JP7393079B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7393079B2 JP7393079B2 JP2019059399A JP2019059399A JP7393079B2 JP 7393079 B2 JP7393079 B2 JP 7393079B2 JP 2019059399 A JP2019059399 A JP 2019059399A JP 2019059399 A JP2019059399 A JP 2019059399A JP 7393079 B2 JP7393079 B2 JP 7393079B2
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- 239000004065 semiconductor Substances 0.000 title claims description 36
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 230000000630 rising effect Effects 0.000 claims description 11
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
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- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
- H04L7/0012—Synchronisation information channels, e.g. clock distribution lines by comparing receiver clock with transmitter clock
-
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- 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
-
- 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
- H03L7/08—Details of the phase-locked loop
-
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/097—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a comparator for comparing the voltages obtained from two frequency to voltage converters
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/0045—Correction by a latch cascade
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
Description
10 PLL回路
11 位相比較器
12 チャージポンプ
13 ローパスフィルタ
14 電圧制御発振器
15 分周器
20、30、40 フリップフロップ
Claims (4)
- 位相同期回路の基準クロック信号に同期した入力信号を位相同期クロック信号に同期した出力信号として出力する半導体装置であって、
前記位相同期回路の位相比較器に入力される帰還信号に基づいて前記基準クロック信号に同期させて前記帰還信号の立ち下がりエッジで前記入力信号を取り込む第1のフリップフロップと、
前記第1のフリップフロップの出力を前記位相同期クロック信号に基づいて前記位相同期クロック信号の立ち上がりエッジで取り込み前記出力信号として出力する第2のフリップフロップと、
前記基準クロック信号に同期させて外部入力信号を前記基準クロック信号の立ち上がりエッジで取り込み前記入力信号として前記第1のフリップフロップに出力する第3のフリップフロップとを含み、
前記位相同期クロック信号への同期化の際のセットアップタイムが前記基準クロック信号の周期の2分の1とされ、
前記位相同期回路は、前記位相同期クロック信号を分周して前記帰還信号を生成する分周器を備えた
半導体装置。 - 前記位相同期クロック信号への同期化の際のセットアップタイムが前記第1のフリップフロップにおけるセットアップタイムである
請求項1に記載の半導体装置。 - 前記位相同期回路は、前記基準クロック信号の位相と前記帰還信号の位相とを比較する前記位相比較器、及び該位相比較器の出力に基づいて周波数が制御された前記位相同期クロック信号を出力する電圧制御発振器をさらに備える
請求項1または請求項2に記載の半導体装置。 - 第1のクロック信号が入力されて第2のクロック信号を出力し、分周器により前記第2のクロック信号を分周して帰還信号を生成する位相同期回路と、
前記帰還信号に基づいて前記第1のクロック信号に同期させて前記帰還信号の立ち下がりエッジで第1の信号を取り込み、第2の信号を出力する第1のフリップフロップと、
前記第2のクロック信号に基づいて前記第2のクロック信号の立ち上がりエッジで前記第2の信号を取り込み、出力信号を出力する第2のフリップフロップと、
前記第1のクロック信号に同期させて外部入力信号を前記第1のクロック信号の立ち上がりエッジで取り込み前記第1の信号として前記第1のフリップフロップに出力する第3のフリップフロップと
を備え、
前記第2のクロック信号への同期化の際のセットアップタイムが前記第1のクロック信号の周期の2分の1とされた
半導体装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019059399A JP7393079B2 (ja) | 2019-03-26 | 2019-03-26 | 半導体装置 |
US16/825,769 US11190193B2 (en) | 2019-03-26 | 2020-03-20 | Semiconductor device |
CN202010200892.5A CN111756370A (zh) | 2019-03-26 | 2020-03-20 | 半导体装置 |
US17/537,101 US11728815B2 (en) | 2019-03-26 | 2021-11-29 | Semiconductor device |
Applications Claiming Priority (1)
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---|---|---|---|
JP2019059399A JP7393079B2 (ja) | 2019-03-26 | 2019-03-26 | 半導体装置 |
Publications (2)
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JP2020161983A JP2020161983A (ja) | 2020-10-01 |
JP7393079B2 true JP7393079B2 (ja) | 2023-12-06 |
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JP2019059399A Active JP7393079B2 (ja) | 2019-03-26 | 2019-03-26 | 半導体装置 |
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US (2) | US11190193B2 (ja) |
JP (1) | JP7393079B2 (ja) |
CN (1) | CN111756370A (ja) |
Families Citing this family (2)
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JP7393079B2 (ja) * | 2019-03-26 | 2023-12-06 | ラピスセミコンダクタ株式会社 | 半導体装置 |
CN114740920B (zh) * | 2022-03-22 | 2024-04-09 | 上海欧菲智能车联科技有限公司 | 加热控制电路、加热控制方法及相关装置 |
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- 2020-03-20 US US16/825,769 patent/US11190193B2/en active Active
- 2020-03-20 CN CN202010200892.5A patent/CN111756370A/zh active Pending
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2021
- 2021-11-29 US US17/537,101 patent/US11728815B2/en active Active
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JP2001345791A (ja) | 2000-05-30 | 2001-12-14 | Hitachi Ltd | クロック生成回路および通信用半導体集積回路 |
JP2004297703A (ja) | 2003-03-28 | 2004-10-21 | Fujitsu General Ltd | クロック乗換回路 |
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US11190193B2 (en) | 2021-11-30 |
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