WO2006011292A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- WO2006011292A1 WO2006011292A1 PCT/JP2005/009858 JP2005009858W WO2006011292A1 WO 2006011292 A1 WO2006011292 A1 WO 2006011292A1 JP 2005009858 W JP2005009858 W JP 2005009858W WO 2006011292 A1 WO2006011292 A1 WO 2006011292A1
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- semiconductor device
- semiconductor substrate
- circuit
- electrode pads
- wlbi
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 169
- 239000000758 substrate Substances 0.000 claims abstract description 66
- 230000001133 acceleration Effects 0.000 claims description 32
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 14
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 29
- 238000000926 separation method Methods 0.000 description 25
- 230000000694 effects Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- 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
- H01L24/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
- H01L22/32—Additional lead-in metallisation on a device or substrate, e.g. additional pads or pad portions, lines in the scribe line, sacrificed conductors
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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
- H01L27/0248—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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- 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
- H01L2224/023—Redistribution layers [RDL] for bonding areas
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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
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05553—Shape in top view being rectangular
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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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01004—Beryllium [Be]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01005—Boron [B]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01006—Carbon [C]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01033—Arsenic [As]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01076—Osmium [Os]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01082—Lead [Pb]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/1901—Structure
- H01L2924/1904—Component type
- H01L2924/19043—Component type being a resistor
Definitions
- the present invention relates to a semiconductor device having an integrated circuit, and particularly to a layout of electrode pads of an integrated circuit of a semiconductor device.
- the core region which is a region other than the I / O (In / Out) region.
- the chip size of the semiconductor device cannot be reduced to fit the reduced core area. The reason is that
- the chip size is determined by the electrode pads arranged in the ⁇ region.
- WLBI wafer level burn-in
- FIG. 11 is a schematic layout diagram of a corner portion of a conventional semiconductor device.
- an IZO region 51 and a core region 52 are provided on a semiconductor substrate 50 at a corner portion.
- the cell region 51 includes a plurality of cells having electrode pads 53 for cells in the integrated circuit. 54 and the like are arranged, and an integrated circuit and other circuits are arranged in the core region 52.
- the IZO region 51 is provided along the periphery of the semiconductor substrate 50, and a corner cell 57 is disposed at a corner portion of the semiconductor substrate 50.
- the core region 52 is provided in the central part of the semiconductor substrate 50.
- the electrode pads 53 are pads for wire bonding with the outside, and the electrode pads 53 are arranged with an interval 55, and the interval 55 is a value that satisfies the above-described assembly restrictions. Set and speak.
- a gap 55a is provided between adjacent electrode pads, for example, 53a and 53b. It is necessary to install it. As a result, the wires connected to the electrode pads can be prevented from contacting each other at the time of sealing the resin, and the yield can be prevented from decreasing.
- the chip size is determined by the distance 55 between the electrode pads 53 determined by this assembly constraint, and even if a fine process is used, it is difficult to reduce the chip size. End up.
- FIG. 12 is a schematic layout diagram of the edge portion of another conventional semiconductor device.
- FIG. 12 the same reference numerals as those in FIG. 11 denote the same or corresponding parts, and two IBI cells for WLBI 80 having WLBI electrode pads 81 in the IZO region 51 at the edge of the semiconductor substrate 50 They are arranged at intervals of 88. This interval 88 is set to a value that satisfies the WLBI constraints described above.
- WLBI is an accelerated test performed to exclude an initial defective product before a semiconductor chip assembly process, that is, a process such as wire bonding or grease sealing. By conducting this accelerated test, the effect of reducing assembly costs can be obtained.
- WLBI holds a plurality of semiconductor devices formed on a wafer in a wafer state at a high temperature to humidify them, and further supplies signals such as power supply voltage and clock signal to each chip of the semiconductor device. Hold in the applied state and deteriorate. Therefore, it is necessary to create a probe card for signal application to apply the above signals during WLBI. Make the probe card without any defects and make contact with each chip on the wafer correctly.
