Patents Assigned to Renesas Technology Corp.
  • Patent number: 7926010
    Abstract: A method of determining defects in photomasks according to the present invention is designed to increase the yield of the manufacture of photomasks and to decrease the cost of inspecting the photomasks. In the method, circuit data 1 representing a circuit to be formed on a semiconductor substrate by photolithography is prepared, and layout data 2 is prepared from the circuit data 1. The layout data is converted to compensated layout data by performing RET. Further, mask-manufacturing data is developed from the compensated layout data. To form patterns on a semiconductor substrate by photolithography, attribute information is imparted to the mask-manufacturing data. The attribute information represents whether the patterns are adaptive to electrically active regions or electrically non-active region. In the mask-inspecting process 6, a criterion for determining whether the patterns formed on the photomasks have defects is changed in accordance with the attribute information.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: April 12, 2011
    Assignees: Dai Nippon Printing Co., Ltd., Renesas Technology Corp
    Inventors: Shogo Narukawa, Yoshikazu Nagamura
  • Patent number: 7911855
    Abstract: A semiconductor device capable of reducing power consumption is provided. When a power to an internal circuit is interrupted, e.g., in a standby mode, a switch is turned off, and a pseudo-ground line is charged with a leak current of the internal circuit to raise a potential thereof. After the switch is turned off, a switch connected to a charge supply unit is turned on while the potential is rising, so that the charge supply unit is electrically coupled to the pseudo-ground line. Thereby, charges accumulated in the charge supply unit are discharged to the pseudo-ground line. The switch is turned off to decouple electrically the charge supply unit from the pseudo-ground line. Thereby, when the power supply is interrupted, a part of the charges for raising the potential of the pseudo-ground line is supplemented with the charges of the charge supply unit.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: March 22, 2011
    Assignee: Renesas Technology Corp.
    Inventor: Akira Tada
  • Patent number: 7906840
    Abstract: A semiconductor integrated circuit package, a printed circuit board, a semiconductor apparatus, and a power supply wiring structure that allow attainment of stable power source and ground wiring without causing resonance even in a high-frequency bandwidth are provided. In an interior portion of the package, a power source wiring and a ground wiring constitute a pair wiring structure in which the power source wiring and the ground wiring are juxtaposed at a predetermined interval so as to establish electromagnetic coupling therebetween. A plurality of pair wiring structures are combined in such a manner that, when viewed in a section perpendicular to a wiring extending direction, the pair wiring assembly assumes a staggered (checkered) configuration. It is preferable that, each of the silicon chip and the printed circuit board, like the package, has pair wiring structures disposed inside.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: March 15, 2011
    Assignees: Kyocera Corporation, Oki Electric Industry Co., Ltd., Kabushiki Kaisha Toshiba, Fuji Xerox Co., Ltd., Fujitsu Microelectronics Limited, Renesas Technology Corp., Ibiden Co., Ltd., Kanji Otsuka, Yutaka Akiyama
    Inventors: Kanji Otsuka, Yutaka Akiyama
  • Patent number: 7902539
    Abstract: Any of a plurality of contact plugs which reaches a diffusion layer serving as a drain layer of an MOS transistor has an end provided in contact with a lower surface of a thin insulating film provided selectively on an interlayer insulating film. A phase change film constituted by GST to be a chalcogenide compound based phase change material is provided on the thin insulating film, and an upper electrode is provided thereon. Any of the plurality of contact plugs which reaches the diffusion layer serving as a source layer has an end connected directly to an end of a contact plug penetrating an interlayer insulating film.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: March 8, 2011
    Assignee: Renesas Technology Corp.
