Patents by Inventor Inhak LEE
Inhak LEE 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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Publication number: 20250046366Abstract: A memory device includes a cell array including a plurality of static random-access memory (SRAM) cells; a row decoder configured to drive a plurality of word lines of the plurality of SRAM cells based on a row address; a data input/output circuit connected to a plurality of bit lines of the cell array and connected to a sub-power line configured to supply cell voltage to the plurality of SRAM cells; and a word line pulse generator configured to generate a word line pulse with a first pulse width that varies based on the row address and to provide the word line pulse to the row decoder.Type: ApplicationFiled: January 23, 2024Publication date: February 6, 2025Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kiryong KIM, Inhak Lee, Jaesung Choi
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Publication number: 20240412771Abstract: An embedded memory device includes a retention voltage supply circuit outputting a retention voltage in response to a retention activation signal, and a plurality of array voltage supply circuits outputting corresponding array voltages to corresponding bit cells. The plurality of array voltage supply circuits respectively include an array switch providing the retention voltage as a corresponding array voltage in response to the retention activation signal, a power switch providing a power supply voltage as the corresponding array voltage in response to a power gate activation signal, and an auxiliary circuit compensating the corresponding array voltage during a write operation or a read operation.Type: ApplicationFiled: November 13, 2023Publication date: December 12, 2024Inventors: Kiryong Kim, Jungmyung Kang, Inhak Lee, Jaesung Choi, Jeonseung Kang, Duhwi Kim, Jaeyoung Kim
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Patent number: 12080348Abstract: A semiconductor device includes a substrate including a first memory cell, a second memory cell adjacent to the first memory cell in a first direction, and a comparator circuit adjacent to the first and second memory cells in a second direction intersecting the first direction; a true bit line and a complementary bit line electrically connected to the first and second memory cells and extending in the first direction from a first wiring layer on the substrate; a first power supply wiring on the first wiring layer, extending in the first direction between the true bit line and the complementary bit line and electrically connected to the first and second memory cells; first and second word lines extending in the second direction from a second wiring layer on the substrate different from the first wiring layer; first word line pads on the first wiring layer and electrically connecting the first memory cell to the first word line; second word line pads on the first wiring layer and electrically connecting the secType: GrantFiled: August 19, 2022Date of Patent: September 3, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuwon Choi, Suk Youn, Chanho Lee, Taehyung Kim, Sangyeop Baeck, Inhak Lee
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Patent number: 11875844Abstract: Disclosed is a static random access memory (SRAM) device. According to example embodiments of the present disclosure, a control logic of the SRAM device may include a tracking circuit connected with metal lines for tracking the number of columns of a memory cell array and the number of rows of the memory cell array. By the tracking circuit, a length of word lines of the memory cell array and a length of bit lines of the memory cell array may be tracked. The control logic of the SRAM device may generate control pulses optimized for the size of the memory cell array, based on a tracking result(s) of the tracking circuit. Accordingly, a power and a time necessary for a write operation and a read operation may be reduced.Type: GrantFiled: January 17, 2022Date of Patent: January 16, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Inhak Lee, Sang-Yeop Baeck, Younghwan Park, Jaesung Choi
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Patent number: 11854610Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: GrantFiled: February 3, 2023Date of Patent: December 26, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
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Publication number: 20230186982Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung Kang, Hoon KIM, Jisu YU, Sun-Yung JANG
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Publication number: 20230178151Abstract: A semiconductor device includes a substrate including a first memory cell, a second memory cell adjacent to the first memory cell in a first direction, and a comparator circuit adjacent to the first and second memory cells in a second direction intersecting the first direction; a true bit line and a complementary bit line electrically connected to the first and second memory cells and extending in the first direction from a first wiring layer on the substrate; a first power supply wiring on the first wiring layer, extending in the first direction between the true bit line and the complementary bit line and electrically connected to the first and second memory cells; first and second word lines extending in the second direction from a second wiring layer on the substrate different from the first wiring layer; first word line pads on the first wiring layer and electrically connecting the first memory cell to the first word line; second word line pads on the first wiring layer and electrically connecting the secType: ApplicationFiled: August 19, 2022Publication date: June 8, 2023Inventors: Kyuwon Choi, Suk Youn, Chanho Lee, Taehyung Kim, Sangyeop Baeck, Inhak Lee
