WO2007102239A1 - 半導体集積回路 - Google Patents
半導体集積回路 Download PDFInfo
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- WO2007102239A1 WO2007102239A1 PCT/JP2006/319533 JP2006319533W WO2007102239A1 WO 2007102239 A1 WO2007102239 A1 WO 2007102239A1 JP 2006319533 W JP2006319533 W JP 2006319533W WO 2007102239 A1 WO2007102239 A1 WO 2007102239A1
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- circuit
- pad
- semiconductor integrated
- integrated circuit
- side transistor
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 128
- 230000001172 regenerating effect Effects 0.000 claims description 47
- 230000015556 catabolic process Effects 0.000 claims description 20
- 230000003071 parasitic effect Effects 0.000 description 10
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000758 substrate Substances 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
- H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
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- H—ELECTRICITY
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- 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
- H01L27/04—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 the substrate being a semiconductor body
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
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- 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
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
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- 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
- H01L27/04—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 the substrate being a semiconductor body
- H01L27/06—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0611—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0629—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with diodes, or resistors, or capacitors
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- 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
- H01L27/04—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 the substrate being a semiconductor body
- H01L27/10—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 the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/118—Masterslice integrated circuits
- H01L27/11803—Masterslice integrated circuits using field effect technology
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
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- 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
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
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- H01L24/01—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
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H01L2924/13—Discrete devices, e.g. 3 terminal devices
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- H01L2924/1305—Bipolar Junction Transistor [BJT]
- H01L2924/13055—Insulated gate bipolar transistor [IGBT]
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- H01L2924/3025—Electromagnetic shielding
Definitions
- the present invention relates to a semiconductor integrated circuit, and more particularly to a layout of a multi-channel semiconductor integrated circuit for driving a capacitive load such as a plasma display.
- a MOS output circuit As an output circuit used for a multi-channel semiconductor integrated circuit, a MOS output circuit, an IGBT output circuit, a non-sideless MOS output circuit, or a high sideless IGBT output circuit is known.
- cells of these output circuits are laid out as standard cells.
- FIGS. 13 (a) and 13 (b) As shown, pad 108 is disposed at the lower side (directed downward to the paper surface), and low side transistor 111, high side transistor 110, level shift circuit 112, and predriver 113 are disposed at the upper stage (upper side toward paper surface).
- the components (111, 110, 112, 113) of the standard cell 116 are electrically connected to the pad 108 via the two-layer interconnection 114 or the one-layer interconnection 115 (the above See, for example, Patent Document 1).
- 119 is a drain region of the high side transistor
- 120 is a source region of the high side transistor
- 121 is a through hole
- 122 is a drain region of the low side transistor.
- 123 is a source region of the low side transistor.
- Patent Document 1 Japanese Patent Application Laid-Open No. 1 18239
- Such a problem occurs not only in the case of an output circuit including a MOS driver but also occurs in the case of an output circuit including an IGBT driver, a high sideless MOS driver, or a high sideless IGBT driver described above. It is a problem.
- the semiconductor integrated circuit according to the first aspect of the present invention is a semiconductor integrated circuit including a plurality of circuit cells each having a node on a semiconductor chip, wherein the circuit cells are A high side transistor, a level shift circuit for driving the high side transistor, a high breakdown voltage driver including the low side transistor, a predriver for driving the high breakdown voltage driver, and a node; Are placed opposite to each other via the nod.
- the high side transistor, the pad, the low side transistor, the level shift circuit, and the predriver be arranged in a straight line.
- a control unit disposed at a central portion of a semiconductor chip is opposed to a first circuit cell row including a plurality of circuit cells via the control unit. And a second circuit cell row comprising a plurality of circuit cells.
- a first power supply pad for high voltage and a reference potential which are disposed at both ends of each of the first circuit cell row and the second circuit cell row.
- a second power supply pad for the first circuit cell, and a high voltage potential first electrode disposed on each of the high side transistors in the first circuit cell row and the second circuit cell row and electrically connected to the first power supply pad;
- a second wire of a reference potential disposed on each of the low side transistors in the first circuit cell row and the second circuit cell row and electrically connected to the second power supply pad.
