は同期化する必要のあるすべてのピンごとのクロック周期の最小公倍数に設定されることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 前記超周期は、N/M除算(NおよびMは整数であり、N<M)によって前記基準クロックから生成されることを特徴とする、請求項7に記載の方法。
- 前記ピンごとのクロックは前記超周期に同期化されることを特徴とする、請求項7または8に記載の方法。
- コンピュータなどのデータ処理システム上で実行したときに、前記請求項1から9のいずれか一項に記載の方法を実行する、好ましくはデータキャリアに記憶されたソフトウェアプログラムまたは製品。
- 複数のピンを有する被測定電子デバイス用のデジタルクロック信号を合成するシステムであって、
中央で基準クロックを生成する手段と、
前記基準クロックを複数の電子回路に分配する手段と、
を備え、
前記電子回路の各々は、既定の信号パターンで前記被測定デバイスのピンを電気的に制御するテスト信号プロセッサを備え、
前記システムは、
前記テスト信号プロセッサにおいてデジタルクロック信号をローカルに合成する手段を特徴とし、前記デジタルクロック信号は、前記テスト信号プロセッサによって電気的に制御される前記被測定デバイスのピンについて個別であることを特徴とする、システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04102924A EP1610137B1 (en) | 2004-06-24 | 2004-06-24 | Per-pin clock synthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006010695A true JP2006010695A (ja) | 2006-01-12 |
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ID=34929240
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007516986A Pending JP2008503735A (ja) | 2004-06-24 | 2004-08-06 | 改善したジッタ発生 |
JP2005182173A Pending JP2006010695A (ja) | 2004-06-24 | 2005-06-22 | ピンごとのクロック合成方法およびシステム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007516986A Pending JP2008503735A (ja) | 2004-06-24 | 2004-08-06 | 改善したジッタ発生 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7512858B2 (ja) |
EP (3) | EP1610137B1 (ja) |
JP (2) | JP2008503735A (ja) |
CN (1) | CN1977178A (ja) |
DE (2) | DE602004015646D1 (ja) |
WO (1) | WO2006000252A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2008126607A1 (ja) * | 2007-03-23 | 2010-07-22 | 株式会社アドバンテスト | 試験装置、電子デバイス、及び試験方法 |
TWI395957B (zh) * | 2006-04-07 | 2013-05-11 | Advantest Singapore Pte Ltd | 合成用於一測試數據流之狀態事件的系統、方法及裝置 |
Families Citing this family (10)
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US7319936B2 (en) * | 2004-11-22 | 2008-01-15 | Teradyne, Inc. | Instrument with interface for synchronization in automatic test equipment |
US7454681B2 (en) * | 2004-11-22 | 2008-11-18 | Teradyne, Inc. | Automatic test system with synchronized instruments |
US7449876B2 (en) * | 2006-05-03 | 2008-11-11 | Agilent Technologies, Inc. | Swept-frequency measurements with improved speed using synthetic instruments |
JP4856007B2 (ja) | 2007-05-29 | 2012-01-18 | 株式会社アドバンテスト | 波形発生装置、設定周期補正方法及び半導体試験装置 |
CN101471816B (zh) * | 2007-12-24 | 2012-12-12 | 瑞昱半导体股份有限公司 | 用来产生抖动时钟信号的抖动产生器 |
US9274911B2 (en) * | 2013-02-21 | 2016-03-01 | Advantest Corporation | Using shared pins in a concurrent test execution environment |
US9898565B2 (en) * | 2015-11-25 | 2018-02-20 | Synopsys, Inc. | Clock jitter emulation |
JP6683515B2 (ja) * | 2016-03-23 | 2020-04-22 | 株式会社メガチップス | 信号生成装置及びレギュレータの出力電圧の変動抑制方法 |
US10989758B2 (en) * | 2018-09-21 | 2021-04-27 | Aem Singapore Pte. Ltd. | System and method for temporal signal measurement of device under test (DUT) and method of forming system |
US11237587B1 (en) * | 2020-12-14 | 2022-02-01 | Qualcomm Incorporated | On-chip clock controller (OCC) manager based turbo capture clocking |
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2004
- 2004-06-24 DE DE602004015646T patent/DE602004015646D1/de active Active
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- 2004-06-24 EP EP06022421A patent/EP1752779B1/en not_active Expired - Fee Related
- 2004-06-24 DE DE602004021178T patent/DE602004021178D1/de active Active
- 2004-08-06 JP JP2007516986A patent/JP2008503735A/ja active Pending
- 2004-08-06 EP EP04766446A patent/EP1759220A1/en not_active Withdrawn
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2005
- 2005-06-22 US US11/158,499 patent/US7512858B2/en active Active
- 2005-06-22 JP JP2005182173A patent/JP2006010695A/ja active Pending
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Also Published As
Publication number | Publication date |
---|---|
EP1759220A1 (en) | 2007-03-07 |
JP2008503735A (ja) | 2008-02-07 |
US20070126414A1 (en) | 2007-06-07 |
EP1752779B1 (en) | 2008-08-06 |
DE602004015646D1 (de) | 2008-09-18 |
EP1610137A1 (en) | 2005-12-28 |
EP1752779A3 (en) | 2007-02-21 |
US7512858B2 (en) | 2009-03-31 |
WO2006000252A1 (en) | 2006-01-05 |
DE602004021178D1 (de) | 2009-07-02 |
EP1610137B1 (en) | 2009-05-20 |
US20050289427A1 (en) | 2005-12-29 |
EP1752779A2 (en) | 2007-02-14 |
CN1977178A (zh) | 2007-06-06 |
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