- the WLBI pad 81 is larger than the standard size electrode pad to be wire bonded.
- Patent Document 1 Japanese Patent Laid-Open No. 3-99445
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a semiconductor device capable of reducing the chip size by considering the arrangement of electrode pads. To do.
- a semiconductor device is a semiconductor device having an integrated circuit on a semiconductor substrate, and a plurality of wire connection electrode pad forces are spaced apart from each other along a periphery near a corner of the semiconductor substrate.
- An integrated circuit component that is not wire-connected is arranged between each of the plurality of wire-connecting electrode pads.
- an electrode pad that is selectively wire-connected to the wire connection electrode pad is disposed in proximity to one of the plurality of wire connection electrode pads. is there.
- the semiconductor device is a semiconductor device having an integrated circuit on a semiconductor substrate, and a plurality of acceleration test electrode pads are spaced apart from each other at a predetermined interval along the periphery of the semiconductor substrate.
- An integrated circuit component is arranged between each of the plurality of acceleration test electrode pads.
- the plurality of acceleration test electrode pads are disposed between the plurality of acceleration test electrode pads.
- the integrated circuit component placed is an electrode pad for wire connection.
- a semiconductor device is a semiconductor device having an integrated circuit on a semiconductor substrate, and is an integrated circuit designed to be supplied with different power or signals along the periphery of the semiconductor substrate.
- One electrode electrode pad for acceleration test is arranged so as to be connected to a plurality of circuits in the circuit, and one wire connecting electrode pad connected to the plurality of circuits is arranged along the periphery of the semiconductor substrate. It is arranged so as to be close to one acceleration test electrode pad.
- a test start signal generation circuit for generating a test start signal for instructing start of an acceleration test for the plurality of circuits, and a delay circuit for delaying the generated test start signal Among the plurality of circuits, a first circuit to which a test start signal from the test start signal generation circuit is input and a test start signal that is delayed by the delay circuit are input. Two circuits are provided, and the first circuit and the second circuit have different time zones during the acceleration test.
- a semiconductor device is a semiconductor device having an integrated circuit on a semiconductor substrate, and includes a plurality of wires along the periphery of the semiconductor substrate at positions away from the corner portion of the semiconductor substrate.
- the connection electrode pads are arranged close to each other, and a plurality of acceleration test electrode pads are arranged at predetermined intervals along the periphery of the vicinity of the corner of the semiconductor substrate.
- a plurality of wire connection electrode pad forces are arranged at predetermined intervals along the periphery of the corner of the semiconductor substrate, and each of the plurality of wire connection electrode pads is interposed between each of the plurality of wire connection electrode pads. Since the non-wired integrated circuit components are arranged, the width of the non-wired integrated circuit components without causing inconvenience to the wire connection of the electrode pads while maintaining the distance between adjacent electrode pads. As a result, the length of one side of the semiconductor substrate can be shortened to reduce the chip size.
- an electrode pad that is selectively wire-connected to the wire connection electrode node is disposed in the vicinity of one of the plurality of wire connection electrode pads. Can be selected, and between adjacent electrode pads There is an effect that the length of one side of the semiconductor substrate can be shortened by the width of the gap, and the chip size of the semiconductor device can be reduced.
- a plurality of acceleration test electrode pads are arranged at predetermined intervals along the periphery of the semiconductor substrate, and an integrated circuit configuration is provided between each of the plurality of acceleration test electrode pads. Since the elements are arranged, the chip size is reduced by shortening the length of one side of the semiconductor substrate by the width of the component of the integrated circuit while maintaining the distance between the adjacent acceleration test electrode pads. There is an effect that can be reduced.
- the integrated circuit constituent element disposed between each of the plurality of acceleration test electrode pads is a wire connection electrode pad, the interval between the adjacent acceleration test electrode pads is maintained.