- the semiconductor integrated circuit further includes a third wiring of a reference potential arranged to surround a control unit arranged in the center of the semiconductor chip.
- the level shift circuit and the predriver are designed to be within the cell width of the low side transistor.
- a semiconductor integrated circuit is a semiconductor integrated circuit including a plurality of circuit cells each having a pad on a semiconductor chip, wherein the circuit cells include high-side transistors and high-side transistors.
- a high-side regeneration circuit is equipped with a high-voltage driver consisting of a level shift circuit that drives side transistors, a high-side regenerative diode, a low-side transistor, and a low-side regenerative diode, a predriver that drives the high-voltage driver, and a node.
- the diode and the low side regenerative diode are disposed to face each other via the node.
- the high side regenerative diode, the node, the low side regenerative diode, the low side transistor, the high side transistor, the level shift circuit, and the predriver are arranged in a straight line. Is preferred.
- the control unit disposed in the central portion of the semiconductor chip is opposed to the first circuit cell row consisting of a plurality of circuit cells via the control unit. And a second circuit cell row comprising a plurality of circuit cells.
- a first power supply pad for high voltage and a reference potential which are disposed at both ends of each of the first circuit cell row and the second circuit cell row.
- a second power supply pad for the second circuit cell and a high side regenerative diode on each of the first circuit cell row and the second circuit cell row and electrically connected to the first power supply pad
- a second wire of a reference potential disposed on each of the low side transistors in the first circuit cell row and the second circuit cell row and electrically connected to the second power supply pad
- the semiconductor integrated circuit further includes a third wiring of a reference potential arranged to surround the control unit arranged in the center of the semiconductor chip.
- a level shift circuit and a precharge circuit are provided.
- the driver is designed to fit within the cell width of the low side transistor.
- a semiconductor integrated circuit is a semiconductor integrated circuit including a plurality of circuit cells each having a pad on a semiconductor chip, wherein the circuit cell is an ESD protection element, And a low-side transistor, a pre-driver for driving the high-voltage driver, and a node, and the ESD protection element and the low-side transistor are disposed to face each other via the pad. .
- the ESD protection element, the pad, the gate side transistor, and the predriver are arranged in a straight line.
- the control unit disposed in the central portion of the semiconductor chip is opposed to the first circuit cell row consisting of a plurality of circuit cells via the control unit. And a second circuit cell row comprising a plurality of circuit cells.
- a first power supply pad for high voltage potential and a reference potential which are disposed at both ends of each of the first circuit cell row and the second circuit cell row.
- a second wire of a reference potential disposed on each of the low side transistors in the first circuit cell row and the second circuit cell row and electrically connected to the second power supply pad.
- the semiconductor integrated circuit according to the third aspect of the present invention further includes a third wire of a reference potential arranged to surround the control unit arranged at the central portion of the semiconductor chip.
- the level shift circuit and the predriver are designed to be within the cell width of the low side transistor.
- the semiconductor integrated circuit according to the fourth aspect of the present invention is a semiconductor integrated circuit including a plurality of circuit cells each having a pad on a semiconductor chip, wherein the circuit cell is an ESD protection element, High-voltage driver consisting of low-side regenerative diode and low-side transistor, pre-driver for driving high-voltage driver, and pad
- High-voltage driver consisting of low-side regenerative diode and low-side transistor
- pre-driver for driving high-voltage driver
- pad The id regenerative diode is disposed to face the pad via the pad.
- the ESD protection element, the pad, the single-side regenerative diode, the low side transistor, and the predriver are preferably arranged in a straight line! Better!/,.
- the control unit disposed in the central portion of the semiconductor chip is opposed to the first circuit cell row consisting of a plurality of circuit cells via the control unit. And a second circuit cell row comprising a plurality of circuit cells.
- a first power supply pad for high voltage and a reference potential which are disposed at both ends of each of the first circuit cell row and the second circuit cell row.