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Publication number: 20230144938Abstract: An integrated circuit includes is provided. The integrated circuit includes: a plurality of bit lines spaced apart from each other along a first direction and extending in a second direction perpendicular to the first direction through a first sub-array and a second sub-array neighboring the first sub-array in the second direction. Each of the plurality of bit lines includes: a first metal wiring extending in the second direction, the first metal wiring including a first portion and a second portion that is separated from the first portion by a first cutting portion; a third metal wiring extending in the second direction, and at least partially overlapping the first metal wiring along a third direction perpendicular to the first direction and the second direction; and two bridges electrically connecting the first metal wiring to the third metal wiring.Type: ApplicationFiled: November 3, 2022Publication date: May 11, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Inhak LEE, Sangyeop BAECK, Jaesung CHOI
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Patent number: 11581038Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: GrantFiled: August 26, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
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Publication number: 20220351772Abstract: Disclosed is a static random access memory (SRAM) device. According to example embodiments of the present disclosure, a control logic of the SRAM device may include a tracking circuit connected with metal lines for tracking the number of columns of a memory cell array and the number of rows of the memory cell array. By the tracking circuit, a length of word lines of the memory cell array and a length of bit lines of the memory cell array may be tracked. The control logic of the SRAM device may generate control pulses optimized for the size of the memory cell array, based on a tracking result(s) of the tracking circuit. Accordingly, a power and a time necessary for a write operation and a read operation may be reduced.Type: ApplicationFiled: January 17, 2022Publication date: November 3, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Inhak LEE, Sang-Yeop BAECK, Younghwan PARK, Jaesung CHOI
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Patent number: 11476257Abstract: An integrated circuit includes: a first wiring layer on which a first bit line pattern and a positive power supply pattern, a first power supply line landing pad, and a first word line landing pad are formed; a second wiring layer on which a first negative power supply pattern connected to the first power supply line landing pad, and a first word line pattern connected to the first word line landing pad are formed; a third wiring layer on which a second negative power supply pattern connected to the first negative power supply pattern, and a second word line landing pad connected to the first word line pattern are formed; and a fourth wiring layer on which a second word line pattern, connected to the second word line landing pad, are formed.Type: GrantFiled: July 9, 2021Date of Patent: October 18, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Inhak Lee, Seunghun Lee, Sangyeop Baeck, Seunghan Park, Hyejin Lee
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Publication number: 20220037339Abstract: An integrated circuit includes: a first wiring layer on which a first bit line pattern and a positive power supply pattern, a first power supply line landing pad, and a first word line landing pad are formed; a second wiring layer on which a first negative power supply pattern connected to the first power supply line landing pad, and a first word line pattern connected to the first word line landing pad are formed; a third wiring layer on which a second negative power supply pattern connected to the first negative power supply pattern, and a second word line landing pad connected to the first word line pattern are formed; and a fourth wiring layer on which a second word line pattern, connected to the second word line landing pad, are formed.Type: ApplicationFiled: July 9, 2021Publication date: February 3, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Inhak LEE, Seunghun LEE, Sangyeop BAECK, Seunghan PARK, Hyejin LEE
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Publication number: 20210383861Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: ApplicationFiled: August 26, 2021Publication date: December 9, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung KANG, Hoon KIM, Jisu YU, Sun-Yung JANG
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Patent number: 11183233Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: GrantFiled: September 10, 2019Date of Patent: November 23, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
