Abstract: A semiconductor device includes a semiconductor chip including a first circuit and a wiring substrate over which the semiconductor chip is mounted. The wiring substrate includes input signal wires transmitting an input signal to the semiconductor chip, output signal wires transmitting an output signal from the semiconductor chip, and first conductor planes supplied with a reference potential. When a wire cross-sectional area is defined as the cross-sectional area of each wire in a direction orthogonal to a direction in which the wire extends, the wire cross-sectional area of each input signal wire is smaller than the wire cross-sectional area of each output signal wire. In the thickness direction of the wiring substrate, each input signal wire is interposed between second conductor planes and third conductor planes each supplied with the reference potential. Between the output signal wires and the input signal wires, the third conductor planes are disposed.

Abstract: The semiconductor device includes a wiring substrate, a first and second semiconductor chips, and the heat sink. The wiring substrate has a first surface. The first and second semiconductor chips are disposed on the first surface. The heat sink is disposed on the first surface so as to cover the first semiconductor chip. The heat sink has a second surface and the third surface opposite the first surface. The second surface faces the first surface. The heat sink has a first cut-out portion. The first cut-out portion is formed at a position overlapping with the second semiconductor chip in plan view, and penetrates the heat sink in a direction from the third surface toward the second surface. The second surface is joined to at least four corners of the first surface.

Abstract: A semiconductor device includes a semiconductor chip mounted over a wiring substrate. A signal wiring for input for transmitting input signals to the semiconductor chip and a signal wiring for output for transmitting output signals from the semiconductor chip are placed in different wiring layers in the wiring substrate and overlap with each other. In the direction of thickness of the wiring substrate, each of the signal wirings is sandwiched between conductor planes supplied with reference potential. In the front surface of the semiconductor chip, a signal electrode for input and a signal electrode for output are disposed in different rows. In cases where the signal wiring for output is located in a layer higher than the signal wiring for input in the wiring substrate, the signal electrode for output is placed in a row closer to the outer edge of the front surface than the signal electrode for input.

Abstract: A semiconductor device which provides improved reliability. The semiconductor device includes: a wiring substrate having a first surface and a second surface opposite to the first surface; a chip condenser built in the wiring substrate, having a first electrode and a second electrode; a first terminal and a second terminal disposed on the first surface; and a third terminal disposed on the second surface. The semiconductor device further includes: a first conduction path for coupling the first terminal and the third terminal; a second conduction path for coupling the first terminal and the first electrode; a third conduction path for coupling the third terminal and the first electrode; and a fourth conduction path for coupling the second terminal and the first electrode.

Abstract: Performance of a semiconductor device is improved. The semiconductor device includes a semiconductor chip and a chip component that are electrically connected to each other via a wiring substrate. The semiconductor chip includes an input/output circuit and an electrode pad electrically connected to the input/output circuit and transmitting the signal. The chip component includes a plurality of types of passive elements and includes an equalizer circuit for correcting signal waveforms of the signal, and electrodes electrically connected to the equalizer circuit. The path length from the signal electrode of the semiconductor chip to the electrode of the chip component is 1/16 or more and 3.5/16 or less with respect to the wavelength of the signal.

Abstract: A semiconductor device includes first and second semiconductor components mounted on an interposer mounted on a wiring substrate, and electrically connected to each other via the interposer. Also, a plurality of wiring layers of the interposer include first, second and third wiring layers which are stacked in order from a main surface side to be a reference. In addition, in a first region of the interposer sandwiched between the first semiconductor component and the second semiconductor component, a ratio of a reference potential wiring in the third wiring layer is higher than a ratio of a reference potential wiring in the first wiring layer. Further, in the first region, a ratio of a signal wiring in the first wiring layer is higher than a ratio of a signal wiring in the third wiring layer.

Abstract: A semiconductor device includes a semiconductor chip including a first circuit and a wiring substrate over which the semiconductor chip is mounted. The wiring substrate includes input signal wires transmitting an input signal to the semiconductor chip, output signal wires transmitting an output signal from the semiconductor chip, and first conductor planes supplied with a reference potential. When a wire cross-sectional area is defined as the cross-sectional area of each wire in a direction orthogonal to a direction in which the wire extends, the wire cross-sectional area of each input signal wire is smaller than the wire cross-sectional area of each output signal wire. In the thickness direction of the wiring substrate, each input signal wire is interposed between second conductor planes and third conductor planes each supplied with the reference potential. Between the output signal wires and the input signal wires, the third conductor planes are disposed.

