Renesas Electronics Corporation

Nec Electronics Corporation

Kenichi Kuboyama

Shuuichi Kariyazaki

Kohji Kanamori

Wataru Shiroi

Hideaki Arima

Ryuichi Oikawa

Toshiharu Okamoto

Muneaki Matsushige

Susumu Takano

Toshihiko Funaki

Shuuichi Senou

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.

Semiconductor device

To improve reliability of signal transmission of an interposer which couples between semiconductor chips. A reference potential wiring and a reference potential wiring are provided on both neighboring sides of a signal wiring provided in a first wiring layer of an interposer. Also, a reference potential wiring and a reference potential wiring are provided on both neighboring sides of a signal wiring provided in a second wiring layer of the interposer. Further, the signal wiring and the signal wiring cross each other in plan view. The reference potential wirings of the first wiring layer, and the reference potential wirings of the second wiring layer are coupled to each other at the periphery of their crossing portion.

A semiconductor apparatus according to an aspect of the present invention includes first and second bus-interface circuits, a first memory core connected to the first bus-interface circuit through a first data bus, the first memory core being connected to a first access control signal output from the first bus-interface circuit, a second memory core connected to the second bus-interface circuit through a second data bus, and a select circuit that selectively connects one of the first access control signal and a second access control signal output from the second bus-interface circuit to the second memory core.

Semiconductor apparatus

In a semiconductor or memory device, a first ODT (On Die Termination) circuit is provided between a termination voltage port and a command input port. A first ODT controlling circuit is connected between the termination voltage port and the first ODT circuit, and detects a level of a voltage applied to the termination voltage port and controls the first ODT circuit to connect the termination voltage port and the command input port based on the detection result.

Semiconductor memory device

A semiconductor-memory device that reduces leak off due to miniaturization of memory cells, and comprises as a single unit cell: a substratehaving a trench section; a selector gatethat is located via an insulating filmon the substrate adjacent to the trench section; a first wellthat is formed on the surface of the substratebelow the selector gate; a floating gatethat is located via an insulating filmon the surface of the bottom section and sidewall section of the trench section; a second wellthat is formed on the surface of the bottom section of the trench sectionbelow the floating gate; a first diffusion areathat is formed on the surface of the bottom section of the trench section; and a control gatelocated via an insulating filmon top of the floating gate; and where the area near the sidewall surface and bottom surface of the trench sectionforms a channel in the selector gate; and the impurity density of the first wellis not more than the impurity density of the second well

A programmable non-volatile semiconductor memory device includes a select gate, arranged in a first region on a substrate, a floating gatearranged in a second region neighboring to the first region, a first diffusion regionprovided in a third region neighboring to the second region, a control gatearranged on the floating gate, and a driving circuitadapted for controlling voltages applied to the substrate(well), select gate, first diffusion regionand control gateThe driving circuit performs control so that, during erasure operation, voltages applied to select gateand the control gateare negative, with the remaining voltage, applied to the substrate(or well), being positive. The device permits erasure operation at a lower voltage.

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Kanagawa, Japan

Kenichi Kuboyama