Patents by Inventor Saeng-Hwan Kim

Saeng-Hwan Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170242754
    Abstract: Semiconductor device including an input and output line control circuit may be provided. The input/output line control circuit may include a write connection circuit configured to transmit data of a write local line pair based on a write control signal. The input/output line control circuit may include a connection circuit configured to transmit data received from the write connection circuit to a write segment line pair based on a switching signal. The input/output line control circuit may be configured to transmit data of the write local line pair to the write segment line pair, based on the switching signal and the write control signal.
    Type: Application
    Filed: June 1, 2016
    Publication date: August 24, 2017
    Inventors: Mun Seon JANG, Saeng Hwan KIM, Bo Yeun KIM
  • Publication number: 20170235324
    Abstract: A voltage generation circuit includes: a periodic wave generator that generates an on/off signal that is periodically enabled/disabled, where at least one between a period and a duty cycle of the on/off signal is controlled based on at least one information among temperature information, capacitance information, leakage current information, speed information, and voltage level information; and an internal voltage generator that is enabled/disabled in response to the on/off signal and generates an internal voltage.
    Type: Application
    Filed: June 30, 2016
    Publication date: August 17, 2017
    Inventors: Kyeong-Tae KIM, Chang-Hyun LEE, Jae-Boum PARK, Saeng-Hwan KIM
  • Patent number: 9711193
    Abstract: A driving signal control circuit includes a discharge circuit, a counter circuit, and a control circuit. The discharge circuit is configured to compare a monitored voltage and a reference voltage, and generate a discharge signal. The monitored voltage is proportional to a core voltage. The counter circuit is configured to perform an up/down count operation according to the discharge signal, and generate a count signal. The control circuit is configured to generate a driving signal which has an enable period proportional to the count signal.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: July 18, 2017
    Assignee: SK hynix Inc.
    Inventors: Man Keun Kang, Saeng Hwan Kim
  • Publication number: 20170194043
    Abstract: Provided is a periodic signal generation circuit including: a clock generation unit suitable for generating first to Nth clocks which have a basic period and have a phase increasing sequentially by a time interval obtained by dividing the basic period by ā€œNā€; a pulse generation unit suitable for generating first to Nth periodic pulses having an equal pulse width and having a phase increasing sequentially by a time interval obtained by dividing the basic period by ā€œNā€ by combining two or more clocks among the first to Nth clocks; and a periodic signal generation unit suitable for generating a periodic signal by combining one or more periodic pulses among the first to Nth periodic pulses depending on combination information.
    Type: Application
    Filed: June 8, 2016
    Publication date: July 6, 2017
    Inventors: Seung-Chan KIM, Saeng-Hwan KIM, Sang-Hoon LEE
  • Publication number: 20170186476
    Abstract: An address generation circuit may include: a first latch unit suitable for latching an address obtained by inverting a part of an input address; a second latch unit suitable for latching the partly inverted input address of the first latch unit, and suitable for latching an added/subtracted address after a first refresh operation during a target refresh period; a third latch unit suitable for latching the partly inverted input address of the first latch unit during a period other than the target refresh period; and an addition/subtraction unit suitable for generating the added/subtracted address by adding/subtracting a predetermined value to/from the latched address of the second latch unit.
    Type: Application
    Filed: March 15, 2017
    Publication date: June 29, 2017
    Inventors: Chul-Moon JUNG, Saeng-Hwan KIM
  • Patent number: 9673814
    Abstract: A semiconductor system may include a first semiconductor device and a second semiconductor device. The first semiconductor device may output set signals. The second semiconductor device may generate a start signal in response to the set signals, generate an input control code and an output control code from the set signals in response to the start signal, generate a frequency determination signal including information on an operation frequency in response to the output control code, and control an internal operation in response to the frequency determination signal.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: June 6, 2017
    Assignee: SK hynix Inc.