- the chip size can be reduced by reducing the length of one side of the semiconductor substrate by the width of the electrode pad for wire connection without causing inconvenience in the wire connection of the electrode pad.
- one acceleration test is performed so as to be connected to a plurality of circuits in an integrated circuit designed to be supplied with different power supplies or signals along the periphery of the semiconductor substrate.
- the electrode pads are arranged and arranged so as to be close to the one electrode pad for acceleration test, which is connected to the plurality of circuits along the periphery of the semiconductor substrate.
- a test start signal generation circuit that generates a test start signal that instructs the start of an acceleration test for the plurality of circuits, and a delay circuit that delays the generated test start signal, Among the plurality of circuits, a first circuit to which a test start signal from the test start signal generation circuit is input, and a second circuit to which a test start signal delayed by the delay circuit is input, The first circuit and the second circuit are provided in different operating time zones during the acceleration test, so the amount of current flowing through the acceleration test electrode pad during the acceleration test is determined by the allowable current of the pad. By satisfying the requirements, the semiconductor device can be prevented from being damaged, such as power supply wiring, and the operation reliability can be improved.
- the plurality of wire connection electrode pads are arranged close to each other at a position away from the corner portion of the semiconductor substrate along the periphery of the semiconductor substrate.
- a plurality of acceleration test electrode pads are arranged at predetermined intervals along the periphery of the corner of the body substrate, so that the assembly constraints and the WLBI constraints can be satisfied simultaneously.
- the length of one side of the semiconductor substrate can be shortened by the width of the interval between the adjacent electrode pads, and the chip size can be reduced.
- FIG. 1 is a schematic layout diagram of a corner portion of a semiconductor device according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic diagram showing an example of an IZO cell of the semiconductor device according to the first embodiment of the present invention.
- FIG. 3 is a schematic diagram showing another example of a cell of the semiconductor device according to the first embodiment of the present invention.
- FIG. 4 is a schematic diagram of a power source separation cell of a semiconductor device according to Embodiment 1 of the present invention.
- FIG. 5 is a schematic layout diagram of a corner portion of a semiconductor device according to Embodiment 2 of the present invention.
- FIG. 6 is a schematic layout diagram of the edge portion of the semiconductor device for illustrating the semiconductor device according to the third embodiment of the present invention.
- FIG. 7 is a schematic layout diagram of the edge portion of the semiconductor device according to the fourth embodiment of the present invention.
- FIG. 8 is a schematic layout diagram of the edge portion of the semiconductor device for explaining the semiconductor device according to the fifth embodiment of the present invention, and (b) is an embodiment of the present invention.
- FIG. 10 is a schematic layout diagram of a peripheral portion of a semiconductor device for explaining the semiconductor device according to Embodiment 5;
- FIG. 9 is a schematic layout diagram of the edge portion of the semiconductor device according to the sixth embodiment of the present invention, and (b) is a semiconductor according to the sixth embodiment of the present invention.
- FIG. 7C is a diagram for explaining the operation of the device
- FIG. 8C is a diagram for explaining the operation of the semiconductor device according to the sixth embodiment of the present invention.
- FIG. 10 is a diagram illustrating corners and edge portions of a semiconductor device according to Embodiment 7 of the present invention. It is a layout schematic diagram.
- FIG. 11 is a schematic layout diagram of a corner portion of a conventional semiconductor device.
- FIG. 12 is a schematic layout diagram of the edge portion of another conventional semiconductor device.
- FIG. 1 is a schematic layout diagram of a corner portion of the semiconductor device according to the first embodiment of the present invention.
- a plurality of IZO cells 14 having electrode pads 13 and a power source separation cell 16 are arranged in an IZO region 11 on a semiconductor substrate 10, and a core region 12 has an I / O region 11 in the I / O region 11. Configuration of integrated circuits other than the ⁇ cell 14 and the power supply separation cell 16 Element is arranged.
