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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ishii; Hirotomo
Address:
Kamakura, JP
No. of patents:
9
Patents:












Patent Number Title Of Patent Date Issued
8139330 Semiconductor integrated circuit March 20, 2012
A semiconductor integrated circuit includes a first and second power supply domain circuits having a first and second power supply terminals, respectively. An internal signal propagation line propagates a signal from a circuit of the first power supply domain circuit to that of the s
7528758 Flash-type analog to digital conversion circuit for comparing an analog input voltage with a plu May 5, 2009
A plurality of reference voltages are generated by a reference voltage generation circuit. A plurality of comparators is supplied respectively with an analog input voltage and any two reference voltages out of the plurality of reference voltages. A threshold voltage of each of the co
7382302 A/D converter with voltage generation circuits June 3, 2008
An A/D converter has a first voltage generation circuit, a second voltage generation circuit, a comparator, first and second switch circuits connected in series between an input terminal of an analog input voltage and an output terminal of the first voltage generation circuit, a first
7332941 Analog switch circuit and sample-and-hold circuit including the same February 19, 2008
First and second analog switches are connected in series between first and second nodes. One terminal of a third analog switch is connected to a series connection node of the first and second analog switches. The other terminal of the third analog switch is supplied with a second voltage
7307822 Semiconductor integrated circuit apparatus December 11, 2007
A semiconductor integrated circuit device is disclosed, which comprises power supply system circuits, in which power supply terminals and/or ground terminals are separated from each other between the power supply system circuits, an electrostatic discharge protecting circuit, an inte
7265701 Analog to digital conversion circuit September 4, 2007
A plurality of reference voltages are generated by a reference voltage generation circuit. A plurality of comparators is supplied respectively with an analog input voltage and any two reference voltages out of the plurality of reference voltages. A threshold voltage of each of the co
7167031 Synchronizing circuit provided with hysteresis phase comparator January 23, 2007
A synchronizing circuit includes a phase comparator having hysteresis characteristics and a dead zone, and configured to generate a frequency division ratio control signal based on a phase difference between a first clock and a second clock. The circuit further includes a variable fr
6570520 DA converter May 27, 2003
Considering that MOS transistors on a common integrated circuit can be controlled in resistance ratio between them with a relatively high accuracy, a DA converter is improved in accuracy by replacing resistors required to be accurate with MOS transistors without inviting an increase
6359510 Amplifier circuit March 19, 2002
A balanced type DDA 1 is combined with a single end type DDA 2 to form a differential amplifier circuit 3 which is a balanced type DDA. The balanced type DDA 1 has four input terminals VPP, VPN, VNN and VNP which are input terminals of two differential input stages, and two output te










 
 
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