- a second wire of a reference potential disposed on each of the low side transistors in the first circuit cell row and the second circuit cell row and electrically connected to the second power supply pad.
- the semiconductor integrated circuit further includes a third wiring of a reference potential arranged to surround the control unit arranged in the central part of the semiconductor chip.
- the level shift circuit and the predriver are designed to be within the cell width of the low side transistor.
- electrostatic breakdown that occurs when an abnormal input such as a surge voltage is applied to a pad that constitutes a circuit cell can be suppressed.
- the chip size can be reduced.
- the length of the bonding wire that connects a large number of nodes and the outer periphery of the chip can be shortened.
- FIG. 1 is a view showing an example of the circuit configuration of an output circuit including a MOS driver having a pad according to a first embodiment of the present invention.
- FIG. 2 (a) and (b) are enlarged plan views of the output circuit cell in the first embodiment of the present invention It is.
- FIG. 4 A diagram showing an example of a circuit configuration of an output circuit including an IGBT driver having a pad according to a second embodiment of the present invention.
- FIG. 6 is a plan view showing a layout of a semiconductor integrated circuit according to a second embodiment of the present invention.
- FIG. 7 is a diagram showing a circuit configuration example of an output circuit including a high sideless MOS driver having a pad according to a third embodiment of the present invention.
- FIG. 9 A plan view showing a layout of a semiconductor integrated circuit according to a third embodiment of the present invention.
- FIG. 10 A diagram showing an example of a circuit configuration of an output circuit including a high sideless IGBT driver having a pad according to a fourth embodiment of the present invention.
- FIG. 11 (a) and (b) are enlarged plan views of an output circuit cell in a fourth embodiment of the present invention.
- FIG. 12 is a plan view showing a layout of a semiconductor integrated circuit according to a fourth embodiment of the present invention.
- FIG. 13 (a) and (b) are enlarged plan views of a conventional output circuit cell.
- High-side transistor drain region High-side transistor source region
- Gate protection circuit 35 High-side transistor emitter area
- FIG. 1 is a basic circuit configuration diagram of an output circuit 25a constituting an output circuit cell in a multi-channel semiconductor integrated circuit according to a first embodiment of the present invention.
- the output circuit 25a includes a MOS driver 45, a level shift circuit 12, and a predriver 13.
- the MOS driver 45 includes a high side transistor 10, a back gate-drain parasitic diode 26 that is a parasitic element of the high side transistor 10, a low side transistor 11, and a back gate that is a parasitic element of the low side transistor 11.
- a drain-to-drain parasitic diode 27 and a node 8 are formed.
- the pad 4 of the high-voltage power supply 4 is connected to the side transistor 10, the pad 5 of the reference potential is connected to the low side transistor 11, and the input terminal 24 is connected to the predriver 13.
- the high side transistor 10 is for high level output
- the low side transistor 11 is for low level output.
- FIGS. 2 (a) and 2 (b) show the layout of the output circuit cell 16A constituting the output circuit 25a.
- the layout of the output circuit cell 16A is characterized in that the high side transistor 10, the low side transistor 11 and the force pad 8 are disposed to face each other.
- the high-side transistor 10 constituting the back gate-drain parasitic diode 26 also serving as an ESD protection element is disposed on one side of the pad 8 with the other side.
- the low side transistor 11 constituting the parasitic diode 27 the pad is arranged at one end as in the conventional example, and from the lower stage (lower side to the paper surface, the same applies hereinafter) to the upper stage (upper surface to the paper surface).
- the high side transistor 10 is disposed on the lower side with the pad 8 in between, and toward the upper side with the pad 8 in between.
- the low side transistor 11, the level shift circuit 12 and the predriver 13 are sequentially arranged.
- a current due to a negative surge below the reference potential flows from the pad 8 closest to the body diode of the low-side transistor, while a current due to a positive surge exceeding the power supply voltage is the closest to the pad 8 high. Since the current flows to the body diode of the side transistor 10, the resistance to electrostatic breakdown can be improved.
