WO2011065022A1 - 半導体集積回路 - Google Patents
半導体集積回路 Download PDFInfo
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- WO2011065022A1 WO2011065022A1 PCT/JP2010/006951 JP2010006951W WO2011065022A1 WO 2011065022 A1 WO2011065022 A1 WO 2011065022A1 JP 2010006951 W JP2010006951 W JP 2010006951W WO 2011065022 A1 WO2011065022 A1 WO 2011065022A1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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- the present invention relates to a semiconductor integrated circuit having first and second IO cell regions, and each IO cell region having at least one IO cell for inputting and outputting a signal having a first voltage amplitude. Is.
- the breakdown voltage of elements formed on a semiconductor integrated circuit has been decreasing year by year with the miniaturization of processes. Therefore, in order to maintain the reliability of the element, the voltage used in the internal circuit of the semiconductor integrated circuit tends to be lowered.
- the voltage used in components outside the internal circuit hereinafter referred to as “external components” in a system such as an electronic device remains at a conventional level. Therefore, the voltage of the signal transmitted / received to / from these external parts is at a level different from the voltage used in the internal circuit.
- a level shift circuit is provided in the IO cell so that a high voltage signal input / output to / from an external component is converted into a low voltage signal corresponding to the internal circuit by the level shift circuit in the IO cell.
- IO cells are arranged in duplicate on the periphery of the semiconductor integrated circuit so as to overlap the outside and the inside, a low voltage signal input / output between the outside IO cell and the internal circuit becomes inside. It passes through the use area of the high voltage signal in the IO cell, and is affected by the crosstalk caused by the high voltage signal. As a result, noise is generated in a signal input from the outer IO cell to the internal circuit.
- the low voltage signal output from the internal circuit toward the outer IO cell also passes through the use area of the high voltage signal in the inner IO cell, and is affected by crosstalk due to the high voltage signal.
- noise is generated in the signal output from the internal circuit to the external IO cell.
- the ratio between the voltage of the internal circuit and the voltage of the external component is more than three times, so that noise due to crosstalk further increases and there is a risk that the signal exchange will not be performed correctly. Arise.
- An object of the present invention is to prevent noise from being generated in a signal exchanged between an internal circuit and an IO cell in a semiconductor integrated circuit in which IO cells are arranged in an overlapping manner. .
- one embodiment of the present invention includes first and second IO cell regions, and an IO cell that inputs and outputs a signal having a first voltage amplitude in each IO cell region.
- a level shift circuit that converts the signal into a signal having the amplitude of the second voltage and outputs the signal, and an internal circuit that operates using the signal having the amplitude of the second voltage output by the level shift circuit.
- a signal wiring for inputting a signal output from the IO cell in the first IO cell region to the level shift circuit is provided between the IO cell in the first IO cell region and the level shift circuit.
- the signal output from the IO cell in the first IO cell region is not converted into the amplitude of the second voltage, and the IO of the second IO cell region is maintained with the amplitude of the first voltage. It passes on the cell or in the IO cell. Therefore, it is possible to reduce the influence of crosstalk caused by the signal in the IO cell in the second IO cell region with respect to the signal output by the IO cell in the first IO cell region.
- One embodiment of the present invention includes first and second IO cell regions, and each IO cell region includes at least one IO cell that inputs and outputs a signal having the amplitude of the first voltage.
- a semiconductor integrated circuit wherein the second IO cell region is sandwiched between an internal circuit that operates using a signal having the amplitude of the second voltage and the first IO cell region, A level shift circuit for converting a signal having the amplitude of the second voltage output from the internal circuit into a signal having the amplitude of the first voltage and outputting the signal, and an IO cell in the first IO cell region
- a signal wiring for inputting a signal output from the level shift circuit to an IO cell in the first IO cell region is provided on the IO cell in the second IO cell region or between the level shift circuit and the level shift circuit. Arranged to pass through the cell And wherein the door.