    Inventors: Masahiro Moniwa, Fumihiko Nitta, Masamichi Matsuoka, Satoshi Iida
  • Patent number: 7885626
    Abstract: A transceiver suitable for larger scale of integration employs direct conversion reception for reducing the number of filters. Also, the number of VCOs is reduced by utilizing dividers to supply a receiver and a transmitter with locally oscillated signals at an RF band. Dividers each having a fixed division ratio are used for generating locally oscillated signals for the receiver, while a divider having a switchable division ratio are used for generating the locally oscillated signal for the transmitter. In addition, a variable gain amplifier for baseband signal is provided with a DC offset voltage detector and a DC offset canceling circuit for supporting high speed data communications to accomplish fast cancellation of a DC offset by eliminating intervention of a filter within a feedback loop for offset cancellation.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: February 8, 2011
    Assignees: Renesas Technology Corp., TTPCOM Limited
    Inventors: Satoshi Tanaka, Kazuo Watanabe, Masao Hotta, Toyohiko Hongo, Taizo Yamawaki, Masumi Kasahara, Kumiko Takikawa
  • Publication number: 20110029829
    Abstract: An object of the present invention is to provide a semiconductor device capable of recognizing circuit malfunction in an actual operation and of specifying a point of the circuit malfunction, and the semiconductor device, which does not induce the malfunction in the circuit of a subsequent stage when restoring the malfunction. The present invention is the semiconductor device provided with a plurality of logic circuits and a plurality of judging circuits for judging malfunction based on data from the logic circuits, wherein each of the judging circuits is provided with a first register, delay unit, a second register, a comparator and scanning unit, which makes the second register a shift register to allow to transmit an error signal held in the second register to the subsequent stage, while allowing the comparator to hold a comparison result.
    Type: Application
    Filed: October 7, 2010
    Publication date: February 3, 2011
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventor: Masanori KURIMOTO
  • Publication number: 20110022759
    Abstract: The present invention provides a technique capable of processing a plurality of interrupt causes sharing one interrupt request in different processors. An interrupt controller outputs an interrupt request when the interrupt request shared by a plurality of interrupt causes is notified. The interrupt request output by the interrupt controller is accepted by one of the processors. The processor accepting the interrupt request determines whether the interrupt cause that the processor must process has occurred, executes an interrupt processing when such interrupt cause has occurred, and notifies the generation of the interrupt request to another processor that processes another interrupt cause of the plurality of interrupt causes sharing the interrupt request when the relevant interrupt cause has not occurred.
    Type: Application
    Filed: August 31, 2010
    Publication date: January 27, 2011
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Hirokazu TAKATA, Naoto Sugai
  • Patent number: 7876654
    Abstract: An IC provided in an optical disk device having an objective lens and a pickup for a disk. The IC has a circuit for holding a signal which drives the objective lens in a focus or tracking direction and for detecting the moving direction of the objective lens, and a circuit for generating a signal which applies an acceleration to the objective lens. When the objective lens passes through a defect on the disk, on the basis of the detected moving direction of the objective lens, the IC applies the acceleration alternately in plus and minus directions to the objective lens to make the objective lens stationary. As a result, after the defect passage, the objective lens can be quickly returned to a focused point or an on-track position and reproducing/recording operation can be resumed.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: January 25, 2011
    Assignee: Renesas Technology Corp.
    Inventor: Yukinobu Tada
  • Publication number: 20110012180
    Abstract: The semiconductor integrated circuit device employs on the same silicon substrate a plurality of kinds of MOS transistors with different magnitudes of tunnel current flowing either between the source and gate or between the drain and gate thereof. These MOS transistors include tunnel-current increased MOS transistors at least one of which is for use in constituting a main circuit of the device. The plurality of kinds of MOS transistors also include tunnel-current reduced or depleted MOS transistors at least one of which is for use with a control circuit. This control circuit is inserted between the main circuit and at least one of the two power supply units.
    Type: Application
    Filed: July 19, 2010
    Publication date: January 20, 2011
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Nozomu Matsuzaki, Hiroyuki Mizuno, Masashi Horiguchi
  • Publication number: 20110002170
    Abstract: A memory array including memory mats is arranged in a U shape when seen in two dimensions, and a logic circuit and an analog circuit are arranged in a region unoccupied by the memory array. This facilitates transmission of power supply voltage and signals between the peripheral circuit including the analog and logic circuits and the pad band including power supply and data pads. The analog circuit is positioned close to the power supply pad, so that voltage drop due to the resistance of power supply interconnection is restricted. It is also possible to separate a charge pumping power supply interconnection and a peripheral circuit power supply interconnection in the vicinity of the power supply pad.