Abstract: A semiconductor device includes a semiconductor chip mounted over a wiring substrate. A signal wiring for input for transmitting input signals to the semiconductor chip and a signal wiring for output for transmitting output signals from the semiconductor chip are placed in different wiring layers in the wiring substrate and overlap with each other. In the direction of thickness of the wiring substrate, each of the signal wirings is sandwiched between conductor planes supplied with reference potential. In the front surface of the semiconductor chip, a signal electrode for input and a signal electrode for output are disposed in different rows. In cases where the signal wiring for output is located in a layer higher than the signal wiring for input in the wiring substrate, the signal electrode for output is placed in a row closer to the outer edge of the front surface than the signal electrode for input.

Abstract: According to an embodiment of the present invention, there is provided a semiconductor device having a first semiconductor component and a second semiconductor component which are mounted on a wiring substrate. The first semiconductor component has a first terminal for transmitting a first signal between the first semiconductor component and the outside and a second terminal for transmitting a second signal between the first semiconductor component and the second semiconductor component. In addition, the second semiconductor component has a third terminal for transmitting the second signal between the second semiconductor component and the first semiconductor component. Further, the first signal is transmitted at a higher frequency than the second signal. Furthermore, the second terminal of the first semiconductor component and the third terminal of the second semiconductor component are electrically connected to each other via the first wiring member.

Abstract: A semiconductor device has a wiring substrate on which a semiconductor chip is mounted. A wiring layer of the wiring substrate has a wiring. This wiring has a main wiring unit extending in a direction “X” and a plurality of sub-wiring units extending in a direction “Y”, in a cross sectional view, and is supplied with a power source potential. The wiring layer has a wiring. This wiring has a main wiring unit extending in the direction “X” and a plurality of sub-wiring units extending in the direction “Y”, in a cross sectional view, and is supplied with a reference potential. The sub-wiring units and the sub-wiring units have end units and end units on a side opposed to the end units, and are alternately arranged along the direction “X” between the main wiring units. To the end units, via wirings are coupled.

Abstract: According to an embodiment of the present invention, there is provided a semiconductor device having a first semiconductor component and a second semiconductor component which are mounted on a wiring substrate. The first semiconductor component has a first terminal for transmitting a first signal between the first semiconductor component and the outside and a second terminal for transmitting a second signal between the first semiconductor component and the second semiconductor component. In addition, the second semiconductor component has a third terminal for transmitting the second signal between the second semiconductor component and the first semiconductor component. Further, the first signal is transmitted at a higher frequency than the second signal. Furthermore, the second terminal of the first semiconductor component and the third terminal of the second semiconductor component are electrically connected to each other via the first wiring member.

Abstract: It is intended to reduce the price of a semiconductor device and increase the reliability thereof. In an interposer, a plurality of wiring layers are disposed between uppermost-layer wiring and lowermost-layer wiring. For example, a third wiring layer is electrically coupled directly to a first wiring layer as the uppermost-layer wiring by a long via wire extending through insulating layers without intervention of a second wiring layer. For example, an upper-surface terminal made of the first wiring layer is electrically coupled directly to a via land made of the third wiring layer by the long via wire. Between the adjacent long via wires, three lead-out wires made of the second wiring layer can be placed. The number of the lead-out wires that can be placed between the adjacent long via wires is larger than the number of the lead-out wires that can be placed between the adjacent via lands.

Abstract: A semiconductor device according to an embodiment has a first semiconductor component and a second semiconductor component which are electrically connected with each other via an interposer. The interposer has a plurality of first signal wiring paths, and a plurality of second signal wiring paths each having a path distance smaller than each of the plurality of first signal wiring paths. Furthermore, the first semiconductor component includes a first electrode, a second electrode, and a third electrode arranged in order in a first direction. Furthermore, the second semiconductor component includes a fourth electrode, a fifth electrode, and a sixth electrode arranged in order in the first direction. Furthermore, the first electrode is connected with the fourth electrode via the first signal wiring path, the second electrode is connected with the fifth electrode via the first signal wiring path, and the third electrode is connected with the sixth electrode via the first signal wiring path.