- the signal output by the internal circuit is converted into a signal having the amplitude of the first voltage and passes on or in the IO cell in the second IO cell region. Therefore, it is possible to reduce the influence of crosstalk caused by the signal in the IO cell in the second IO cell region with respect to the signal input to the IO cell in the first IO cell region.
- the influence of crosstalk caused by the signal in the IO cell in the second IO cell region with respect to the signal output by the IO cell in the first IO cell region is reduced, and the operation reliability of the semiconductor integrated circuit is improved. Can do.
- FIG. 1 is a plan view of a semiconductor integrated circuit according to Embodiment 1 of the present invention.
- FIG. 2 is an explanatory diagram illustrating a passage path of the high voltage signal wiring according to the first embodiment of the present invention.
- FIG. 3 is a circuit diagram showing a configuration of the IO cell according to the first embodiment of the present invention.
- FIG. 4 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 5 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 6 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 1 is a plan view of a semiconductor integrated circuit according to Embodiment 1 of the present invention.
- FIG. 2 is an explanatory diagram illustrating a passage path of the high voltage signal wiring according to the first embodiment of the present invention.
- FIG. 3 is a circuit diagram showing a configuration of
- FIG. 7 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 8 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 9 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 10 is a plan view of a semiconductor integrated circuit according to a modification of the first embodiment of the present invention.
- FIG. 11 is a plan view of a semiconductor integrated circuit according to Embodiment 2 of the present invention.
- FIG. 12 is a plan view of a semiconductor integrated circuit according to Embodiment 2 of the present invention.
- FIG. 1 shows a semiconductor integrated circuit (semiconductor chip) 10 according to Embodiment 1 of the present invention.
- the semiconductor integrated circuit 10 is formed in a square shape, and at the periphery thereof, a plurality of IO cells 11 are doubled (in two stages) with no gaps so as to overlap the outer side and the inner side. Yes.
- Each IO cell 11 outputs a signal having an amplitude of 3.3 V (first voltage) to an external component of the semiconductor integrated circuit 10 and has an amplitude of 3.3 V input from the external component. Receive a signal.
- An outer region where the IO cells 11 are arranged constitutes a first annular IO cell region 12a having a rectangular shape, and an inner region where the IO cells 11 are arranged constitutes a second annular IO cell region 12b having a rectangular shape. Yes.
- a plurality of level shift circuits 15 are arranged in a square ring double (in two stages) without gaps.
- the level shift circuit 15 arranged converts the signal output from the IO cell 11 in the first IO cell region 12a into a signal having an amplitude of 1.0 V (second voltage) lower than 3.3V. And a signal output from the IO cell 11 in the second IO cell region 12b after being converted into a signal having an amplitude of 1.0V.
- the region where these level shift circuits 15 are arranged constitutes a level shift circuit region 17, and the second IO cell region 12b is sandwiched between the level shift circuit region 17 and the first IO cell region 12a.
- the first voltage signal wiring 14a that is input to the level shift circuit 15 is disposed so as to pass over the IO cells 11 in the second IO cell region 12b. In FIG. 1, only one first voltage signal line 14a is shown, and the other first voltage signal lines 14a are not shown. Note that the first voltage signal wiring 14 a may be disposed so as to pass through the IO cell 11 instead of on the IO cell 11.
- the internal circuit 13 that operates using a signal having an amplitude of 1.0 V output from the level shift circuit 15 is disposed.
- the internal circuit 13 includes a signal processing circuit, a memory circuit, and the like (not shown), and outputs a signal having an amplitude of 1.0V.
- a second voltage signal wiring 14 b for inputting a signal having an amplitude of 1.0 V output from the level shift circuit 15 to the internal circuit 13 is disposed. Yes.
- FIG. 3 shows the configuration of the IO cell 11.
- the IO cell 11 is used to prevent external bonding pads 31 that are contacts between the semiconductor integrated circuit 10 and the outside, an input buffer 33 and an output buffer 34 that exchange signals with the internal circuit 13, and damage from static electricity from the outside.