- the high side transistor 10, the node 8, the low side transistor 11, the level shift circuit 12, and the predriver 13 are arranged in a straight line.
- the level shift circuit 12 and the predriver 13 are designed to be within the cell width of the low side transistor 11 having the largest cell width, and more specifically, as shown in FIGS. 2 (a) and 2 (b).
- high integration of the semiconductor integrated circuit is realized.
- 20 is a source region of the high side transistor 10
- 19 is a drain region of the high side transistor 10
- 21 is a through hole
- 22 is a low-size transistor.
- Reference numeral 23 denotes a drain region of the drain transistor 11, and reference numeral 23 denotes a source region of the low side transistor 11.
- FIG. 3 is a plan view of a multi-channel semiconductor integrated circuit in which the output circuit cells 16 A having the above layout are arranged on the semiconductor chip 1.
- a low breakdown voltage control unit 6 for performing output timing control by an input control circuit or the like is disposed in the center on the semiconductor chip 1 and the low breakdown voltage control unit 6 is disposed.
- the plurality of output circuit cells 16A are disposed along the chip side so as to face each other via the bus, and the low withstand voltage control unit 6 and each of the output circuit cells 16A are connected by the bus wiring 7.
- the control signal from the low withstand voltage control unit 6 is transmitted to the predriver 13 using the bus wiring 7.
- the pad 4 of the high voltage power supply and the pad 5 of the reference potential are disposed at both ends of the plurality of output circuit cells 16A.
- the layout of the plurality of output circuit cells 16A may be various layouts such that the bonding wires connected to the pads 8 which are not limited to those shown in the drawings do not contact with each other.
- the wiring 3a of the reference potential is formed, and the wiring 3a is a reference potential of the reference potential arranged on both sides of the plurality of output circuit cells 16A.
- the high voltage potential wiring 2 is formed on the high side transistor 10 in the output circuit cell 16A, and the high voltage potential wiring 2 is disposed on both sides of the plurality of output circuit cells 16A. Connected to pad 4 of high voltage power supply.
- the pads 5 of the reference potential and the pads 4 of the high voltage power supply arranged on both sides of the plurality of output circuit cells 16A in the semiconductor chip 1 are wire-bonded from the package, the pads 5 of the reference potential And the potential of the pad 4 of the high voltage power supply is stable.
- the wiring impedance of the wiring 3a of the reference potential and the wiring 2 of the high voltage potential can be reduced, and the reference potential and high voltage of each output circuit cell 16A can be obtained even when the output of each channel is large.
- the potential is stable and uniform output characteristics and ESD tolerance can be obtained.
- the input control pad 9 is disposed on one end side in the length direction in the low withstand voltage control unit 6, and the pad 5 of the reference potential is disposed on the other end side. . Furthermore, on the low withstand voltage control unit 6, the wiring 3b of the reference potential is formed so as to be surrounded in three directions except the input control pad 9 side. Reference potential wiring 3b It has a role as a shield that prevents external noise introduced from the ground 8 from being transmitted to the low withstand voltage control unit 6 through the output circuit cell 16A. As a result, the signal input from the low withstand voltage control unit 6 to the predriver 13 is stabilized, and the output characteristics are stabilized.
- FIG. 4 shows an example of a basic circuit configuration of an output circuit 25b constituting an output circuit cell in a semiconductor integrated circuit according to a second embodiment of the present invention.
- the output circuit 25 b includes an IGBT driver 46, a level shift circuit 12 and a predriver 13.
- the IGBT dry gate 46 includes a gate protection circuit 34 including a high side transistor 28, a gate resistor 33 and a diode 32 for gate protection, a high side regenerative diode 30, a low side transistor 29, a low side regenerative diode 31, And 8 are composed. Further, the high side transistor 28 is connected to the pad 4 of the high voltage power supply, the low side transistor 29 is connected to the pad 5 of the reference potential, and the predriver 13 is connected to the input terminal 24.
- FIGS. 5 (a) and 5 (b) are plan views showing the layout of the output circuit cell 16B that constitutes the output circuit 25b.