    Type: Application
    Filed: August 3, 2010
    Publication date: January 6, 2011
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Taku OGURA, Tadaaki Yamauchi, Hidenori Mitani, Takashi Kubo, Kengo Aritomi
  • Publication number: 20110001177
    Abstract: A semiconductor device, having a memory cell region and a peripheral circuit region, includes an insulating film, having an upper surface, formed on a major surface of a semiconductor substrate to extend from the memory cell region to the peripheral circuit region. A capacitor lower electrode assembly is formed in the memory cell region to upwardly extend to substantially the same height as the upper surface of the insulating film on the major surface of the semiconductor substrate. Additionally, the lower electrode assembly includes first and second lower electrodes that are adjacent through the insulating film. A capacitor upper electrode is formed on the capacitor lower electrode through a dielectric film, to extend onto the upper surface of the insulating film. The capacitor lower electrode includes a capacitor lower electrode part having a top surface and a bottom surface.
    Type: Application
    Filed: September 13, 2010
    Publication date: January 6, 2011
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Yoshinori TANAKA, Masahiro Shimizu, Hideaki Arima
  • Publication number: 20100323491
    Abstract: Any of a plurality of contact plugs which reaches a diffusion layer serving as a drain layer of an MOS transistor has an end provided in contact with a lower surface of a thin insulating film provided selectively on an interlayer insulating film. A phase change film constituted by GST to be a chalcogenide compound based phase change material is provided on the thin insulating film, and an upper electrode is provided thereon. Any of the plurality of contact plugs which reaches the diffusion layer serving as a source layer has an end connected directly to an end of a contact plug penetrating an interlayer insulating film.
    Type: Application
    Filed: August 27, 2010
    Publication date: December 23, 2010
    Applicant: Renesas Technology Corp.
    Inventors: Masahiro MONIWA, Fumihiko Nitta, Masamichi Matsuoka, Satoshi Iida
  • Publication number: 20100325386
    Abstract: In arithmetic/logic units (ALU) provided corresponding to entries, an MIMD instruction decoder generating a group of control signals in accordance with a Multiple Instruction-Multiple Data (MIMD) instruction and an MIMD register storing data designating the MIMD instruction are provided, and an inter-ALU communication circuit is provided. The amount and direction of movement of the inter-ALU communication circuit are set by data bits stored in a movement data register. It is possible to execute data movement and arithmetic/logic operation with the amount of movement and operation instruction set individually for each ALU unit. Therefore, in a Single Instruction-Multiple Data type processing device, Multiple Instruction-Multiple Data operation can be executed at high speed in a flexible manner.
    Type: Application
    Filed: June 23, 2010
    Publication date: December 23, 2010
    Applicant: Renesas Technology Corp.
    Inventors: Toshinori Sueyoshi, Masahiro Iida, Mitsutaka Nakano, Fumiaki Senoue, Katsuya Mizumoto
  • Publication number: 20100314676
    Abstract: A memory cell capacitor (C3) of a DRAM is formed by use of a MIM capacitor which uses as its electrode a metal wiring line of the same layer (M3) as metal wiring lines within a logic circuit (LOGIC), thereby enabling reduction of process costs. Higher integration is achievable by forming the capacitor using a high dielectric constant material and disposing it above a wiring layer in which bit lines (BL) are formed. In addition, using 2T cells makes it possible to provide a sufficient signal amount even when letting them operate with a low voltage. By commonizing the processes for fabricating capacitors in analog (ANALOG) and memory (MEM), it is possible to realize a semiconductor integrated circuit with the logic, analog and memory mounted together on one chip at low costs.