Abstract: A semiconductor device with enhanced performance. The semiconductor device has a high speed transmission path which includes a first coupling part to couple a semiconductor chip and an interposer electrically, a second coupling part to couple the interposer and a wiring substrate, and an external terminal formed on the bottom surface of the wiring substrate. The high speed transmission path includes a first transmission part located in the interposer to couple the first and second coupling parts electrically and a second transmission part located in the wiring substrate to couple the second coupling part and the external terminal electrically. The high speed transmission path is coupled with a correction circuit in which one edge is coupled with a branching part located midway in the second transmission part and the other edge is coupled with a capacitative element, and the capacitative element is formed in the interposer.

Abstract: A semiconductor device which provides improved reliability. The semiconductor device includes: a wiring substrate having a first surface and a second surface opposite to the first surface; a chip condenser built in the wiring substrate, having a first electrode and a second electrode; a first terminal and a second terminal disposed on the first surface; and a third terminal disposed on the second surface. The semiconductor device further includes: a first conduction path for coupling the first terminal and the third terminal; a second conduction path for coupling the first terminal and the first electrode; a third conduction path for coupling the third terminal and the first electrode; and a fourth conduction path for coupling the second terminal and the first electrode.

Abstract: It is intended to reduce the price of a semiconductor device and increase the reliability thereof. In an interposer, a plurality of wiring layers are disposed between uppermost-layer wiring and lowermost-layer wiring. For example, a third wiring layer is electrically coupled directly to a first wiring layer as the uppermost-layer wiring by a long via wire extending through insulating layers without intervention of a second wiring layer. For example, an upper-surface terminal made of the first wiring layer is electrically coupled directly to a via land made of the third wiring layer by the long via wire. Between the adjacent long via wires, three lead-out wires made of the second wiring layer can be placed. The number of the lead-out wires that can be placed between the adjacent long via wires is larger than the number of the lead-out wires that can be placed between the adjacent via lands.

Abstract: A semiconductor device includes first and second semiconductor components mounted on an interposer mounted on a wiring substrate, and electrically connected to each other via the interposer. Also, a plurality of wiring layers of the interposer include first, second and third wiring layers which are stacked in order from a main surface side to be a reference. In addition, in a first region of the interposer sandwiched between the first semiconductor component and the second semiconductor component, a ratio of a reference potential wiring in the third wiring layer is higher than a ratio of a reference potential wiring in the first wiring layer. Further, in the first region, a ratio of a signal wiring in the first wiring layer is higher than a ratio of a signal wiring in the third wiring layer.

Abstract: A semiconductor device according to an embodiment has a first semiconductor component and a second semiconductor component which are electrically connected with each other via an interposer. The interposer has a plurality of first signal wiring paths, and a plurality of second signal wiring paths each having a path distance smaller than each of the plurality of first signal wiring paths. Furthermore, the first semiconductor component includes a first electrode, a second electrode, and a third electrode arranged in order in a first direction. Furthermore, the second semiconductor component includes a fourth electrode, a fifth electrode, and a sixth electrode arranged in order in the first direction. Furthermore, the first electrode is connected with the fourth electrode via the first signal wiring path, the second electrode is connected with the fifth electrode via the first signal wiring path, and the third electrode is connected with the sixth electrode via the first signal wiring path.

Abstract: A semiconductor device includes first and second semiconductor components mounted on an interposer mounted on a wiring substrate, and electrically connected to each other via the interposer. Also, a plurality of wiring layers of the interposer include first, second and third wiring layers which are stacked in order from a main surface side to be a reference. In addition, in a first region of the interposer sandwiched between the first semiconductor component and the second semiconductor component, a ratio of a reference potential wiring in the third wiring layer is higher than a ratio of a reference potential wiring in the first wiring layer. Further, in the first region, a ratio of a signal wiring in the first wiring layer is higher than a ratio of a signal wiring in the third wiring layer.

Abstract: A semiconductor device with enhanced performance. The semiconductor device has a high speed transmission path which includes a first coupling part to couple a semiconductor chip and an interposer electrically, a second coupling part to couple the interposer and a wiring substrate, and an external terminal formed on the bottom surface of the wiring substrate. The high speed transmission path includes a first transmission part located in the interposer to couple the first and second coupling parts electrically and a second transmission part located in the wiring substrate to couple the second coupling part and the external terminal electrically. The high speed transmission path is coupled with a correction circuit in which one edge is coupled with a branching part located midway in the second transmission part and the other edge is coupled with a capacitative element, and the capacitative element is formed in the interposer.