    Inventors: Won Kyung Chung, Saeng Hwan Kim
  • Patent number: 9659629
    Abstract: A sense amplifier driving device, and more particularly, a technology for improving the post overdriving operation characteristic of a semiconductor device. A sense amplifier driving device includes a driving signal generation block configured to compare a reference voltage set by a voltage trimming signal and a level of a power supply voltage, and generate a pull-up driving signal for controlling an operation of a sense amplifier; and a sense amplifier driving block configured to supply a driving voltage to a pull-up power line of the sense amplifier for an active operation period in correspondence to the pull-up driving signal, the driving signal generation block including a voltage divider configured to divide the power supply voltage, and output a divided voltage; and a voltage comparison section configured to compare the reference voltage and the divided voltage, and output a control signal for controlling an overdriving operation of the sense amplifier.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: May 23, 2017
    Assignee: SK hynix Inc.
    Inventors: Jun Yong Song, Jong Ho Son, Saeng Hwan Kim
  • Patent number: 9627032
    Abstract: An address generation circuit may include: a first latch unit suitable for latching an address obtained by inverting a part of an input address; a second latch unit suitable for latching the partly inverted input address of the first latch unit, and suitable for latching an added/subtracted address after a first refresh operation during a target refresh period; a third latch unit suitable for latching the partly inverted input address of the first latch unit during a period other than the target refresh period; and an addition/subtraction unit suitable for generating the added/subtracted address by adding/subtracting a predetermined value to/from the latched address of the second latch unit.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 18, 2017
    Assignee: SK Hynix Inc.
    Inventors: Chul-Moon Jung, Saeng-Hwan Kim
  • Patent number: 9584124
    Abstract: A semiconductor device may include a first channel provided in a first die. The semiconductor device may include a second channel provided in a second die and disposed adjacent to the first channel, and configured to exchange signals and data with the first channel. The first channel and the second channel may receive and output calibration-related signals from and to each other through bonding, and may share calibration start signals. The calibration start signal may be respectively generated in the first channel and the second channel.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: February 28, 2017
    Assignee: SK hynix Inc.
    Inventors: Won Kyung Chung, Saeng Hwan Kim
  • Publication number: 20170033791
    Abstract: A semiconductor system may include a first semiconductor device and a second semiconductor device. The first semiconductor device may output set signals. The second semiconductor device may generate a start signal in response to the set signals, generate an input control code and an output control code from the set signals in response to the start signal, generate a frequency determination signal including information on an operation frequency in response to the output control code, and control an internal operation in response to the frequency determination signal.
    Type: Application
    Filed: November 12, 2015
    Publication date: February 2, 2017
    Inventors: Won Kyung CHUNG, Saeng Hwan KIM
  • Publication number: 20170019100
    Abstract: A driving signal control circuit includes a discharge circuit, a counter circuit, and a control circuit. The discharge circuit is configured to compare a monitored voltage and a reference voltage, and generate a discharge signal. The monitored voltage is proportional to a core voltage. The counter circuit is configured to perform an up/down count operation according to the discharge signal, and generate a count signal. The control circuit is configured to generate a driving signal which has an enable period proportional to the count signal.
    Type: Application
    Filed: December 17, 2015
    Publication date: January 19, 2017
    Inventors: Man Keun KANG, Saeng Hwan KIM
  • Publication number: 20160373113
    Abstract: A semiconductor device may include a first channel provided in a first die. The semiconductor device may include a second channel provided in a second die and disposed adjacent to the first channel, and configured to exchange signals and data with the first channel. The first channel and the second channel may receive and output calibration-related signals from and to each other through bonding, and may share calibration start signals. The calibration start signal may be respectively generated in the first channel and the second channel.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: Won Kyung CHUNG, Saeng Hwan KIM
  • Publication number: 20160372176
    Abstract: A sense amplifier driving device, and more particularly, a technology for improving the post overdriving operation characteristic of a semiconductor device. A sense amplifier driving device includes a driving signal generation block configured to compare a reference voltage set by a voltage trimming signal and a level of a power supply voltage, and generate a pull-up driving signal for controlling an operation of a sense amplifier; and a sense amplifier driving block configured to supply a driving voltage to a pull-up power line of the sense amplifier for an active operation period in correspondence to the pull-up driving signal, the driving signal generation block including a voltage divider configured to divide the power supply voltage, and output a divided voltage; and a voltage comparison section configured to compare the reference voltage and the divided voltage, and output a control signal for controlling an overdriving operation of the sense amplifier.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Inventors: Jun Yong SONG, Jong Ho SON, Saeng Hwan KIM
  • Patent number: 9461647
    Abstract: A semiconductor device may include a first channel provided in a first die. The semiconductor device may include a second channel provided in a second die and disposed adjacent to the first channel, and configured to exchange signals and data with the first channel. The first channel and the second channel may receive and output calibration-related signals from and to each other through bonding, and may share calibration start signals. The calibration start signal may be respectively generated in the first channel and the second channel.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: October 4, 2016
    Assignee: SK HYNIX INC.