- the IZO region 11 is a region along the periphery of the semiconductor substrate 10 in which circuit elements of an integrated circuit mainly related to input / output are arranged, and includes a plurality of electrode pads 13 and a plurality of power source separation cells. 16 and are arranged. In addition, corner cells 17 are arranged at corner portions of the semiconductor substrate 10.
- the electrode pad 13 is a pad for connecting to the outside by wire bonding, and is disposed along the periphery of the semiconductor substrate 10. In the vicinity of the corner of the semiconductor substrate 10, the electrode pads 13 are arranged with an interval 15 between them, and this interval 15 is wire-bonded to the electrode pad 13 when sealing the grease after wire bonding. It is set to a value that can prevent the wires from touching each other, that is, to contact each other, that is, a value that satisfies the assembly restrictions.
- Each of the plurality of power source separation cells 16 is arranged between the electrode pads 13 and arranged so as to be in contact with the cell 14 having the electrode pads 13.
- the width of the electrode pad 13, that is, the length in the direction along the side of the semiconductor substrate 10 is set to about 90% of the width of the IZO cell 14. This width is set according to the design needs.
- the core region 12 is a region in which components of the integrated circuit other than the IZO cell 14 and the power supply separation cell 16 disposed in the IZO region 11 are disposed, and is provided in the central portion of the semiconductor substrate 10.
- FIG. 2 is a diagram showing an example of the configuration of an I / O cell including an electrode pad to be wire-bonded in the semiconductor device according to the first embodiment of the present invention.
- the IZO cell 20 includes an electrode pad 21 to be wire-bonded, an input / output wiring 23 connected to the electrode pad 21, a buffer 22a inserted in the input / output wiring 2, and a buffer 22b. It has.
- the buffer 22a performs noise removal and level shift on the signal output to the electrode pad 21, and the noffer 22b is input from the electrode pad 21. Noise removal and level shift are performed on the generated signal.
- the IZO cell 20 is used for digital signal input / output. For example, in the semiconductor device shown in FIG. 1, when this IZO cell 20 is used as the IZO cell 14, the electrode pad 21 corresponds to the electrode pad 13.
- FIG. 3 is a diagram showing another example of the configuration of the IZO cell including the electrode pad to be wire-bonded in the semiconductor device according to Embodiment 1 of the present invention.
- the IZO cell 30 includes an electrode pad 31 to be wire-bonded and a wiring 32 connected to the electrode pad 31.
- the soot cell 30 is used for power input / output.
- the electrode pad 31 corresponds to the electrode pad 13.
- FIG. 4 is a diagram showing a configuration of the power source separation cell of the semiconductor device according to the first embodiment of the present invention.
- the power source separation cell 16 has an ESD protection circuit 40 having an ESD (electrostatic discharge) protection transistor, an input wiring 41a to the ESD protection circuit 40, and an output wiring 41b.
- the ESD protection circuit 40 includes a transistor for electrostatic breakdown protection disposed between the power supply and ground of the integrated circuit, and does not generate a signal and potential exchange with the outside of the semiconductor device. Therefore, the power source separation cell 16 does not require an IZO pad and does not require wire bonding.
- a circuit that does not require wire bonding, such as the power source separation cell 16 is often arranged in the ridge region 11.
- a region sandwiched between the cells 14 in the vicinity of one corner of the semiconductor substrate 10 that was originally an unused region is effectively used to make a corner of the semiconductor substrate 10.
- the power source separation cell 16 arranged in the region on the ridge region 11 other than the vicinity is arranged between the IZO cells 14 in the vicinity of the corner of the semiconductor substrate 10. This As a result, the number of power source separation cells 16 arranged in the region on the IZO region 11 other than the vicinity of the corner of the semiconductor substrate 10 can be reduced, and the integration degree of the components of the integrated circuit in the region 11 can be increased. .