    Type: Application
    Filed: August 23, 2010
    Publication date: December 16, 2010
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Satoru Akiyama, Takao Watanabe, Yuichi Matsui, Masahiko Hiratani
  • Publication number: 20100314686
    Abstract: A gate electrode is provided such that both ends thereof in a gate width direction are projected from an active region in plane view. Partial trench isolation insulation films are provided in a surface of an SOI substrate corresponding to lower parts of the both ends, and body contact regions are provided in the surface of the SOI substrate outside the both ends of the gate electrode in the gate width direction so as to be adjacent to the respective partial trench isolation insulation films. The body contact region and a body region are electrically connected through an SOI layer (well region) under the partial trench isolation insulation film. In addition, a source tie region in which P type impurity is doped in a relatively high concentration is provided in the surface of a source region in the vicinity of the center of the gate electrode in the gate width direction.
    Type: Application
    Filed: August 23, 2010
    Publication date: December 16, 2010
    Applicant: Renesas Technology Corp.
    Inventor: Yuichi HIRANO
  • Patent number: 7853776
    Abstract: A bytecode accelerator which translates stack-based intermediate language (bytecodes) into register-based CPU instructions transfers plural pieces of internal information from a register file of a CPU to the bytecode accelerator by means of an internal transfer bus between the bytecode accelerator and the CPU and an input selection logic of the bytecode accelerator when the bytecode accelerator is started and transfers plural pieces of internal information in the bytecode accelerator to the register file of the CPU by means of the internal transfer bus, an output selector and an output selector selection logic of the bytecode accelerator when the bytecode accelerator ends its operation in transition between hardware processing and software processing by software virtual machine.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: December 14, 2010
    Assignee: Renesas Technology Corp.
    Inventors: Tetsuya Yamada, Naohiko Irie
  • Publication number: 20100313080
    Abstract: Provided is a CAN system that can generate an error signal without requiring hardware for generating an error signal to be connected to a bus. A protocol processing part within a CAN controller incorporates error data into receive data or send data, based on error data information stored in a register.
    Type: Application
    Filed: July 29, 2010
    Publication date: December 9, 2010
    Applicant: Renesas Technology Corp.
    Inventors: Toshiyuki UEMURA, Yasuyuki INOUE
  • Publication number: 20100308417
    Abstract: In a full CMOS SRAM having a lateral type cell (memory cell having three partitioned wells arranged side by side in a word line extending direction and longer in the word line direction than in the bit line direction) including first and second driver MOS transistors, first and second load MOS transistors and first and second access MOS transistors, two capacitors are arranged spaced apart from each other on embedded interconnections to be storage nodes, with lower and upper cell plates cross-coupled to each other.
    Type: Application
    Filed: August 18, 2010
    Publication date: December 9, 2010
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventor: Takahiro YOKOYAMA
  • Publication number: 20100308858
    Abstract: A memory cell mat is divided into a plurality of entries, and an arithmetic logic unit is arranged corresponding to each entry. Between the entries and the corresponding arithmetic logic units, arithmetic/logic operation is executed in bit-serial and entry-parallel manner. Where parallel operation is not very effective, data is transferred in entry-serial and bit-parallel manner to a group of processors provided at a lower portion of the memory mat. In this manner, a large amount of data can be processed at high speed regardless of the contents of operation or data bit width.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 9, 2010
    Applicant: Renesas Technology Corp.
    Inventors: Hideyuki NODA, Kazunori Saitoh, Kazutami Ariomoto, Katsumi Dosaka
  • Publication number: 20100309641
    Abstract: A method of forming narrow-pitch flip-chip bonding electrodes and wire bonding electrodes at the same time is provided so as to reduce the cost of a substrate. In addition, a low-cost solder supply method and a flip-chip bonding method to a thin Au layer are provided. A stacked layer of a Cu layer 23 and a Ni layer 24 is employed as the electrode structure, and an Au layer 25 is plated on the outer periphery thereof. In the flip-chip bonding, dissolution of Au into the solder is minimized by employing a metal jet system in the soldering to the electrodes, so that the formation of Sn—Au having a high melting point is prevented, and at the same time, the wire-bondable Au layer 25 is ensured.
    Type: Application
    Filed: March 21, 2008
    Publication date: December 9, 2010
    Applicant: RENESAS TECHNOLOGY CORP.
    Inventors: Hanae Hata, Masato Nakamura, Masaki Nakanishi, Nobuhiro Kinoshita