JP4115973B2 - 半導体装置および制御方法 - Google Patents
半導体装置および制御方法 Download PDFInfo
- Publication number
- JP4115973B2 JP4115973B2 JP2004235552A JP2004235552A JP4115973B2 JP 4115973 B2 JP4115973 B2 JP 4115973B2 JP 2004235552 A JP2004235552 A JP 2004235552A JP 2004235552 A JP2004235552 A JP 2004235552A JP 4115973 B2 JP4115973 B2 JP 4115973B2
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- JP
- Japan
- Prior art keywords
- decoder
- power supply
- control circuit
- terminal
- semiconductor device
- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims description 46
- 238000000034 method Methods 0.000 title description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 description 15
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 12
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005669 field effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
-
- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
- Logic Circuits (AREA)
Description
つまり、ドレインスイッチ95は、外つけPMOS型のトランジスタで構成されている。電源制御回路409は、デコーダ103とは別のチップにより形成され、デコーダ103に接続される。この場合にも、電源制御回路409とデコーダ103は、同一のパッケージに実装される。本実施例は、実質的に外部ICから制御する必要のある端子は、入力端子41乃至43の3本のみと他の実施例と同じ本数にとどめることができる。
2 スイッチ回路
41、42、43 入力端子
5 電源端子
6 グランド端子
7 RFコモン端子
81〜86 RF端子
103、203、303 デコーダ
109、209、309、409 電源制御回路
91、94 ドレインスイッチFET
93 ロジック
Claims (11)
- 所定の組み合わせの信号を入力して所定の出力をなすデコーダと電源制御回路とを備える半導体装置において、
前記半導体装置は更に、第1の端子と複数の第2の端子間を選択的に接続する複数のスイッチトランジスタからなるスイッチ回路を含み、
前記電源制御回路は、前記所定の組み合わせの信号のうち少なくとも1つの組み合わせが前記デコーダの入力端子に入力されることを検知することで、前記デコーダの電源を低下させることを特徴とする半導体装置。 - 前記電源制御回路は、前記デコーダの入力端子と並列に接続される検知の入力端子を備え、該入力端子への入力を検知することで前記デコーダの電源を低下させることを特徴とする請求項1記載の半導体装置。
- 前記電源制御回路による電源の低下は、前記デコーダの電源端子と前記デコーダとの間を切断することによりなされることを特徴とする請求項1記載の半導体装置。
- 前記電源制御回路は、前記デコーダの電源端子と前記デコーダとの間を切断するためのスイッチ手段を少なくとも1つ含むことを特徴とする請求項3記載の半導体装置。
- 前記電源制御回路は、前記デコーダの電源端子と前記デコーダとの間を切断するための複数のスイッチ手段を含み、前記複数のスイッチ手段のうちの第1のスイッチ手段と第2のスイッチ手段は、共通の制御信号により制御されることを特徴とする請求項3記載の半導体装置。
- 前記電源制御回路は、前記スイッチ手段を制御する制御信号を生成する生成回路を含むことを特徴とする請求項4または請求項5記載の半導体装置。
- 前記電源制御回路は、前記デコーダの入力端子に入力される前記所定の組み合わせの信号に基づいて前記スイッチ手段を制御する制御信号を生成する生成回路を含むことを特徴とする請求項4または請求項5記載の半導体装置。
- 前記電源制御回路は、前記デコーダの入力端子と前記デコーダ間に、配線およびワイヤボンディングのうちのいずれか一方で接続されることを特徴とする請求項1から請求項7のいずれか一項に記載の半導体装置。
- 前記デコーダと前記電源制御回路と前記スイッチ回路とが単一または別のチップで形成されることを特徴とする請求項1から請求項8のいずれか一項に記載の半導体装置。
- 前記デコーダと電源制御回路が形成されたチップと前記スイッチ回路が形成されたチップとがワイヤボンディングで接続されることを特徴とする請求項1から請求項8のいずれか一項に記載の半導体装置。
- 前記デコーダと前記電源制御回路とが単一または別のチップで形成されることを特徴とする請求項1から請求項8のいずれか一項に記載の半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004235552A JP4115973B2 (ja) | 2004-08-12 | 2004-08-12 | 半導体装置および制御方法 |
US11/200,145 US7515946B2 (en) | 2004-08-12 | 2005-08-10 | Semiconductor device and control method for power saving |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004235552A JP4115973B2 (ja) | 2004-08-12 | 2004-08-12 | 半導体装置および制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006054723A JP2006054723A (ja) | 2006-02-23 |
JP4115973B2 true JP4115973B2 (ja) | 2008-07-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004235552A Expired - Lifetime JP4115973B2 (ja) | 2004-08-12 | 2004-08-12 | 半導体装置および制御方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7515946B2 (ja) |
JP (1) | JP4115973B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5467979B2 (ja) * | 2010-09-14 | 2014-04-09 | ルネサスエレクトロニクス株式会社 | 高周波モジュール |
KR101689556B1 (ko) | 2010-09-20 | 2016-12-26 | 삼성전자주식회사 | 계층적 전력 제어 회로, 이를 이용한 전력 제어 방법, 및 이를 포함하는 SoC 장치 |
US10732689B2 (en) * | 2013-07-09 | 2020-08-04 | Texas Instruments Incorporated | Controlling the number of powered vector lanes via a register field |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599729A (ja) | 1982-07-07 | 1984-01-19 | Mitsubishi Electric Corp | 半導体装置 |
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2004
- 2004-08-12 JP JP2004235552A patent/JP4115973B2/ja not_active Expired - Lifetime
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2005
- 2005-08-10 US US11/200,145 patent/US7515946B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7515946B2 (en) | 2009-04-07 |
JP2006054723A (ja) | 2006-02-23 |
US20060035683A1 (en) | 2006-02-16 |
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