Patents by Inventor Jong-Man Im
Jong-Man Im 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).
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Patent number: 11428718Abstract: A semiconductor device includes a period defining block suitable for generating a period defining signal corresponding to a predetermined test time period based on a test mode signal and one or more command signals; and a monitoring block suitable for generating a monitoring signal corresponding to an oscillation signal during the test time period based on the period defining signal.Type: GrantFiled: June 26, 2019Date of Patent: August 30, 2022Assignee: SK hynix IncInventors: Yu-Ri Lim, Jong-Man Im
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Patent number: 11328763Abstract: A semiconductor memory device includes a common driver suitable for generating a preliminary driving signal according to a voltage at a first node; and a plurality of individual drivers suitable for providing a core voltage to a sense amplifying circuit of a corresponding one of a plurality of cell mats, according to the preliminary driving signal, wherein each of the individual drivers includes: a level shifting circuit suitable for outputting a main driving signal by shifting a level of the preliminary driving signal when a corresponding mat select signal and a pull-up driving signal are activated; a pull-up driver suitable for driving a pull-up power line with the core voltage according to the main driving signal; and a switch suitable for coupling the first node to the pull-up power line when the corresponding mat select signal and the pull-up driving signal are activated.Type: GrantFiled: September 30, 2020Date of Patent: May 10, 2022Assignee: SK hynix Inc.Inventor: Jong Man Im
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Publication number: 20210366533Abstract: A semiconductor memory device includes a common driver suitable for generating a preliminary driving signal according to a voltage at a first node; and a plurality of individual drivers suitable for providing a core voltage to a sense amplifying circuit of a corresponding one of a plurality of cell mats, according to the preliminary driving signal, wherein each of the individual drivers includes: a level shifting circuit suitable for outputting a main driving signal by shifting a level of the preliminary driving signal when a corresponding mat select signal and a pull-up driving signal are activated; a pull-up driver suitable for driving a pull-up power line with the core voltage according to the main driving signal; and a switch suitable for coupling the first node to the pull-up power line when the corresponding mat select signal and the pull-up driving signal are activated.Type: ApplicationFiled: September 30, 2020Publication date: November 25, 2021Inventor: Jong Man IM
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Patent number: 10763838Abstract: A semiconductor device includes a voltage adjust circuit suitable for generating an adjusting voltage according to a counting signal; an oscillating circuit operable by an oscillating control signal, and suitable for outputting an operational clock signal whose frequency is controlled by the adjusting voltage; a pumping circuit suitable for generating an internal voltage by pumping a source voltage according to the operational clock signal; and a counting circuit suitable for generating the counting signal by counting the operational clock signal according to the oscillating control signal.Type: GrantFiled: June 13, 2019Date of Patent: September 1, 2020Assignee: SK hynix Inc.Inventor: Jong-Man Im
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Publication number: 20200186138Abstract: A semiconductor device includes a voltage adjust circuit suitable for generating an adjusting voltage according to a counting signal; an oscillating circuit operable by an oscillating control signal, and suitable for outputting an operational clock signal whose frequency is controlled by the adjusting voltage; a pumping circuit suitable for generating an internal voltage by pumping a source voltage according to the operational clock signal; and a counting circuit suitable for generating the counting signal by counting the operational clock signal according to the oscillating control signal.Type: ApplicationFiled: June 13, 2019Publication date: June 11, 2020Inventor: Jong-Man IM
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Publication number: 20190317139Abstract: A semiconductor device includes a period defining block suitable for generating a period defining signal corresponding to a predetermined test time period based on a test mode signal and one or more command signals; and a monitoring block suitable for generating a monitoring signal corresponding to an oscillation signal during the test time period based on the period defining signal.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Inventors: Yu-Ri LIM, Jong-Man IM