- An electrostatic protection circuit 32 is provided. All these configurations are not essential for the IO cell 11, and the IO cell 11 may have a configuration other than the above configuration. Further, the IO cell 11 may constitute a power cell.
- a signal having an amplitude of 3.3 V input from the outside to the IO cell 11 in the first IO cell region 12a is input to the IO cell in the second IO cell region 12b.
- 11 is input to the level shift circuit 15 through the first voltage signal wiring 14a passing over the top.
- the level shift circuit 15 converts a signal having an amplitude of 3.3V into a signal having an amplitude of 1.0V that is the operating voltage of the internal circuit 13, and outputs the signal.
- a signal having an amplitude of 1.0 V output from the level shift circuit 15 is input to the internal circuit 13 via the second voltage signal wiring 14b.
- the voltage of the first voltage signal wiring 14a passing over the IO cell 11 in the second IO cell region 12b and the operating voltage of the IO cell 11 in the second IO cell region 12b are both 3. Equal at 3V. Therefore, the influence of crosstalk caused by the signal in the IO cell 11 in the second IO cell region 12b generated in the signal of the first voltage signal wiring 14a can be reduced, and the operation reliability of the semiconductor integrated circuit 10 can be improved.
- the IO cell 11 is formed over the entire periphery of the peripheral portion of the semiconductor integrated circuit 10, but as shown in FIG. You may form in.
- the outer and inner IO cells 11 may not be formed on one of the four sides.
- the outer and inner IO cells 11 may be formed only on a part of one of the four sides.
- the level shift circuit 15 may be formed on only one of the four sides. In this case, in the region where the level shift circuit 15 is disposed between the second IO cell region 12b and the internal circuit 13, the influence of crosstalk is reduced as in the first embodiment, and the semiconductor integrated circuit 10 The reliability of operation can be improved.
- the level shift circuit 15 may be arranged in a single layer. Thereby, the total area of the level shift circuit region 17 can be reduced, and the chip size can be further reduced. Such a configuration is useful when a plurality of IO cells 11 are connected to one level shift circuit 15.
- level shift circuit 15 may be arranged to be more than triple.
- the IO cells 11 are arranged without gaps, but the IO cells 11 may be arranged so that gaps are formed between the IO cells 11 as shown in FIG.
- the level shift circuit 15 is arranged without a gap.
- the level shift circuit 15 is arranged so that a gap is formed between the level shift circuits 15. Also good.
- the IO cell regions are provided twice. However, the IO cell regions may be provided more than triple.
- a third IO cell region 12c in which a plurality of IO cells 11 are formed is further provided inside the second IO cell region 12b, and the third IO cell region 12c is provided in the level shift circuit region 17.
- a level shift circuit that converts the signal output from the IO cell 11 in the cell region 12c into a signal having an amplitude of 1.0 V and outputs the signal may be provided.
- the semiconductor integrated circuit 10 is configured to operate with two types of voltages of 3.3 V and 1.0 V.
- the semiconductor integrated circuit 10 may be configured to operate with three or more types of voltages.
- the level shift circuit 15 may perform both voltage conversion from 3.3V to 1.2V and voltage conversion from 1.2V to 0.6V.
- a plurality of types of level shift circuits that handle different voltages may be provided in the level shift circuit region 17.
- a level shift circuit that performs voltage conversion from 3.3 V to 1.0 V and voltage conversion from 1.0 V to 3.3 V, and voltage conversion from 5.0 V to 1.0 V, and 1. Both level shift circuits that perform voltage conversion from 0 V to 5.0 V may be provided.
- the semiconductor integrated circuit 10 operates with a fixed voltage.
- the semiconductor integrated circuit 10 may operate with a variable voltage corresponding to substrate bias control (Dynamic Voltage and Frequency Frequency: DVFS).
- FIG. 11 shows a semiconductor integrated circuit 20 according to Embodiment 2 of the present invention.
- internal circuit power supply wirings 21 are arranged in a grid pattern so as to cover the entire internal circuit 13.
- These internal circuit power supply lines 21 supply an internal circuit power supply (second voltage) of 1.0 V to the internal circuit 13 and the level shift circuit 15 in the level shift circuit region 17.