- high side regenerative diode 30 and low side regenerative diode 31 are disposed to face each other via node 8. It is characterized by As described above, by arranging the high side regenerative diode 30 also serving as an ESD protection element on one side of the node 8 and arranging the low side regenerative diode 31 on the other side, as in the conventional example. This occurs when an abnormal input such as a surge voltage is applied to node 8 as compared to the case where a low-side regenerative diode and a no-side regenerative diode are arranged sequentially from the lower stage to the upper stage with the pad at one end. Resistance to electrostatic discharge can be improved.
- the high side regenerative diode 30 is disposed on the lower side with the pad 8 in between, and toward the upper side with the pad 8 in between.
- a low side regenerative diode 31, a low side transistor 29, a high side transistor 28, a gate protection circuit 34, a level shift circuit 12, and a predriver 13 are arranged in order.
- the current due to the negative surge below the reference potential is On the other hand, current flowing from the positive surge exceeding the power supply voltage flows from the node 8 to the closest high side regenerative diode 30 while flowing to the near low side regenerative diode 31, so that the resistance to electrostatic breakdown can be improved.
- the high side regenerative diode 30, nod 8, low side regenerative diode 31, low side transistor 29, high side transistor 28 and gate protection circuit 34, level Since shift circuit 12 and predriver 13 are arranged on a straight line, as is apparent from the layout of the semiconductor integrated circuit shown in FIG. 6 described later, an output constituting output circuit 25 b including IGBT driver 46 A highly integrated circuit cell 16B can be realized.
- the level shift circuit 12 and the predriver 13 are designed to be within the cell width of the low side transistor 29 having the largest cell width, and more specifically, as shown in FIGS. 5 (a) and 5 (b). In addition, by designing in accordance with the cell width of the low side transistor 29, high integration of the semiconductor integrated circuit is realized.
- 21 is a snoree hole, 41 is a contact, 36 is a collector region of the high side transistor 28, and 35 is a emitter region of the high side transistor 28.
- 37 is the emitter area of the low side transistor 29; 38 is the collector area of the low side transistor 29; 39 is the power sword area of the low side regenerative diode 31 and the high side regenerative diode 30; , The low-side regenerative diode 31 and the anode region of the no-side regenerative diode 30.
- FIG. 6 is a plan view of a multi-channel semiconductor integrated circuit in which the output circuit cell 16 B having the above layout is disposed on the semiconductor chip 1.
- a low withstand voltage control unit 6 for performing output timing control by an input control circuit or the like is disposed in the center on the semiconductor chip 1, and the low withstand voltage control unit 6 is A plurality of the output circuit cells 16B are arranged along the chip side so as to face each other, and the low withstand voltage control unit 6 and each of the output circuit cells 16B are connected by a nos wire 7.
- the control signal from the low withstand voltage control unit 6 is transmitted to the predriver 13 using the bus line 7.
- the pad 4 of the high voltage power supply and the pad 5 of the reference potential are disposed at both ends of the plurality of output circuit cells 16B.
- the layout of the plurality of output circuit cells 16B is not limited to that shown in the drawings, and bonding wires connected to the node 8 are not limited. It is also possible to have various layouts such as not touching each other.
- the wiring 3a of the reference potential is formed, and the wiring 3a is a reference potential of the reference potential arranged on both sides of the plurality of output circuit cells 16B.
- the wire 2b of the high voltage potential is a high voltage disposed on both sides of the plurality of output circuit cells 16B. Connected to node 4 of the power supply.
- the pads 5 of the reference potential and the pads 4 of the high voltage power supply arranged on both sides of the plurality of output circuit cells 16 B in the semiconductor chip 1 are wire-bonded from the package, the pads 5 of the reference potential And the potential of the pad 4 of the high voltage power supply is stable. Therefore, even when the output of each channel becomes a large current, the reference potential and the high voltage potential of each output circuit cell 16B are stabilized, and uniform output characteristics and ESD tolerance can be obtained.