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Patent number: 10359451Abstract: A semiconductor device includes a period defining block suitable for generating a period defining signal corresponding to a predetermined test time period based on a test mode signal and one or more command signals; and a monitoring block suitable for generating a monitoring signal corresponding to an oscillation signal during the test time period based on the period defining signal.Type: GrantFiled: March 30, 2016Date of Patent: July 23, 2019Assignee: SK hynix Inc.Inventors: Yu-Ri Lim, Jong-Man Im
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Patent number: 9793009Abstract: A repair information storage circuit may include a fuse block, a controller, and a fuse latch array. The fuse block provides a boot-up enable signal and repair information. The controller generates a voltage control signal in response to the boot-up enable signal. The fuse latch array stores repair information provided from the fuse block. The voltage control signal, which is used as a bulk bias of a transistor formed in the fuse latch array, is adjustable.Type: GrantFiled: March 17, 2016Date of Patent: October 17, 2017Assignee: SK hynix Inc.Inventors: Woong Kyu Choi, Jong Man Im, Jun Cheol Park
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Patent number: 9690317Abstract: A semiconductor device includes: an internal voltage generation block suitable for generating an internal voltage based on first and second external voltages whose power-up sections are different from each other; and a control block suitable for fixing the internal voltage to a predetermined voltage level during a control section including a first power-up section of the first external voltage and a second power-up section of the second external voltage.Type: GrantFiled: April 28, 2015Date of Patent: June 27, 2017Assignee: SK Hynix Inc.Inventors: Jong-Man Im, Jun-Cheol Park
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Publication number: 20170131330Abstract: A semiconductor device includes a period defining block suitable for generating a period defining signal corresponding to a predetermined test time period based on a test mode signal and one or more command signals; and a monitoring block suitable for generating a monitoring signal corresponding to an oscillation signal during the test time period based on the period defining signal.Type: ApplicationFiled: March 30, 2016Publication date: May 11, 2017Inventors: Yu-Ri LIM, Jong-Man IM
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Publication number: 20160241141Abstract: A voltage generator may include: an internal voltage generation unit suitable for generating an internal voltage by pumping an external voltage in response to a pumping cycle signal; and a capacitance adjusting unit comprising a capacitive element which receives and transmits the pumping cycle signal to the internal voltage generation unit, and is suitable for adjusting a capacitance of the capacitive element based on the external voltage.Type: ApplicationFiled: June 18, 2015Publication date: August 18, 2016Inventors: Jong-Man IM, Woong-Kyu CHOI
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Publication number: 20160202718Abstract: A voltage generation circuit includes a plurality of voltage generation units each configured to include an internal voltage with a reference voltage, generate a detection signal based on a comparison result between the internal voltage and the reference voltage, and adjust the level of the internal voltage in response to an oscillation signal, a control unit configured to generate an oscillation control signal in response to the detection signals, an oscillator configured to generate the oscillation signal in response to the oscillation control signal, and a selective output unit configured to selectively supply the oscillation signal to one or more of the plurality of voltage generation units in response to the detection signals.Type: ApplicationFiled: March 22, 2016Publication date: July 14, 2016Inventor: Jong Man IM
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Publication number: 20160196881Abstract: A repair information storage circuit may include a fuse block, a controller, and a fuse latch array. The fuse block provides a boot-up enable signal and repair information. The controller generates a voltage control signal in response to the boot-up enable signal. The fuse latch array stores repair information provided from the fuse block. The voltage control signal, which is used as a bulk bias of a transistor formed in the fuse latch array, is adjustable.Type: ApplicationFiled: March 17, 2016Publication date: July 7, 2016Inventors: Woong Kyu CHOI, Jong Man IM, Jun Cheol PARK
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Publication number: 20160179125Abstract: A semiconductor device includes: an internal voltage generation block suitable for generating an internal voltage based on first and second external voltages whose power-up sections are different from each other; and a control block suitable for fixing the internal voltage to a predetermined voltage level during a control section including a first power-up section of the first external voltage and a second power-up section of the second external voltage.Type: ApplicationFiled: April 28, 2015Publication date: June 23, 2016Inventors: Jong-Man IM, Jun-Cheol PARK
