849 patents
Page 34 of 43
Utility
Semiconductor device, power-supply system, and controlling method of semiconductor device
20 Apr 20
To safely stop a system even when an abnormality occurs in a power supply for a control circuit, a semiconductor device includes a control circuit, a first power supply that outputs a first voltage to be supplied to the control circuit as a power-supply voltage, a first voltage monitoring circuit that determines whether the first voltage is abnormal, a first switch that is coupled to the first power supply and the control circuit, and cuts off supply of the first voltage to the control circuit when it is determined that the first voltage is abnormal, and a power-supply switching circuit that is coupled to the control circuit and a second power supply, which outputs a second voltage to be supplied to a circuit to which power supply is supplied other than the control circuit as a power-supply voltage, and supplies the second voltage to the control circuit in a state where the supply of the first voltage to the control circuit is cut off.
Masataka Motohashi, Yosuke Watanabe
Filed: 5 Jul 18
Utility
Data processor using a ring bus and method for controlling the same
20 Apr 20
A data processor capable of suppressing variation in latency during a bus access is provided.
Manabu Koike
Filed: 31 Oct 18
Utility
Content addressable memory
20 Apr 20
A content addressable memory includes a plurality of TCAM cells which configure one entry, a first word line coupled to the TCAM cells, a second word line coupled to the TCAM cells and a match line coupled to the TCAM cells and further includes a valid cell which stores a valid bit which indicates validity or invalidity of the entry, a bit line coupled to the valid line and a selection circuit which is coupled to the first word line and the second word line and sets the valid cell to a selected state in accordance with a situation where the first word line or the second word line is set to the selected state.
Yohei Sawada, Makoto Yabuuchi, Masao Morimoto
Filed: 19 Mar 18
Utility
Semiconductor device, electrical energy measurement instrument, and manufacturing method of semiconductor device
20 Apr 20
According to one embodiment, a semiconductor device 1 includes an Si substrate 11, an inductor 12 formed in wiring layers disposed above the Si substrate 11, and a shield 13 formed so as to surround the inductor 12, in which the shield 13 includes metals 105 to 109 formed in, among the wiring layers, a layer in which the inductor 12 is formed and a layer above that layer, and a silicide 104 formed between the Si substrate 11 and the wiring layers above the Si substrate 11.
Shinichi Uchida, Keiichiro Tanaka, Takafumi Kuramoto
Filed: 4 Apr 17
Utility
Semiconductor device and method for manufacturing the same
20 Apr 20
A semiconductor device in which the retention characteristics of a rewritable memory cell packaged together with a field effect transistor including a metal gate electrode are improved and a method for manufacturing the semiconductor device.
Tatsuyoshi Mihara
Filed: 28 Aug 18
Utility
Semiconductor device and battery voltage monitoring device
20 Apr 20
A semiconductor device is provided for measuring a voltage of each of plural unit cells series-coupled in multi-stage and configuring an assembled battery.
Yoshitaka Muramoto, Junko Kimura, Hirohiko Hayakawa
Filed: 5 Jul 17
Utility
Communication system, communication device, and communication method
20 Apr 20
To reduce a hardware circuit scale and a memory capacity in a communication system reducing a PAPR.
Hirofumi Nakano, Yoshitaka Shibuya
Filed: 13 Jan 19
Utility
Current detection in a semiconductor device
13 Apr 20
A semiconductor device includes: a drive transistor controlling current supply to a load; a current detector unit detecting a current of a sense transistor through which a current proportional to the current flowing through the drive transistor flows; a controller unit generating a pulse signal with a duty ratio corresponding to the detection result of the current detector unit; a voltage monitor monitoring whether a voltage of an external output terminal reaches a battery voltage; and a pre-driver performing charge and discharge to a control terminal of the drive transistor based on the pulse signal.
Hideyuki Tajima
Filed: 16 Jan 19
Utility
Electronic device and system
13 Apr 20
In a system including a terminal device where a plurality of apps are installed and can be executed and a management device capable of communicating with the terminal device; even if the terminal device does not have an advanced security function such as a secure boot, the validity of apps is determined in conjunction with the reliable management device.
Seishiro Nagano
Filed: 22 Mar 17
Utility
Semiconductor device and manufacturing method therefor
13 Apr 20
A memory gate electrode and a control gate electrode are formed to cover a fin projecting from the upper surface of a semiconductor substrate.