- solder balls 22 are arranged in a matrix as shown in FIG. Via these solder balls 22, external signals and power are supplied to the inside of the semiconductor integrated circuit 20. Also, among the solder balls 22, those assigned to the rectangular central region R (hereinafter referred to as “internal circuit power supply solder balls 23”) are connected to the internal circuit power supply wiring 21 via vias and wiring (not shown). Connected.
- the level shift circuit 15 is disposed between the second IO cell region 12b and the internal circuit 13, an internal circuit power supply wiring 21 for supplying a signal having an amplitude of 1.0 V to the level shift circuit 15 is provided. There is no need to expand to the IO cell 11 in the first IO cell region 12a outside the second IO cell region 12b to which a signal having an amplitude of 3.3V is input / output.
- the 1.0 V amplitude signal and the power source transmitted via the internal circuit power supply wiring 21 are the first and second IO cell regions to which the 3.3 V amplitude signal is input and output. It does not pass through 12a and 12b. Therefore, the influence of crosstalk can be reduced and the operational reliability of the semiconductor integrated circuit 20 can be increased. This effect is particularly remarkable when the internal circuit power supply wiring 21 is arranged by applying area pad mounting, flip mounting or the like in which the active region of the semiconductor element is arranged below the bonding pad.
- the internal circuit power supply solder balls 23 are arranged in a matrix in the entire central region R, but may be disposed only in a part of the central region R.
- the internal circuit power supply wiring 21 is formed in a grid pattern.
- the internal circuit power supply wiring 21 is not limited to this shape, and the internal circuit power supply is level-shifted in the internal circuit 13 and the level shift circuit region 17. Any shape that can be supplied to the circuit 15 may be used.
- the arrangement method of the solder balls 22 is not limited to a matrix.
- the amplitude (3.3 V) of the signal input / output by the IO cell 11 is higher than the amplitude (1.0 V) of the signal used by the internal circuit 13.
- the amplitude of the signal used by the internal circuit 13 may be made higher than the amplitude of the signal input / output by. Even in this case, as in the first and second embodiments, it is possible to reduce the influence of crosstalk and improve the reliability of the operation of the semiconductor integrated circuits 10 and 20.
- the first voltage signal wiring 14 a inputs the signal output from the IO cell 11 in the first IO cell region 12 a to the level shift circuit 15, and the internal circuit 13 is the level shift circuit 15. It came to operate
- the level shift circuit 15 converts the signal having the amplitude of 1.0V output from the internal circuit 13 into the signal having the amplitude of 3.3V and outputs the signal
- the first voltage signal wiring 14a is A signal having an amplitude of 3.3 V output from the level shift circuit 15 may be input to the IO cell 11 in the first IO cell region 12a.
- Such functions of the level shift circuit 15 and the first voltage signal wiring 14a may be provided instead of the functions of the level shift circuit 15 and the first voltage signal wiring 14a of the first and second embodiments. In addition to the functions of the second level shift circuit 15 and the first voltage signal wiring 14a, they may be provided.
- the level shift circuit 15 converts the signal having the amplitude of 1.0V output from the internal circuit 13 into the signal having the amplitude of 3.3V.
- the first voltage signal wiring 14a that outputs the signal having the amplitude of 3.3 V output by the level shift circuit 15 may be provided to the IO cell 11 in the third IO cell region 12c.
- the semiconductor integrated circuit according to the present invention relates to a semiconductor integrated circuit having a level shift circuit, and is particularly useful when the IO cell region is arranged so as to overlap the peripheral portion.