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Patent number: 11152058Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: GrantFiled: September 10, 2019Date of Patent: October 19, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang
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Patent number: 11127730Abstract: A semiconductor device including memory cell transistors on a substrate is provided. The semiconductor device includes a first wiring layer on the memory cell transistors and including a bit line and a first conductive pattern, a second wiring layer on the first wiring layer and including a ground line, a first via interposed between and electrically connecting the bit line and a source/drain of a first memory cell transistor among the memory cell transistors, and a first extended via interposed between the ground line and a source/drain of a second memory cell transistor among the memory cell transistors. The ground line is electrically connected to the source/drain of the second memory cell transistor through the first extended via and the first conductive pattern. The first extended via has a width greater than that of the first via.Type: GrantFiled: August 13, 2019Date of Patent: September 21, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Inhak Lee, Sang-Yeop Baeck, JaeSeung Choi, Hyunsu Choi, SangShin Han
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Patent number: 10885954Abstract: A memory device includes a first write assist circuit providing a cell voltage or a write assist voltage to a first memory cell connected with a first bit line pair, a first write driver that provides write data to the first memory cell through the first bit line pair, a second write assist circuit that provides the cell voltage or the write assist voltage to a second memory cell connected with a second bit line pair, and a second write driver that provides write data to the second memory cell through the second bit line pair. One of the first and second write assist circuits provides the write assist voltage in response to a column selection signal for selecting one write driver, which provides write data, from among the first, and second write drivers, and the other thereof provides the cell voltage in response to the column selection signal.Type: GrantFiled: December 13, 2017Date of Patent: January 5, 2021Inventors: Sang-Yeop Baeck, Inhak Lee, SangShin Han, Tae-Hyung Kim, JaeSeung Choi, Sunghyun Park, Hyunsu Choi
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Publication number: 20200005860Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: ApplicationFiled: September 10, 2019Publication date: January 2, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop BAECK, Tae-Hyung KIM, Daeyoung MOON, Dong-Wook SEO, Inhak LEE, Hyunsu CHOI, Taejoong SONG, Jae-Seung CHOI, Jung-Myung KANG, Hoon KIM, Jisu YU, Sun-Yung JANG
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Publication number: 20190371782Abstract: A semiconductor device including memory cell transistors on a substrate is provided. The semiconductor device includes a first wiring layer on the memory cell transistors and including a bit line and a first conductive pattern, a second wiring layer on the first wiring layer and including a ground line, a first via interposed between and electrically connecting the bit line and a source/drain of a first memory cell transistor among the memory cell transistors, and a first extended via interposed between the ground line and a source/drain of a second memory cell transistor among the memory cell transistors. The ground line is electrically connected to the source/drain of the second memory cell transistor through the first extended via and the first conductive pattern. The first extended via has a width greater than that of the first via.Type: ApplicationFiled: August 13, 2019Publication date: December 5, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Inhak LEE, Sang-Yeop BAECK, JaeSeung CHOI, Hyunsu CHOI, SangShin HAN
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Patent number: 10453521Abstract: A semiconductor device includes an active area extending in a first direction, a first transistor including a first gate electrode and first source and drain areas disposed on the active area, the first source and drain areas being disposed at opposite sides of the first gate electrode, a second transistor including a second gate electrode and second source and drain areas disposed on the active area, the second source and drain areas being disposed at opposite sides of the second gate electrode, and a third transistor including a third gate electrode and third source and drain areas disposed on the active area, the third source and drain areas being disposed at opposite sides of the third gate electrode, and the first gate electrode, the second gate electrode, and the third gate electrode extending in a second direction different from the first direction. The second transistor is configured to turn on and off, based on an operation mode of the semiconductor device.Type: GrantFiled: January 27, 2017Date of Patent: October 22, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Yeop Baeck, Tae-Hyung Kim, Daeyoung Moon, Dong-Wook Seo, Inhak Lee, Hyunsu Choi, Taejoong Song, Jae-Seung Choi, Jung-Myung Kang, Hoon Kim, Jisu Yu, Sun-Yung Jang