- the length of one side of the semiconductor substrate 10 can be reduced by the width of the power supply separation cell 16 arranged between the cells 14.
- the power separation cell 16 may be disposed close to the electrode pad 13 that requires wire bonding. There is no problem of contact between the wire 16 and the electrode pad 13 when the resin is sealed.
- a plurality of electrode pads 13 for wire connection are spaced from each other at a distance 15 along the periphery near the corner of the semiconductor substrate 10 with a distance 15 from each other.
- the power supply isolation cell 16 is arranged between the electrode pads 13 for connecting the wires, and is not bonded between the plurality of electrode pads 13 for connecting the wires.
- the IZO cell 20 or the IZO cell 30 shown in Fig. 2 or Fig. 3 is used as an example of a cell provided with an electrode pad for wire connection.
- a cell having any configuration may be arranged as in the first embodiment. Has the effect of.
- the force that uses the power supply isolation cell 16 shown in FIG. 4 as the power supply isolation cell is described in the present invention. As long as the cell does not have an electrode pad, the same effect as in the first embodiment can be obtained, in which a power supply separation cell having any configuration may be arranged.
- the force explaining the arrangement of the power source separation cell 16 between the electrode pads 13 any cell that does not include an electrode pad for wire connection may be used.
- the same effects as those of the first embodiment can be obtained in which any cell of the semiconductor device may be arranged.
- FIG. 5 is a schematic layout diagram of the corner portion of the semiconductor device according to the second embodiment of the present invention.
- the same reference numerals as those in FIG. 1 denote the same or corresponding parts.
- one of the I / O cells 14 including the electrode pads 13 in a part of the corner of the semiconductor device according to the first embodiment is connected to each other. It is replaced with the selectively used IZO cell 14a and IZO cell 14b arranged side by side so as to contact each other.
- two IZO cells 14a and IZO cells 14b having different current supply capacities are provided, and these are selectively connected by wires.
- a semiconductor device it is possible to evaluate which IZO cell is appropriate for use.
- the cell 14a and the IZO cell 14b that are selectively used are not simultaneously wire-connected, and there is no problem such as wire touch after wire connection between them.
- Two cells can be placed in contact with each other. That is, electrode pads that are selectively used can be arranged adjacent to each other. This eliminates the need to provide an interval between the IZO cell 14a and the IZO cell 14b.
- the electrode pads that are selectively wire-connected are arranged adjacent to each other, thereby assembling the semiconductor device.
- the distance between these electrode pads can be narrowed, and the chip size of the semiconductor device can be reduced.
- FIG. 6 is a schematic layout diagram of the edge portion of the semiconductor device according to the third embodiment of the present invention.
- the same reference numerals as those in FIG. 1 denote the same or corresponding parts, and the semiconductor substrate
- Two IBI ZO cells 70 for WLBI with electrode pads 71 for WLBI are arranged at intervals 77 in the IZO region 11 at the edge of the plate 50, and are sandwiched between the IZO cells 70 for WLBI.
- a power source separation cell 76 similar to that in the first embodiment is arranged.
- the two WLBI pads 71 need to be arranged at a predetermined interval, and the interval 77 is set to a value that satisfies the constraints of the WLBI pad 71.
- the power supply separation cell 76 is connected between the WBI cells 70 for WLBI.
- the number of power supply separation cells 16 placed in a region other than between the IZO cells for WLBI 70 on the IZO region 11 can be reduced, and the components of the integrated circuit in the region 11 can be reduced.
- the width of one side of the semiconductor substrate 10 can be shortened by the width of the power separation cell 76 arranged between the WLBI cells 70 for WLBI.
- a plurality of wire connecting electrode pads 71 are arranged at intervals 77 along the periphery of the semiconductor substrate 10.
- the power supply isolation cell 76 that is not connected to the wire is disposed, it is possible to increase the degree of integration of the ridge region around the semiconductor substrate 10, shorten the length of one side of the semiconductor substrate 10, and reduce the chip size. .