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Patent number: 9324459Abstract: A repair information storage circuit may include a fuse block, a controller, and a fuse latch array. The fuse block provides a boot-up enable signal and repair information. The controller generates a voltage control signal in response to the boot-up enable signal. The fuse latch array stores repair information provided from the fuse block. The voltage control signal, which is used as a bulk bias of a transistor formed in the fuse latch array, is adjustable.Type: GrantFiled: January 29, 2015Date of Patent: April 26, 2016Assignee: SK hynix Inc.Inventors: Woong Kyu Choi, Jong Man Im, Jun Cheol Park
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Patent number: 9323276Abstract: A voltage generation circuit includes a plurality of voltage generation units each configured to include an internal voltage with a reference voltage, generate a detection signal based on a comparison result between the internal voltage and the reference voltage, and adjust the level of the internal voltage in response to an oscillation signal, a control unit configured to generate an oscillation control signal in response to the detection signals, an oscillator configured to generate the oscillation signal in response to the oscillation control signal, and a selective output unit configured to selectively supply the oscillation signal to one or more of the plurality of voltage generation units in response to the detection signals.Type: GrantFiled: December 11, 2012Date of Patent: April 26, 2016Assignee: SK HYNIX INC.Inventor: Jong Man Im
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Publication number: 20150364166Abstract: A semiconductor device includes: a sense amplification block suitable for sensing and amplifying a data loaded on a pair of data lines based on a pull-up driving voltage supplied through a pull-up power source line and a pull-down driving voltage supplied through a pull-down power source line; and a voltage supply block suitable for supplying a first high voltage as the pull-up driving voltage to the pull-up power source line and a first low voltage as the pull-down driving voltage to the pull-down power source line in a first mode, and supplying the first high voltage as the pull-up driving voltage to the pull-up power source line and a second low voltage having a voltage level lower than a voltage level of the first low voltage as the pull-down driving voltage to the pull-down power source line during an initial period of a second mode which is a subsequent mode of the first mode.Type: ApplicationFiled: October 29, 2014Publication date: December 17, 2015Inventors: Jong-Man IM, Sung-Soo CHI
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Patent number: 9093174Abstract: A refresh control circuit of a semiconductor apparatus includes a variable delay unit configured to delay a signal that is activated quickest among a plurality of row address strobe signals activated at a predetermined time interval by a predetermined time, and to generate a preliminary pulse signal, and a piled delay unit configured to delay the preliminary pulse signal by various times, and to generate a plurality of refresh period pulse signals that are sequentially activated.Type: GrantFiled: December 21, 2012Date of Patent: July 28, 2015Assignee: Sk Hynix Inc.Inventor: Jong Man Im
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Publication number: 20140126311Abstract: A refresh control circuit of a semiconductor apparatus includes a variable delay unit configured to delay a signal that is activated quickest among a plurality of row address strobe signals activated at a predetermined time interval by a predetermined time, and to generate a preliminary pulse signal, and a piled delay unit configured to delay the preliminary pulse signal by various times, and to generate a plurality of refresh period pulse signals that are sequentially activated.Type: ApplicationFiled: December 21, 2012Publication date: May 8, 2014Applicant: SK HYNIX INC.Inventor: Jong man IM
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Publication number: 20140062445Abstract: A voltage generation circuit includes a plurality of voltage generation units each configured to include an internal voltage with a reference voltage, generate a detection signal based on a comparison result between the internal voltage and the reference voltage, and adjust the level of the internal voltage in response to an oscillation signal, a control unit configured to generate an oscillation control signal in response to the detection signals, an oscillator configured to generate the oscillation signal in response to the oscillation control signal, and a selective output unit configured to selectively supply the oscillation signal to one or more of the plurality of voltage generation units in response to the detection signals.Type: ApplicationFiled: December 11, 2012Publication date: March 6, 2014Applicant: SK HYNIX INC.Inventor: Jong Man IM