Patents by Inventor A Ram RIM

A Ram RIM 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: 20240056078
    Abstract: A semiconductor device includes a first circuit having a first power gating structure, a second circuit, and a third circuit having a second power gating structure that is different from the first power gating structure, and suitable for isolating the second circuit from the first circuit during a particular period.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Inventors: Woongrae KIM, Yoo-Jong LEE, A-Ram RIM
  • Patent number: 11838020
    Abstract: A semiconductor device includes a first circuit having a first power gating structure, a second circuit, and a third circuit having a second power gating structure that is different from the first power gating structure, and suitable for isolating the second circuit from the first circuit during a particular period.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: December 5, 2023
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Yoo-Jong Lee, A-Ram Rim
  • Patent number: 11670348
    Abstract: A semiconductor device includes a data input/output control block including a first power gating circuit coupled to a supply terminal of a first voltage and a second power gating circuit coupled to a supply terminal of a second voltage, the data input/output control block suitable for generating a control signal using the first and second voltages, a data input/output block including a third power gating circuit coupled to any one of the supply terminal of the first voltage and the supply terminal of the second voltage, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the control signal, and a memory block, coupled to the data input/output block, suitable for writing or reading the data signal.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: June 6, 2023
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Yoo-Jong Lee, A-Ram Rim
  • Patent number: 11670347
    Abstract: A semiconductor device includes a data input/output control block including a first power gating circuit coupled to a supply terminal of a first voltage and a second power gating circuit coupled to a supply terminal of a second voltage, the data input/output control block suitable for generating a control signal using the first and second voltages, a data input/output block including a third power gating circuit coupled to any one of the supply terminal of the first voltage and the supply terminal of the second voltage, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the control signal, and a memory block, coupled to the data input/output block, suitable for writing or reading the data signal.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: June 6, 2023
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Yoo-Jong Lee, A-Ram Rim
  • Patent number: 11664087
    Abstract: A semiconductor device includes a memory bank including a first memory block, a second memory block, and a redundancy memory block, and a column line selection circuit configured, when a fail occurs in a first column line of the first memory block, to replace the first column line of the first memory block with a first redundancy line of the redundancy memory block, and replace a second column line of the second memory block with a second redundancy line of the redundancy memory block.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: May 30, 2023
    Assignee: SK hynix Inc.
    Inventors: A Ram Rim, Tae Sik Yun
  • Publication number: 20220406399
    Abstract: A semiconductor device includes a memory bank including a first memory block, a second memory block, and a redundancy memory block, and a column line selection circuit configured, when a fail occurs in a first column line of the first memory block, to replace the first column line of the first memory block with a first redundancy line of the redundancy memory block, and replace a second column line of the second memory block with a second redundancy line of the redundancy memory block.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 22, 2022
    Applicant: SK hynix Inc.
    Inventors: A Ram RIM, Tae Sik YUN
  • Publication number: 20210174847
    Abstract: A semiconductor device includes a data input/output control block including a first power gating circuit coupled to a supply terminal of a first voltage and a second power gating circuit coupled to a supply terminal of a second voltage, the data input/output control block suitable for generating a control signal using the first and second voltages, a data input/output block including a third power gating circuit coupled to any one of the supply terminal of the first voltage and the supply terminal of the second voltage, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the control signal, and a memory block, coupled to the data input/output block, suitable for writing or reading the data signal.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 10, 2021
    Inventors: Woongrae KIM, Yoo-Jong LEE, A-Ram RIM
  • Publication number: 20210166739
    Abstract: A semiconductor device includes a data input/output control block including a first power gating circuit coupled to a supply terminal of a first voltage and a second power gating circuit coupled to a supply terminal of a second voltage, the data input/output control block suitable for generating a control signal using the first and second voltages, a data input/output block including a third power gating circuit coupled to any one of the supply terminal of the first voltage and the supply terminal of the second voltage, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the control signal, and a memory block, coupled to the data input/output block, suitable for writing or reading the data signal.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 3, 2021
    Inventors: Woongrae KIM, Yoo-Jong LEE, A-Ram RIM
  • Patent number: 10943626
    Abstract: A semiconductor device includes a data input/output control block including a first power gating circuit coupled to a supply terminal of a first voltage and a second power gating circuit coupled to a supply terminal of a second voltage, the data input/output control block suitable for generating a control signal using the first and second voltages, a data input/output block including a third power gating circuit coupled to any one of the supply terminal of the first voltage and the supply terminal of the second voltage, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the control signal, and a memory block, coupled to the data input/output block, suitable for writing or reading the data signal.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: March 9, 2021
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Yoo-Jong Lee, A-Ram Rim
  • Patent number: 10326446
    Abstract: A semiconductor apparatus may include a logic circuit, a power gating circuit and a power gating control system. The logic circuit may operate by receiving a first power supply voltage and a second power supply voltage, and may retain an output signal at a predetermined logic value during a standby operation of the semiconductor apparatus. The power gating circuit may apply the first power supply voltage and the second power supply voltage to the logic circuit when a gating control signal is in an enabled state. The power gating control system may test whether the output signal of the logic circuit retains the predetermined logic value when the power gating circuit is turned off, and may generate the gating control signal based on a test result and an operation mode of the semiconductor apparatus.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: June 18, 2019
    Assignee: SK hynix Inc.
    Inventors: Woongrae Kim, Bok Rim Ko, A Ram Rim
  • Publication number: 20180337676
    Abstract: A semiconductor apparatus may include a logic circuit, a power gating circuit and a power gating control system. The logic circuit may operate by receiving a first power supply voltage and a second power supply voltage, and may retain an output signal at a predetermined logic value during a standby operation of the semiconductor apparatus. The power gating circuit may apply the first power supply voltage and the second power supply voltage to the logic circuit when a gating control signal is in an enabled state. The power gating control system may test whether the output signal of the logic circuit retains the predetermined logic value when the power gating circuit is turned off, and may generate the gating control signal based on a test result and an operation mode of the semiconductor apparatus.