- Embodiment 3 the force described with two WLBI pads 71 is provided.
- three or more WLBI pads are arranged and each of them is arranged.
- the same effect as that of the third embodiment can be obtained by arranging a power supply separation cell between them.
- FIG. 7 is a schematic layout diagram of the edge portion of the semiconductor device according to the fourth embodiment of the present invention.
- This semiconductor device includes two WLBI pads 7 in the semiconductor device shown in the third embodiment.
- the cell placed between 1 is an IZO cell 90 having electrode pads 91 to be wire bonded.
- the WLBI pad 71 of the fourth embodiment is in contact with the electrode during the acceleration test, and is not contacted with the electrode and not wire-bonded during assembly.
- the electrode pad 91 Since the electrode pad 91 is not wire-bonded in the wafer state, even when the electrode pad 91 is arranged close to the WLBI pad 71, it does not become an obstacle to the WLBI. Since bonding is not performed, problems such as wire touch to the wire bonded to the electrode pad 91 do not occur. For this reason, if the electrode pad 91 that needs to be wire-bonded is placed between the IZO cells 70 for WLBI and is placed in the region on the IZO region 11 other than between the IZO cells 70 for WLBI, The degree of integration of the integrated circuit components in the / O region 11 can be increased, and the same effect as in the third embodiment can be obtained.
- the cell inserted between the WLBI pads is an IZO cell including a power source separation cell and a wire-bonded electrode pad.
- the cell inserted between the WLBI pads can be another cell as long as it includes an integrated circuit component, and the same effects as those of the third and fourth embodiments can be obtained.
- FIGS. 8A and 8B are schematic layout diagrams of the edge portion of the semiconductor device for explaining the semiconductor device according to the fifth embodiment of the present invention.
- the same reference numerals as those in FIG. 7 denote the same or corresponding parts.
- WLBI pads 71a and 71b are pads connected to different power sources, and W LBI pad 71a is connected to first circuit block 101 in core region 12 and WLBI pad 71b. Is connected to the second circuit block 102 in the core region 12.
- the WLBI pad 71 is connected to the first circuit block 101 and the second circuit block 102 in the core region 12, and the electrode pad 91 to be wire-bonded is provided.
- the first circuit block 101 and the second circuit block 102 in the core region 12 are connected.
- Embodiment 5 of the present invention relates to the arrangement of WLBI pads of a semiconductor device having a multiple power supply system. For example, when an analog power supply, ground, digital power supply, and ground are used as separate power supplies in one semiconductor integrated circuit, even if different power supplies apply the same voltage, Figure 8 (a) As shown in the figure, these power supplies are often separated in the semiconductor integrated circuit!
- the first circuit block 101 is arranged inside the core region. And whether it is possible to use the same power source as the power source of the second circuit block 102. If it is determined that the same power source can be obtained within the core region 12 such as the effect of noise and the problem of the allowable current amount does not occur, the first circuit is connected to the WLBI pad 71a. The block 101 and the second circuit block 102 are connected.
- the WLBI pad 71b is replaced with an IZO cell 90 having an electrode pad 91 smaller than the WLBI pad, and the electrode pad 91 is connected to the first circuit block 101 and the second circuit block 102. Further, the interval between the WLBI pad 71a and the electrode pad 91 is deleted, and the WLBI pad 71a and the electrode pad 91 are arranged close to each other.
- the WLBI pad 71a is connected to the first and second circuit blocks 101 and 102 designed to be supplied with different power supplies or signals. Since the electrode pad 91 to be placed and wire-bonded is arranged close to the WLBI pad 71a, the WLBI for supplying power or signals to the first and second circuit blocks 101 and 102 is used.
- the number of pads 71b By reducing the number of pads 71b, the length of one side of the semiconductor substrate 10 can be reduced, the chip size can be reduced, and the space between the WLBI pad 71a and the electrode pad 91 can be reduced, so that one side of the semiconductor substrate 10 can be reduced. The effect is that the length can be shortened and the chip size can be reduced. can get.