- the input control pad 9 is disposed on one end side in the length direction in the low withstand voltage control unit 6, and the pad 5 of the reference potential is disposed on the other end side. Furthermore, on the low withstand voltage control section 6, the wiring 3b of the reference potential is formed so as to be surrounded in three directions excluding the input control pad 9 side.
- the wiring 3b of the reference potential has a role as a shield that prevents external noise introduced from the node 8 from being transmitted to the low withstand voltage control unit 6 through the output circuit cell 16B. Therefore, the signal input from the low withstand voltage control unit 6 to the predriver 13 is stabilized, and the output characteristics are stabilized.
- FIG. 7 shows an example of a basic circuit configuration of an output circuit 25c constituting an output circuit cell in a semiconductor integrated circuit according to a third embodiment of the present invention.
- the output circuit 25c includes a high sideless MOS driver 47 and a predriver 44.
- the high sideless MOS driver 47 is composed of a low side transistor 11, a back gate-drain parasitic diode 27 which is a parasitic element of the low side transistor 11, an ESD protection element 43, and a pad 8.
- the high-voltage power supply node 4 is connected to one end of the low-side transistor 11, and the other end of the low-side transistor 11 is
- the input terminal 24 is connected to the pre-drain 44 of the potential pad 5.
- FIGS. 8 (a) and 8 (b) are plan views showing the layout of the output circuit cell 16C that constitutes the output circuit 25c.
- the layout of the output circuit cell 16C is such that the ESD protection element 43 and the low side transistor 11 are disposed to face each other via the pad 8. It will be a feature.
- the ESD protection element 43 is disposed on one side of the pad 8 and the low side transistor 11 is disposed on the other side, so that the pad is disposed at one end as in the conventional example.
- the ESD protection element is located on the lower side with the pad 8 in between.
- the ESD protection element 43, the node 8, the low side transistor 11, and the predriver 44 are arranged in a straight line, as will be described later.
- the predriver 44 is designed to be within the cell width of the low side transistor 11 having the largest cell width.
- the low side transistor By designing in accordance with the cell width of the memory 11, high integration of the semiconductor integrated circuit is realized.
- FIG. 8 (b) 21 is a drain region of the low side transistor 11
- 22 is a drain region of the low side transistor 11
- 23 is a source region of the low side transistor 11
- 39 is an ESD.
- Reference numeral 40 denotes a force-sword area of the protection element 43
- reference numeral 40 denotes an anode area of the ESD protection element 43.
- FIG. 9 is a plan view of a multi-channel semiconductor integrated circuit in which the output circuit cell 16 C having the above layout is disposed on the semiconductor chip 1.
- a low breakdown voltage control unit 6 for performing output timing control by an input control circuit or the like is disposed in the center on the semiconductor chip 1 and the low breakdown voltage control unit 6 is disposed.
- the plurality of output circuit cells 16C are arranged along the chip side so as to face each other via the bus, and the low withstand voltage control unit 6 and each of the output circuit cells 16C are connected by the bus wiring 7
- the control signal from the low withstand voltage control unit 6 is transmitted to the predriver 44 using the bus wiring 7.
- the pad 4 of the high voltage power supply and the pad 5 of the reference potential are disposed at both ends of the plurality of output circuit cells 16C.
- the layouts of the plurality of output circuit cells 16C may be various layouts such as bonding wires connected to the node 8 which are not limited to those shown in the drawings.
- the wiring 3a of the reference potential is formed, and the wiring 3a is a reference potential of the reference potential arranged on both sides of the plurality of output circuit cells 16C. Connected to Nod 5.
- the wiring 2 of the high voltage potential is formed, and the wiring 2 of the high voltage potential is a high voltage arranged on both sides of the plurality of output circuit cells 16C. Connected to power supply pad 4!
- the pads 5 of the reference potential and the pads 4 of the high voltage power supply arranged on both sides of the plurality of output circuit cells 16 C in the semiconductor chip 1 are wire-bonded from the package, the pads 5 of the reference potential And the potential of the pad 4 of the high voltage power supply is stable. Therefore, even when the output of each channel is a large current, the reference potential and the high voltage potential of each output circuit cell 16C are stabilized, and uniform output characteristics and ESD tolerance can be obtained.