    Type: Application
    Filed: December 4, 2017
    Publication date: November 22, 2018
    Applicant: SK hynix Inc.
    Inventors: Woongrae KIM, Bok Rim KO, A Ram RIM
  • Patent number: 9767885
    Abstract: A semiconductor device may include a power control signal generator and a sense amplifier circuit. The power control signal generator may generate a first power control signal, an enablement moment of the first power control signal controlled according to a logic level combination of temperature code signals in response to a mode signal. The sense amplifier circuit may generate a first power signal driven in response to the first power control signal and may generate a second power signal driven in response to a second power control signal. The sense amplifier circuit may sense and amplify a level of a bit line using the first power signal and the second power signal.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: September 19, 2017
    Assignee: SK hynix Inc.
    Inventors: A Ram Rim, Ho Uk Song
  • Publication number: 20170133079
    Abstract: A semiconductor device may include a power control signal generator and a sense amplifier circuit. The power control signal generator may generate a first power control signal, an enablement moment of the first power control signal controlled according to a logic level combination of temperature code signals in response to a mode signal. The sense amplifier circuit may generate a first power signal driven in response to the first power control signal and may generate a second power signal driven in response to a second power control signal. The sense amplifier circuit may sense and amplify a level of a bit line using the first power signal and the second power signal.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 11, 2017
    Inventors: A Ram RIM, Ho Uk SONG
  • Patent number: 9583173
    Abstract: A semiconductor device may include a power control signal generator and a sense amplifier circuit. The power control signal generator may generate a first power control signal, an enablement moment of the first power control signal controlled according to a logic level combination of temperature code signals in response to a mode signal. The sense amplifier circuit may generate a first power signal driven in response to the first power control signal and may generate a second power signal driven in response to a second power control signal. The sense amplifier circuit may sense and amplify a level of a bit line using the first power signal and the second power signal.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: February 28, 2017
    Assignee: SK HYNIX INC.
    Inventors: A Ram Rim, Ho Uk Song
  • Patent number: 9543837
    Abstract: An apparatus for adjusting an internal voltage includes a device characteristic detection circuit which detects a device characteristic, compares the device characteristic with an external clock, and generates a comparison signal, and an internal voltage adjustment circuit which receives an adjustment code generated based on the comparison signal, adjusts a level of an internal voltage, and generates a level-adjusted internal voltage.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 10, 2017
    Assignee: SK HYNIX INC.
    Inventors: Ho Uk Song, A Ram Rim
  • Patent number: 9502081
    Abstract: An internal voltage generation circuit may include a temperature information generation unit configured to generate a temperature code having a code value corresponding to a temperature. The temperature information generation unit may include a process variation information generation unit configured to generate a process code having a code value corresponding to a process variation. The temperature information generation unit may include a code combination unit configured to generate a combination code in response to a ratio control signal, the temperature code, and the process code. The temperature information generation unit may include an internal voltage generation unit configured to generate an internal voltage having a voltage level corresponding to a code value of the combination code.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: November 22, 2016
    Assignee: SK HYNIX INC.
    Inventors: Ho Uk Song, A Ram Rim
  • Publication number: 20160307616
    Abstract: A semiconductor device may include a power control signal generator and a sense amplifier circuit. The power control signal generator may generate a first power control signal, an enablement moment of the first power control signal controlled according to a logic level combination of temperature code signals in response to a mode signal. The sense amplifier circuit may generate a first power signal driven in response to the first power control signal and may generate a second power signal driven in response to a second power control signal. The sense amplifier circuit may sense and amplify a level of a bit line using the first power signal and the second power signal.
    Type: Application
    Filed: July 24, 2015
    Publication date: October 20, 2016
    Inventors: A Ram RIM, Ho Uk SONG
  • Publication number: 20160254034
    Abstract: An internal voltage generation circuit may include a temperature information generation unit configured to generate a temperature code having a code value corresponding to a temperature. The temperature information generation unit may include a process variation information generation unit configured to generate a process code having a code value corresponding to a process variation. The temperature information generation unit may include a code combination unit configured to generate a combination code in response to a ratio control signal, the temperature code, and the process code. The temperature information generation unit may include an internal voltage generation unit configured to generate an internal voltage having a voltage level corresponding to a code value of the combination code.
    Type: Application
    Filed: May 28, 2015
    Publication date: September 1, 2016
    Inventors: Ho Uk SONG, A Ram RIM
  • Patent number: 9418758
    Abstract: A test circuit of a semiconductor apparatus includes a plurality of memory blocks, and a comparison block configured to compare data of two memory blocks, wherein the two of the plurality of memory blocks do not share word lines.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: August 16, 2016
    Assignee: SK hynix Inc.
    Inventor: A Ram Rim
  • Patent number: 9324408
    Abstract: A semiconductor memory device may include a power control signal generator and a sense amplifier circuit. The power control signal generator may generate a first power control signal, the first power control signal having an enablement period that may be controlled in response to a temperature signal having a cycle time. The cycle time may be controlled according to a mode signal and an internal temperature. The sense amplifier circuit may generate a first power signal driven to have a first drive voltage in response to the first power control signal. In addition, the sense amplifier circuit may sense and amplify a level of a bit line using the first power signal as a power supply voltage.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: April 26, 2016
    Assignee: SK hynix Inc.
    Inventors: A Ram Rim, Ho Uk Song