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Abstract
Description
図1は、本発明の実施形態1に係る半導体集積回路(半導体チップ)10を示す。この半導体集積回路10は方形に形成され、その周縁部には、全周に亘って、複数のIOセル11が外側と内側とに重なるように二重に(二段に)隙間なく配置されている。各IOセル11は、半導体集積回路10の外部の部品に対し、3.3V(第1の電圧)の振幅を持つ信号を出力するとともに、外部の部品から入力される3.3Vの振幅を持つ信号を受信する。IOセル11の配置された外側の領域が方形環状の第1のIOセル領域12aを構成し、IOセル11の配置された内側の領域が方形環状の第2のIOセル領域12bを構成している。
なお、上記実施形態1では、半導体集積回路10の周縁部の全周に亘ってIOセル11を形成したが、図4に示すように、内側のIOセル11を4辺のうちの1辺のみに形成してもよい。
図11は、本発明の実施形態2に係る半導体集積回路20を示す。この半導体集積回路20では、内部回路13全体を覆うように内部回路電源配線21が格子状に張り巡らされている。これら内部回路電源配線21は、内部回路13とレベルシフト回路領域17内のレベルシフト回路15とに1.0Vの内部回路電源(第2の電圧)を供給する。
11 IOセル
12a 第1のIOセル領域
12b 第2のIOセル領域
12c 第3のIOセル領域
13 内部回路
14a 第1電圧信号配線(信号配線)
15 レベルシフト回路
20 半導体集積回路
21 内部回路電源配線
Claims (15)
- 第1及び第2のIOセル領域を有し、各IOセル領域に、第1の電圧の振幅を持つ信号の入出力を行うIOセルが1つ以上形成された半導体集積回路であって、
前記第1のIOセル領域とで前記第2のIOセル領域を挟むように配置され、前記第1のIOセル領域のIOセルにより出力された信号を第2の電圧の振幅を持つ信号に変換して出力するレベルシフト回路と、
前記レベルシフト回路により出力された第2の電圧の振幅を持つ信号を用いて動作する内部回路とを備え、
前記第1のIOセル領域のIOセルとレベルシフト回路との間には、前記第1のIOセル領域のIOセルにより出力された信号を前記レベルシフト回路に入力する信号配線が、前記第2のIOセル領域のIOセル上又はIOセル内を通過するように配設されていることを特徴とする半導体集積回路。 - 第1及び第2のIOセル領域を有し、各IOセル領域に、第1の電圧の振幅を持つ信号の入出力を行うIOセルが1つ以上形成された半導体集積回路であって、
前記第2の電圧の振幅を持つ信号を用いて動作する内部回路と、
前記第1のIOセル領域とで前記第2のIOセル領域を挟むように配置され、前記内部回路により出力された前記第2の電圧の振幅を持つ信号を第1の電圧の振幅を持つ信号に変換して出力するレベルシフト回路とを備え、
前記第1のIOセル領域のIOセルとレベルシフト回路との間には、前記レベルシフト回路により出力された信号を前記第1のIOセル領域のIOセルに入力する信号配線が、前記第2のIOセル領域のIOセル上またはIOセル内を通過するように配設されていることを特徴とする半導体集積回路。 - 請求項1又は2に記載の半導体集積回路において、
前記第1のIOセル領域と前記レベルシフト回路との間には、前記第1の電圧の振幅を持つ信号の入出力を行うIOセルが1つ以上形成された第3のIOセル領域が配置されていることを特徴とする半導体集積回路。 - 請求項1~3のいずれか1項に記載の半導体集積回路において、
方形に形成され、
前記第1のIOセル領域は、前記半導体集積回路の周縁部に当該半導体集積回路の少なくとも1辺に沿って配置されていることを特徴とする半導体集積回路。 - 請求項4に記載の半導体集積回路において、
前記第1のIOセル領域は、前記半導体集積回路の周縁部に全周に亘って配置されていることを特徴とする半導体集積回路。 - 請求項1~3のいずれか1項に記載の半導体集積回路において、
前記レベルシフト回路は、二重以上に重ねて配置されていることを特徴とする半導体集積回路。 - 請求項1又は2に記載の半導体集積回路において、
前記第1のIOセル領域とで前記第2のIOセル領域を挟むように配置され、前記第2のIOセル領域のIOセルにより出力された信号を第2の電圧の振幅を持つ信号に変換して出力する機能、及び前記内部回路により出力された前記第2の電圧の振幅を持つ信号を第1の電圧の振幅を持つ信号に変換して出力する機能のうちの少なくとも一方を備えたレベルシフト回路をさらに備えていることを特徴とする半導体集積回路。 - 請求項3に記載の半導体集積回路において、
前記第1のIOセル領域とで前記第3のIOセル領域を挟むように配置され、前記第3のIOセル領域のIOセルにより出力された信号を第2の電圧の振幅を持つ信号に変換して出力する機能、及び前記内部回路により出力された前記第2の電圧の振幅を持つ信号を第1の電圧の振幅を持つ信号に変換して出力する機能のうちの少なくとも一方を備えたレベルシフト回路をさらに備えていることを特徴とする半導体集積回路。 - 請求項1~3のいずれか1項に記載の半導体集積回路において、
前記第2のIOセル領域に形成されたIOセルは、前記第1のIOセル領域に形成されたIOセルと前記レベルシフト回路との間に位置していることを特徴とする半導体集積回路。 - 請求項1~9のいずれか1項に記載の半導体集積回路において、
前記第1の電圧は、前記第2の電圧よりも高いことを特徴とする半導体集積回路。 - 請求項1又は10に記載の半導体集積回路において、