- the input control pad 9 is disposed at one end of the low withstand voltage control unit 6 in the length direction, and the pad 5 of the reference potential is disposed at the other end. There is.
- the wiring 3b of the reference potential is formed so as to be surrounded in three directions excluding the input control pad 9 side.
- the wiring 3b of the reference potential has a role as a shield that prevents the transmission of external noise into which nod 8 force is transmitted to the low withstand voltage control unit 6 via the output circuit cell 16C.
- FIG. 10 shows an example of a basic circuit configuration of an output circuit 25d that constitutes an output circuit cell in a semiconductor integrated circuit according to a fourth embodiment of the present invention.
- the output circuit 25 d includes a high sideless IGBT dry gate 48 and a predriver 44.
- the high sideless IGBT driver 48 is composed of a low side transistor 29, a single side regenerative diode 31, an ESD protection element 43 and a pad 8. Further, the high-voltage power supply node 4 is connected to one end of the low side transistor 29, the pad 5 of the reference potential is connected to the other end of the low side transistor 11, and the input terminal 24 is connected to the predriver 44.
- FIGS. 11 (a) and 11 (b) are plan views showing the layout of output circuit cell 16D that constitutes output circuit 25d.
- the layout of the output circuit cell 16D is such that the ESD protection device 43 and the low side regenerative diode 31 are disposed to face each other via the node 8. It features.
- the ESD protection element 43 is disposed on one side of the pad 8 and the low-side regenerative diode 31 is disposed on the other side, whereby the pad is disposed at one end as in the conventional example.
- resistance to electrostatic breakdown that occurs when an abnormal input such as a surge voltage is applied to pad 8 is improved. It can be done.
- the ESD protection element 43 is disposed on the lower side with the pad 8 in between, and the force is applied to the upper side with the pad 8 in between.
- the low side regenerative diode 31, the low side transistor 29, and the predrino 44 are arranged in order.
- the ESD protection device 43, the node 8, the low side regenerative diode 31, the low side transistor 29, and the predriver 44 are arranged in a straight line.
- a highly integrated circuit of output circuit cell 16D constituting output circuit 25d including high-sideless IGBT driver 48 can be realized.
- Pre-Drino 4 is designed to fit within the cell width of the single-side transistor 29 having the largest cell width, and specifically, as shown in FIGS. 11 (a) and 11 (b), the low-side transistor By designing in conjunction with the 29 cell width, high integration of the semiconductor integrated circuit is realized.
- 21 is a snoree hoone
- 41 is a contact
- 37 is an emitter region of the low side transistor 29
- 38 is a collector region of the low side transistor 29.
- 39 is a low-side diode 31 and a force-sword region of the ESD protection device 43
- 40 is an anode region of the low-side diode 31 and the ESD protection device 43.
- FIG. 12 is a plan view of a multi-channel semiconductor integrated circuit in which the output circuit cell 16D having the above layout is disposed on the semiconductor chip 1.
- a low breakdown voltage control unit 6 for controlling output timing by an input control circuit or the like is disposed in the center on the semiconductor chip 1 and the low breakdown voltage control unit
- a plurality of the output circuit cells 16D are disposed along the chip side so as to face each other via the 6 and the low withstand voltage control unit 6 and each of the output circuit cells 16D are connected by the nos wire 7.
- the control signal from the low withstand voltage control unit 6 is transmitted to the predriver 44 using the bus wiring 7.
- the pad 4 of the high voltage power supply and the pad 5 of the reference potential are disposed at both ends of the plurality of output circuit cells 16D.
- the layouts of the plurality of output circuit cells 16D may be various layouts such as bonding wires connected to the node 8 which are not limited to those shown in the drawings.
- the wiring 3a of the reference potential is formed, and the wiring 3a is of the reference potential arranged on both sides of the plurality of output circuit cells 16D. Connected to Nod 5.