- FIG. 9 (a) is a diagram showing a configuration of the semiconductor device according to the sixth embodiment of the present invention.
- the same reference numerals as those in FIG. 8 (b) indicate the same or corresponding parts.
- the first circuit block 101 is connected to the test start signal generation circuit 200, and the second circuit block 102 is tested via the delay circuit 210.
- a start signal generation circuit 220 is connected.
- the first circuit block 101 receives the test start signal 220 from the test start signal generation circuit 200.
- the second circuit block 102 receives the test start signal 220 delayed by the delay circuit 210.
- FIGS. 9 (b) and 9 (c) are diagrams for explaining the operation status of the circuit block of the semiconductor device shown in FIG. 9 (a) at the time of WLBI.
- the vertical axis indicates the current consumption
- the solid line 300 indicates the relationship between the time of the first circuit block 101 and the current consumption
- the broken line 310 indicates the relationship between the time of the second circuit block 102 and the power consumption.
- FIG. 1 In the semiconductor device in which two WLBI pads originally supplied with different power supplies are connected to two different circuit blocks, respectively, like the semiconductor device in the fifth embodiment, FIG. As shown in Fig. 2, the current is supplied to the two different first circuit block 101 and the second circuit block 10 2 by using the common W LBI pad 71a force in common with the WLBI pad 71a.
- the common W LBI pad 71a force in common with the WLBI pad 71a.
- the first circuit block 101 and the second circuit block 102 operate in the same time zone and consume current, so the first circuit block 101 and the second circuit block 102
- the current consumption in the time zone in which the second circuit block 102 operates is the sum of the current consumption of the first circuit block 101 and the second circuit block 102. It becomes.
- the first circuit block 101 and the second circuit block 102 which are separate blocks in the semiconductor device of the fifth embodiment, are separated from each other by a WLBI pad 71a.
- the power supply or the signal input from is divided in time, that is, the time zone in which the first circuit block 101 and the second circuit block 102 operate is different.
- the first circuit block 101 and the second circuit block 102 operate based on the test start signal 220 from the test start signal generation circuit 200.
- the test start signal 220 is directly input from the test start signal generation circuit 200 to the first circuit block 101, whereas the test start signal delayed by the delay circuit 210 is input to the second circuit block 102. Since 2 20 is input, the second circuit block 102 operates later than the first circuit block 101. In this way, it is possible to control the time periods during which the first circuit block 101 and the second circuit block 102 operate during WLBI.
- the test start signal instructing the start of the acceleration test of the first and second circuit blocks 101 and 102 is performed.
- the first circuit block 101 receives the test start signal 220 from the test start signal generation circuit 200.
- the test start signal 220 delayed by the delay circuit 210 is input to the second circuit block 102, and the first circuit block 101 connected to one WLBI pad 71a and the second circuit block 102 Since the operation time zone of the circuit block 102 is different, the amount of current flowing through the WLBI pad 71a during WLBI is set so as to satisfy the allowable current amount of the pad, and the semiconductor device such as breakage of the power supply wiring is destroyed. Damage Technique, the effect capable of improving the operation reliability can be obtained.
- the operation time zones of the two circuit blocks connected to one WLBI pad have been described differently.
- the same effect as in the fifth embodiment is obtained, in which the operation time zones of the three or more circuit blocks connected to one WLBI pad may be different.
- FIG. 10 is a schematic layout diagram of the corner portion and the edge portion of the semiconductor device for explaining the semiconductor device according to the seventh embodiment of the present invention.
- the same reference numerals as those in FIGS. 1 and 6 denote the same or corresponding parts.
- the semiconductor device includes a plurality of WLBI pads 71 and a plurality of wire-bonded electrode pads 13 in the IZO region 11, and a WLBI nod 71 from the electrode pads 13. Is also located near the corner.
