Patents by Inventor Dong-Hyuk Chae

Dong-Hyuk Chae 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: 20210117321
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi Weon YOON, Dong Hyuk CHAE, Sang-Wan NAM, Jung-Yun YUN
  • Patent number: 10909032
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: February 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi Weon Yoon, Dong Hyuk Chae, Sang-Wan Nam, Jung-Yun Yun
  • Publication number: 20200242030
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi Weon YOON, Dong Hyuk CHAE, Sang-Wan NAM, Jung-Yun YUN
  • Patent number: 10671529
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi Weon Yoon, Dong Hyuk Chae, Sang-Wan Nam, Jung-Yun Yun
  • Patent number: 10304544
    Abstract: A memory device includes a plurality of memory cells, bit lines connected to the plurality of memory cells, and page buffers coupled to the plurality of memory cells through the bit lines, and performing a read operation on the plurality of memory cells, wherein each of the page buffers comprises: a first latch controlling a bit line precharge operation during the read operation; and a second latch storing a result of a first sensing operation and a result of a second sensing operation performed after the first sensing operation, wherein a value stored in the second latch is inverted when the result of the first sensing operation and the result of second sensing operation are different from each other during the second sensing operation.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 28, 2019
    Assignee: SK hynix Inc.
    Inventors: Hee Joung Park, Kyeong Seung Kang, Won Chul Shin, Dong Hyuk Chae
  • Publication number: 20180322929
    Abstract: A memory device includes a plurality of memory cells, bit lines connected to the plurality of memory cells, and page buffers coupled to the plurality of memory cells through the bit lines, and performing a read operation on the plurality of memory cells, wherein each of the page buffers comprises: a first latch controlling a bit line precharge operation during the read operation; and a second latch storing a result of a first sensing operation and a result of a second sensing operation performed after the first sensing operation, wherein a value stored in the second latch is inverted when the result of the first sensing operation and the result of second sensing operation are different from each other during the second sensing operation.
    Type: Application
    Filed: December 8, 2017
    Publication date: November 8, 2018
    Inventors: Hee Joung PARK, Kyeong Seung KANG, Won Chul SHIN, Dong Hyuk CHAE
  • Publication number: 20180046574
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 15, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi Weon YOON, Dong Hyuk CHAE, Sang-Wan NAM, Jung-Yun YUN
  • Patent number: 9798659
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 24, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi Weon Yoon, Dong Hyuk Chae, Sang-Wan Nam, Jung-Yun Yun
  • Publication number: 20150370705
    Abstract: At least one address scheduling method includes selecting a first bit line, selecting a first string connected to the first bit line, performing address scheduling on N pages of each of multi-level cells in the first string sequentially from a bottom word line to a top word line, and after completing the address scheduling on all word lines in the first string, performing address scheduling on second to k-th strings sequentially in the same manner as performed with respect to the first string, where “k” is 2 or a natural number greater than 2.
    Type: Application
    Filed: August 27, 2015
    Publication date: December 24, 2015
    Inventors: Chi Weon YOON, Dong Hyuk CHAE, Sang-Wan NAM, Jung-Yun YUN
  • Patent number: 9036425
    Abstract: A three-dimensional (3D) non-volatile memory includes a memory cell array and a merge driver configured to apply a merge voltage at the same level to a common source line and a bulk in the memory cell array.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi Weon Yoon, Sang-Wan Nam, Dong Hyuk Chae
  • Patent number: 8995189
    Abstract: A memory system comprises a multi-bit memory device and a memory controller that controls the multi-bit memory device. The memory system determines whether a requested program operation is a random program operation or a sequential program operation. Where the requested program operation is a random program operation, the memory controller controls the multi-bit memory device to perform operations according to a fine program close policy or a fine program open policy.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Yong Yoon, Dong Hyuk Chae, Bo Geun Kim
  • Patent number: 8693247
    Abstract: A non-volatile memory device comprises a memory cell array comprising memory cells arranged in rows connected to corresponding word lines and columns connected to corresponding bit lines, a page buffer that stores a program data, a read-write circuit that programs and re-programs the program data into selected memory cells of the memory cell array and reads stored data from the programmed memory cells, and a control circuit that controls the page buffer and the read-write circuit to program the selected memory cells by loaded the program data from in page buffer and to re-program the selected memory cells by re-loaded the program data in the page buffer.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: April 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-Weon Yoon, Dong-Hyuk Chae, Sang-Wan Nam, Sung-Won Yun
  • Patent number: 8667365
    Abstract: A memory system includes a plurality of memory devices, a controller configured to control the plurality of memory devices, and at least one channel connected between the plurality of memory devices and the controller. The at least one channel includes input/output data lines and control signal lines, which are connected with the plurality of memory devices, and chip enable signal lines respectively connected to each of the plurality of memory devices, wherein the chip enable signal lines enable the plurality of memory devices independently.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: March 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Phil Jo, Dong Hyuk Chae, Sung Chung Park, Dong Gu Kang
  • Publication number: 20130329497
    Abstract: A memory system comprises a multi-bit memory device and a memory controller that controls the multi-bit memory device. The memory system determines whether a requested program operation is a random program operation or a sequential program operation. Where the requested program operation is a random program operation, the memory controller controls the multi-bit memory device to perform operations according to a fine program close policy or a fine program open policy.