- the wiring 2 of high voltage potential is formed, and the wiring 2 of the high voltage potential is a high voltage disposed on both sides of the plurality of output circuit cells 16D. Connected to power supply pad 4.
- the input control pad 9 is disposed at one end of the low withstand voltage control unit 6 in the length direction, and the pad 5 of the reference potential is disposed at the other end. There is.
- the wiring 3b of the reference potential is formed so as to be surrounded in three directions excluding the input control pad 9 side.
- the wiring 3b of the reference potential has a role as a shield for preventing external noise entering nod 8 force from being transmitted to the low withstand voltage control unit 6 through the output circuit cell 16D.
- reference potential including the case where the potential is other than the ground potential, but it is connected to the substrate of the semiconductor chip.
- Potential which usually means ground potential.
- the present invention is useful for a multi-channel semiconductor integrated circuit that drives a capacitive load such as a PDP.
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- Engineering & Computer Science (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
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Abstract
Description
Claims
Priority Applications (1)
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US11/919,504 US20090302347A1 (en) | 2006-03-06 | 2006-09-29 | Semiconductor integrated circuit |
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JP2006-059112 | 2006-03-06 | ||
JP2006059112A JP2007242671A (ja) | 2006-03-06 | 2006-03-06 | 半導体集積回路 |
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WO2007102239A1 true WO2007102239A1 (ja) | 2007-09-13 |
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US (1) | US20090302347A1 (ja) |
JP (1) | JP2007242671A (ja) |
KR (1) | KR20080098308A (ja) |
CN (1) | CN101171679A (ja) |
WO (1) | WO2007102239A1 (ja) |
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JP2010129768A (ja) * | 2008-11-27 | 2010-06-10 | Toshiba Corp | 半導体装置 |
US9069924B2 (en) | 2011-12-29 | 2015-06-30 | Taiwan Semiconductor Manufacturing Co., Ltd. | ESD protection circuit cell |
US9087707B2 (en) | 2012-03-26 | 2015-07-21 | Infineon Technologies Austria Ag | Semiconductor arrangement with a power transistor and a high voltage device integrated in a common semiconductor body |
US8941188B2 (en) | 2012-03-26 | 2015-01-27 | Infineon Technologies Austria Ag | Semiconductor arrangement with a superjunction transistor and a further device integrated in a common semiconductor body |
CN106549537A (zh) * | 2016-11-03 | 2017-03-29 | 深圳市道通智能航空技术有限公司 | 一种电子调速器、永磁同步电机组件以及无人飞行器 |
JP7411465B2 (ja) * | 2020-03-18 | 2024-01-11 | 日産自動車株式会社 | 半導体装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6418239A (en) | 1987-07-13 | 1989-01-23 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
JP2006019709A (ja) * | 2004-06-01 | 2006-01-19 | Matsushita Electric Ind Co Ltd | 半導体集積回路装置 |
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JP4620437B2 (ja) * | 2004-12-02 | 2011-01-26 | 三菱電機株式会社 | 半導体装置 |
-
2006
- 2006-03-06 JP JP2006059112A patent/JP2007242671A/ja not_active Withdrawn
- 2006-09-29 US US11/919,504 patent/US20090302347A1/en not_active Abandoned
- 2006-09-29 CN CNA2006800154639A patent/CN101171679A/zh active Pending
- 2006-09-29 WO PCT/JP2006/319533 patent/WO2007102239A1/ja active Application Filing
- 2006-09-29 KR KR1020077026563A patent/KR20080098308A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6418239A (en) | 1987-07-13 | 1989-01-23 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
JP2006019709A (ja) * | 2004-06-01 | 2006-01-19 | Matsushita Electric Ind Co Ltd | 半導体集積回路装置 |
Also Published As
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KR20080098308A (ko) | 2008-11-07 |
CN101171679A (zh) | 2008-04-30 |
US20090302347A1 (en) | 2009-12-10 |
JP2007242671A (ja) | 2007-09-20 |
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