Tadashi Yamaguchi
Filed: 20 Aug 18
Utility
Semiconductor device, semiconductor system, and control method of semiconductor device
13 Apr 20
A semiconductor device includes a differential amplification circuit that outputs differential output signals Vo1 and Vo2, external output terminals PD1 and PD2 to which one of the differential output signals Vo1 and Vo2 and single end signals Vo3 and Vo4 is selectively supplied, switch units SW1 and SW2 that control a conduction state between the external output terminal PD1 and the feedback line and a conduction state between the external output terminal PD2 and the feedback line, respectively, resistance elements R1 and R2 respectively provided in series with the switch units SW1 and SW2, a CMFB circuit that controls a common mode voltage of the differential amplification circuit according to a difference between an intermediate voltage Vcm of the external output terminals PD1 and PD2 in the feedback line and a reference voltage Vref, and a switch unit SW3 that controls to supply a clamp voltage to the feedback line.
Hiroyuki Kuge
Filed: 21 Jun 18
Utility
Motorcycle and control method thereof, and semiconductor device
6 Apr 20
A motorcycle (300) includes a clutch lever (14), a clutch switch (15) configured to detect whether or not the clutch lever (14) is gripped, a vehicle speed sensor (16) configured to detect a vehicle speed, a hydraulic rear brake (18), a pressurizing unit (17) configured to perform a pressurizing process that applies an oil pressure to the rear brake (18), and a microcontroller (19) configured to control the pressurizing process by the pressurizing unit (17) based on results of the detection by the vehicle speed sensor (16) and the clutch switch (15).
Shoji Nakashima, Masanao Yokoyama
Filed: 3 Jan 17
Utility
Semiconductor device
6 Apr 20
An object of the present invention is to provide a semiconductor device capable of simplifying a trimming operation.
Shota Okayama, Akihiko Kanda
Filed: 8 Jan 19
Utility
Semiconductor device and manufacturing method thereof
6 Apr 20
A semiconductor substrate is easily warped by the shrink of the insulating film formed within the deep trench according to the thermal processing in the super junction structure.
Yoshinori Yoshida, Tsuyoshi Kachi
Filed: 26 Jun 18
Utility
Semiconductor device
6 Apr 20
To stably operate a negative-voltage level shifter even when a voltage value of a high level of an input signal is lowered, a negative-voltage level shifter in a semiconductor device includes a first level shifter, a second level shifter, and a first medium-voltage generating circuit.
Yoji Kashihara, Koichi Takeda
Filed: 14 Jan 19
Utility
Interrupt monitoring systems and methods for failure detection for a semiconductor device
6 Apr 20
A semiconductor device includes an interrupt control circuit that receives a plurality of interrupt signals from the circuit blocks and outputs an interrupt request to the processor, and an interrupt monitoring circuit that corresponds to one of the interrupt signals and includes a setting circuit for setting a monitoring type and first and second monitoring periods.
Kyohei Yamaguchi, Daisuke Kawakami, Hiroyuki Hamasaki
Filed: 2 Oct 18
Utility
Semiconductor integrated circuit device and semiconductor device
30 Mar 20
Even when a driven circuit has a large-scale load, a small-scale step-down driver circuit can supply an internal potential to the driven circuit at high speed.
Hiroyuki Takahashi, Muneaki Matsushige
Filed: 6 Mar 18
Utility
Semiconductor device and electronic apparatus
30 Mar 20
A semiconductor device, including a first semiconductor chip including a first substrate having a semiconductor larger in bandgap than silicon, the first semiconductor chip being formed with a first FET including a first gate electrode, a first source, and a first drain, a second semiconductor chip including a second substrate having a semiconductor larger in bandgap than silicon, the second semiconductor chip being formed with a second FET having a second gate electrode, a second source, and a second drain, and a third semiconductor chip including a third substrate having silicon, the third semiconductor chip being formed with a MOSFET including a third gate electrode, a third source, and a third drain.
Satoru Akiyama, Hiroyoshi Kobayashi, Hisao Inomata, Sei Saitou
Filed: 11 Feb 18
Utility
Semiconductor device, and on-vehicle electronic device and automobile each including the semiconductor device
30 Mar 20
A semiconductor integrated power device including: an output transistor configured to drive an external load element; a temperature detection circuit configured to: output a first detection signal in reference to a temperature difference between a temperature of the output transistor and an ambient temperature; and output a second detection signal in reference to a temperature difference between a temperature of the output transistor and a first reference temperature; and a current limiter circuit configured to limit a current flowing through the output transistor according to the first detection signal and the second detection signal.
Akira Uemura, Akihiro Nakahara
Filed: 3 May 17
Utility
A/D converter and semiconductor device
30 Mar 20
An A/D converter includes an A/D conversion circuit for converting an analog output signal into a digital signal, and a control circuit for controlling the A/D conversion circuit.
Yasuyuki Tanaka, Masaaki Tanimura
Filed: 13 May 19