    Inventors: Won Kyung Chung, Saeng Hwan Kim
  • Publication number: 20160164521
    Abstract: A semiconductor device may include a first channel provided in a first die. The semiconductor device may include a second channel provided in a second die and disposed adjacent to the first channel, and configured to exchange signals and data with the first channel. The first channel and the second channel may receive and output calibration-related signals from and to each other through bonding, and may share calibration start signals. The calibration start signal may be respectively generated in the first channel and the second channel.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 9, 2016
    Inventors: Won Kyung CHUNG, Saeng Hwan KIM
  • Publication number: 20160019944
    Abstract: An address generation circuit may include: a first latch unit suitable for latching an address obtained by inverting a part of an input address; a second latch unit suitable for latching the partly inverted input address of the first latch unit, and suitable for latching an added/subtracted address after a first refresh operation during a target refresh period; a third latch unit suitable for latching the partly inverted input address of the first latch unit during a period other than the target refresh period; and an addition/subtraction unit suitable for generating the added/subtracted address by adding/subtracting a predetermined value to/from the latched address of the second latch unit.
    Type: Application
    Filed: December 12, 2014
    Publication date: January 21, 2016
    Inventors: Chul-Moon JUNG, Saeng-Hwan KIM
  • Patent number: 9190139
    Abstract: A memory may include a plurality of word lines, one or more redundancy word lines for replacing one or more word lines among the plurality of word lines, a target address generation unit suitable for generating one or more target addresses using a stored address, and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, refreshing a word line selected based on the target address when the refresh command is inputted M times, and refreshing the one or more redundancy word lines whenever the refresh command is inputted N times, wherein the M and N are natural numbers.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 17, 2015
    Assignee: SK Hynix Inc.
    Inventors: Chul-Moon Jung, Bo-Yeun Kim, Saeng-Hwan Kim
  • Patent number: 9134183
    Abstract: A temperature sensor includes: a gate voltage generation unit including a bias resistor, a first source resistor, and a first MOS transistor and configured to generate a gate voltage; and a variable voltage output unit including an output resistor, a second source resistor, and a second MOS transistor and configured to generate the variable voltage.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: September 15, 2015
    Assignee: SK Hynix Inc.
    Inventors: Hyun Sik Jeong, Saeng Hwan Kim
  • Publication number: 20150170728
    Abstract: A memory may include a plurality of word lines, one or more redundancy word lines for replacing one or more word lines among the plurality of word lines, a target address generation unit suitable for generating one or more target addresses using a stored address, and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, refreshing a word line selected based on the target address when the refresh command is inputted M times, and refreshing the one or more redundancy word lines whenever the refresh command is inputted N times, wherein the M and N are natural numbers.
    Type: Application
    Filed: June 4, 2014
    Publication date: June 18, 2015
    Inventors: Chul-Moon JUNG, Bo-Yeun KIM, Saeng-Hwan KIM
  • Patent number: 8848443
    Abstract: A semiconductor memory device includes at least one first semiconductor chip including a plurality of memory cells and a second semiconductor chip including a fuse circuit configured to repair defective cells among the memory cells of the at least one first semiconductor chip.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: September 30, 2014
    Assignee: Hynix Semiconductor Inc.
    Inventor: Saeng-Hwan Kim