前記レベルシフト回路に前記第2の電圧を供給する電源配線をさらに備えていることを特徴とする半導体集積回路。 - 請求項11に記載の半導体集積回路において、
前記電源配線は、格子状に形成されていることを特徴とする半導体集積回路。 - 請求項11又は12に記載の半導体集積回路において、
前記内部回路には、前記電源配線に前記第2の電圧を供給するパッドが実装されていることを特徴とする半導体集積回路。 - 請求項13に記載の半導体集積回路において、
前記パッドは、前記電源配線に電源を供給することを特徴とする半導体集積回路。 - 請求項13又は14に記載の半導体集積回路において、
前記パッドは、エリアパッドであることを特徴とする半導体集積回路。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2011522335A JP5530439B2 (ja) | 2009-11-30 | 2010-11-29 | 半導体集積回路 |
CN201080003951.4A CN102272917B (zh) | 2009-11-30 | 2010-11-29 | 半导体集成电路 |
US13/177,805 US8344786B2 (en) | 2009-11-30 | 2011-07-07 | Semiconductor integrated circuit |
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JP2009271388 | 2009-11-30 | ||
JP2009-271388 | 2009-11-30 |
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US13/177,805 Continuation US8344786B2 (en) | 2009-11-30 | 2011-07-07 | Semiconductor integrated circuit |
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WO2011065022A1 true WO2011065022A1 (ja) | 2011-06-03 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/006951 WO2011065022A1 (ja) | 2009-11-30 | 2010-11-29 | 半導体集積回路 |
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US (1) | US8344786B2 (ja) |
JP (1) | JP5530439B2 (ja) |
CN (1) | CN102272917B (ja) |
WO (1) | WO2011065022A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020065905A1 (ja) * | 2018-09-28 | 2020-04-02 | 株式会社ソシオネクスト | 半導体集積回路装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9391032B2 (en) | 2013-11-27 | 2016-07-12 | Samsung Electronics Co., Ltd. | Integrated circuits with internal pads |
CN113745213B (zh) * | 2020-05-29 | 2023-12-08 | 龙芯中科技术股份有限公司 | 一种芯片和电子设备 |
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JPH02310946A (ja) * | 1989-05-26 | 1990-12-26 | Hitachi Ltd | 半導体集積回路装置 |
JPH04127556A (ja) * | 1990-09-19 | 1992-04-28 | Fujitsu Ltd | 半導体集積回路 |
JPH0613588A (ja) * | 1992-06-25 | 1994-01-21 | Seiko Epson Corp | マスタスライス方式の半導体装置 |
JPH09153551A (ja) * | 1995-11-30 | 1997-06-10 | Seiko Epson Corp | 半導体装置 |
JP2000021987A (ja) * | 1998-06-29 | 2000-01-21 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP2004273607A (ja) * | 2003-03-06 | 2004-09-30 | Fujitsu Ltd | 半導体集積回路 |
JP2007035672A (ja) * | 2005-07-22 | 2007-02-08 | Renesas Technology Corp | 半導体集積回路装置 |
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JPH0650761B2 (ja) * | 1986-08-12 | 1994-06-29 | 富士通株式会社 | 半導体装置 |