    Type: Application
    Filed: August 19, 2013
    Publication date: December 12, 2013
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Sang Yong YOON, Dong Hyuk CHAE, Bo Geun KIM
  • Publication number: 20130279260
    Abstract: A non-volatile memory device comprises a memory cell array comprising memory cells arranged in rows connected to corresponding word lines and columns connected to corresponding bit lines, a page buffer that stores a program data, a read-write circuit that programs and re-programs the program data into selected memory cells of the memory cell array and reads stored data from the programmed memory cells, and a control circuit that controls the page buffer and the read-write circuit to program the selected memory cells by loaded the program data from in page buffer and to re-program the selected memory cells by re-loaded the program data in the page buffer.
    Type: Application
    Filed: June 17, 2013
    Publication date: October 24, 2013
    Inventors: Chi-Weon YOON, Dong-Hyuk CHAE, Sang-Wan NAM, Sung-Won Yun
  • Patent number: 8539144
    Abstract: A nonvolatile semiconductor memory device includes a memory cell array having a plurality of banks and a cache block corresponding to each of the plurality of banks. The cache block has a predetermined data storage capacity. A page buffer is included which corresponds to each of the plurality of banks. A programming circuit programs all of the plurality of banks except a last of said banks with page data. The page data is loaded through each page buffer and programmed into each cache block such that when page data for the last bank is loaded into the page buffer, the loaded page data and the page data programmed into the respective cache blocks are programmed into respective corresponding banks.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: September 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hyuk Chae, Young-Ho Lim
  • Patent number: 8526245
    Abstract: A memory system comprises a multi-bit memory device and a memory controller that controls the multi-bit memory device. The memory system determines whether a requested program operation is a random program operation or a sequential program operation. Where the requested program operation is a random program operation, the memory controller controls the multi-bit memory device to perform operations according to a fine program close policy or a fine program open policy.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: September 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Yong Yoon, Dong Hyuk Chae, Bo Geun Kim
  • Patent number: 8493785
    Abstract: A non-volatile memory device includes a memory cell array which includes a plurality of non-volatile memory cells, a plurality of word lines, and a plurality of bit lines. The memory device further includes an internal data output line for outputting data read from the bit lines of the memory array, and a page buffer operatively connected between a bit line of the memory cell array and the internal data output line. The page buffer includes a sense node which is selectively connected to the bit line, a latch circuit having a latch node which is selectively connected to the sense node, a latch input path which sets a logic voltage of the latch node in the programming mode and the read mode, and a latch output path which is separate from the latch input path.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: July 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Soo Lee, Young-Ho Lim, Hyun-Chul Cho, Dong-Hyuk Chae
  • Patent number: 8479085
    Abstract: A memory system includes: a memory controller including an error correction decoder. The error correction decoder includes: a demultiplexer adapted to receive data and demultiplex the data into a first set of data and a second set of data; first and second buffer memories for storing the first and second sets of data, respectively; an error detector; an error corrector; and a multiplexer adapted to multiplex the first set of data and the second set of data and to provide the multiplexed data to the error corrector. While the error corrector corrects errors in the first set of data, the error detector detects errors in the second set of data stored in the second buffer memory.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: July 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Phil Jo, Jun Jin Kong, Chan Ho Yoon, Dong Hyuk Chae, Kyoung Lae Cho
  • Patent number: 8472247
    Abstract: A non-volatile memory device comprises a memory cell array comprising memory cells arranged in rows connected to corresponding word lines and columns connected to corresponding bit lines, a page buffer that stores a program data, a read-write circuit that programs and re-programs the program data into selected memory cells of the memory cell array and reads stored data from the programmed memory cells, and a control circuit that controls the page buffer and the read-write circuit to program the selected memory cells by loaded the program data from in page buffer and to re-program the selected memory cells by re-loaded the program data in the page buffer.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: June 25, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-Weon Yoon, Dong-Hyuk Chae, Sang-Wan Nam, Sung-Won Yun