- the electrode pads 13 that require wire bonding are spaced apart from each other when adjacent to each other near the corner due to restrictions on wire bonding. Force to be placed When placed in a region other than the vicinity of the corner portion, it is not necessary to place the electrode pads 13 adjacent to each other at intervals. Therefore, it is more advantageous from the viewpoint of reducing the chip size to arrange the electrode pads 13 that require wire bonding in regions other than the corner portion.
- the WLBI pads 71 must be spaced apart from each other even in the vicinity of the corner portion or in other regions. It is determined and there is no significant difference between the corner area and other areas.
- a plurality of WLBI pads 71 having no difference in spacing depending on where they are arranged are arranged in a region close to a part of the corner, and a plurality of electrode pads 13 having a wide interval near the corner portion are provided.
- the plurality of WLBI pads 71 and the plurality of wire pads 13 are provided in the IZO region 11 and the WLBI pads 71 are provided at the corners. Place the electrode pad 13 at a position close to the corner and away from the corner. As a result, the length of one side of the semiconductor substrate 10 can be shortened, and the effect of reducing the chip size can be obtained.
- the present invention is useful as a semiconductor device having an integrated circuit, and particularly useful as a semiconductor device having an integrated circuit with a high degree of integration manufactured using a fine process.
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
Claims
Priority Applications (2)
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US11/658,738 US8035188B2 (en) | 2004-07-28 | 2005-05-30 | Semiconductor device |
JP2006528419A JPWO2006011292A1 (ja) | 2004-07-28 | 2005-05-30 | 半導体装置 |
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JP2004220794 | 2004-07-28 | ||
JP2004-220794 | 2004-07-28 |
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WO2006011292A1 true WO2006011292A1 (ja) | 2006-02-02 |
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PCT/JP2005/009858 WO2006011292A1 (ja) | 2004-07-28 | 2005-05-30 | 半導体装置 |
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US (1) | US8035188B2 (ja) |
JP (1) | JPWO2006011292A1 (ja) |
CN (1) | CN100565840C (ja) |
WO (1) | WO2006011292A1 (ja) |
Cited By (4)
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JP2008235583A (ja) * | 2007-03-20 | 2008-10-02 | Rohm Co Ltd | 半導体集積回路装置 |
JP2011254100A (ja) * | 2006-06-15 | 2011-12-15 | Renesas Electronics Corp | 半導体集積回路装置 |
WO2016203648A1 (ja) * | 2015-06-19 | 2016-12-22 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2018129534A (ja) * | 2018-04-16 | 2018-08-16 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
Families Citing this family (5)
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JP2009081293A (ja) * | 2007-09-26 | 2009-04-16 | Oki Semiconductor Co Ltd | 半導体チップ、及び複数の半導体チップが搭載された半導体装置 |
JP6211855B2 (ja) | 2013-09-03 | 2017-10-11 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN106783731B (zh) * | 2016-12-30 | 2019-09-06 | 合肥恒烁半导体有限公司 | 提升集成电路角落处硅片使用效率的方法 |
CN106653748B (zh) * | 2016-12-30 | 2019-09-06 | 合肥恒烁半导体有限公司 | 集成电路角落的使用方法 |
WO2019017504A1 (ko) * | 2017-07-18 | 2019-01-24 | 이상훈 | 웨이퍼 레벨에서 온도 및 알에프 특성 모니터링이 가능한 알에프 파워 소자 |
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- 2005-05-30 CN CNB2005800247501A patent/CN100565840C/zh active Active
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Also Published As
Publication number | Publication date |
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US8035188B2 (en) | 2011-10-11 |
CN100565840C (zh) | 2009-12-02 |
JPWO2006011292A1 (ja) | 2008-05-01 |
CN1989609A (zh) | 2007-06-27 |
US20090001364A1 (en) | 2009-01-01 |
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