US5134314A (en) * | 1990-12-18 | 1992-07-28 | Vlsi Technology, Inc. | Automatic pin circuitry shutoff for an integrated circuit |
US5461333A (en) * | 1993-03-15 | 1995-10-24 | At&T Ipm Corp. | Multi-chip modules having chip-to-chip interconnections with reduced signal voltage level and swing |
JP3796034B2 (ja) * | 1997-12-26 | 2006-07-12 | 株式会社ルネサステクノロジ | レベル変換回路および半導体集積回路装置 |
JP3433731B2 (ja) * | 2000-11-10 | 2003-08-04 | セイコーエプソン株式会社 | I/oセル配置方法及び半導体装置 |
US7165232B2 (en) * | 2003-12-11 | 2007-01-16 | Faraday Technology Corp. | I/O circuit placement method and semiconductor device |
JP4671739B2 (ja) * | 2005-04-05 | 2011-04-20 | パナソニック株式会社 | 半導体集積回路装置及びこれに備えるi/oセル |
-
2010
- 2010-11-29 JP JP2011522335A patent/JP5530439B2/ja not_active Expired - Fee Related
- 2010-11-29 CN CN201080003951.4A patent/CN102272917B/zh not_active Expired - Fee Related
- 2010-11-29 WO PCT/JP2010/006951 patent/WO2011065022A1/ja active Application Filing
-
2011
- 2011-07-07 US US13/177,805 patent/US8344786B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02310946A (ja) * | 1989-05-26 | 1990-12-26 | Hitachi Ltd | 半導体集積回路装置 |
JPH04127556A (ja) * | 1990-09-19 | 1992-04-28 | Fujitsu Ltd | 半導体集積回路 |
JPH0613588A (ja) * | 1992-06-25 | 1994-01-21 | Seiko Epson Corp | マスタスライス方式の半導体装置 |
JPH09153551A (ja) * | 1995-11-30 | 1997-06-10 | Seiko Epson Corp | 半導体装置 |
JP2000021987A (ja) * | 1998-06-29 | 2000-01-21 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP2004273607A (ja) * | 2003-03-06 | 2004-09-30 | Fujitsu Ltd | 半導体集積回路 |
JP2007035672A (ja) * | 2005-07-22 | 2007-02-08 | Renesas Technology Corp | 半導体集積回路装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020065905A1 (ja) * | 2018-09-28 | 2020-04-02 | 株式会社ソシオネクスト | 半導体集積回路装置 |
CN112789720A (zh) * | 2018-09-28 | 2021-05-11 | 株式会社索思未来 | 半导体集成电路装置 |
JPWO2020065905A1 (ja) * | 2018-09-28 | 2021-08-30 | 株式会社ソシオネクスト | 半導体集積回路装置 |
JP7152684B2 (ja) | 2018-09-28 | 2022-10-13 | 株式会社ソシオネクスト | 半導体集積回路装置 |
CN112789720B (zh) * | 2018-09-28 | 2024-05-10 | 株式会社索思未来 | 半导体集成电路装置 |
US11990464B2 (en) | 2018-09-28 | 2024-05-21 | Socionext Inc. | Semiconductor integrated circuit device including opposite facing I/O cells in 2×2 columns |
Also Published As
Publication number | Publication date |
---|---|
CN102272917A (zh) | 2011-12-07 |
US8344786B2 (en) | 2013-01-01 |
US20110285448A1 (en) | 2011-11-24 |
CN102272917B (zh) | 2014-03-19 |
JP5530439B2 (ja) | 2014-06-25 |
JPWO2011065022A1 (ja) | 2013-04-11 |
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