Patents by Inventor Moon-Hae Son

Moon-Hae Son 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).

  • Patent number: 11670361
    Abstract: An integrated circuit includes a memory cell array coupled to a bitline and a first wordline and a negative-type metal-oxide-semiconductors (NMOS) pull-down structure coupled to the bitline and PMOS transistors. The positive-type metal-oxide-semiconductors (PMOS) transistors may be coupled to a second wordline, where a logic value carried on the second wordline is based on a logic value carried on the first wordline, and the PMOS transistors are structured to pre-charge respective drains of the NMOS pull-down structure to a high logic value based on a low logic value carried on the second wordline. The NMOS pull-down structure may be structured to discharge the bitline based on a high logic value carried on the second wordline.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: June 6, 2023
    Assignee: Synopsys, Inc.
    Inventors: Moon-Hae Son, Niranjan Behera
  • Publication number: 20220020420
    Abstract: An integrated circuit includes a memory cell array coupled to a bitline and a first wordline and a negative-type metal-oxide-semiconductors (NMOS) pull-down structure coupled to the bitline and PMOS transistors. The positive-type metal-oxide-semiconductors (PMOS) transistors may be coupled to a second wordline, where a logic value carried on the second wordline is based on a logic value carried on the first wordline, and the PMOS transistors are structured to pre-charge respective drains of the NMOS pull-down structure to a high logic value based on a low logic value carried on the second wordline. The NMOS pull-down structure may be structured to discharge the bitline based on a high logic value carried on the second wordline.
    Type: Application
    Filed: July 15, 2021
    Publication date: January 20, 2022
    Inventors: Moon-Hae Son, Niranjan Behera
  • Patent number: 10037290
    Abstract: A dual-port memory including a first memory array and at least one address decoder. The first memory array includes memory cells and two ports for each of the memory cells. The at least one address decoder generates word line signals for concurrent access to two ports of one or more cells of the memory cells in a same row of the first memory array. Each of the word line signals is generated to perform a read operation. Pulse widths of the word line signals for the read operations are proportional to a ratio of (i) a reference amount of cell current of a cell of a reference memory array to (ii) an amount of cell current of the one or more cells of the plurality of memory cells in a same row of the first memory array.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: July 31, 2018
    Assignee: Marvell International Ltd.
    Inventors: Peter Lee, Moon-Hae Son, Xinghui Guo
  • Patent number: 9424911
    Abstract: Embodiments include a method comprising: receiving a first voltage; and while testing a memory cell: modifying the first voltage to generate a second voltage that is different from the first voltage; and performing a first read operation on the memory cell, based on applying (i) the second voltage to an array of transistors of the memory cell and (ii) the first voltage to the memory cell.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: August 23, 2016
    Assignee: Marvell World Trade Ltd.
    Inventors: Winston Lee, Moon-Hae Son, Peter Lee
  • Publication number: 20150194207
    Abstract: Embodiments include a method comprising: receiving a first voltage; and while testing a memory cell: modifying the first voltage to generate a second voltage that is different from the first voltage; and performing a first read operation on the memory cell, based on applying (i) the second voltage to an array of transistors of the memory cell and (ii) the first voltage to the memory cell.
    Type: Application
    Filed: December 11, 2014
    Publication date: July 9, 2015
    Inventors: Winston Lee, Moon-Hae Son, Peter Lee
  • Patent number: 7523420
    Abstract: A system, method and computer program product are provided for producing an instance of a memory device from a banked memory architecture. The banked memory architecture specifies a maximum number of memory banks and a maximum number of rows per memory bank. The method comprises the step of receiving input parameters indicating a number of properties of the memory device, the properties comprising at least a number of rows R for the memory device. Thereafter, a degeneration process is performed on the banked memory architecture in order to produce the instance of a memory device having those properties.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: April 21, 2009
    Assignee: ARM Limited
    Inventors: Hemangi Umakant Gajjewar, Ingming Chang, Jungtae Kwon, Cezary Pietrzyk, Moon-Hae Son
  • Publication number: 20080046856
    Abstract: A system, method and computer program product are provided for producing an instance of a memory device from a banked memory architecture. The banked memory architecture specifies a maximum number of memory banks and a maximum number of rows per memory bank. The method comprises the step of receiving input parameters indicating a number of properties of the memory device, the properties comprising at least a number of rows R for the memory device. Thereafter, a degeneration process is performed on the banked memory architecture in order to produce the instance of a memory device having those properties.
    Type: Application
    Filed: August 18, 2006
    Publication date: February 21, 2008
    Applicant: ARM Limited
    Inventors: Hemangi Umakant Gajjewar, Ingming Chang, Jungtae Kwon, Cezary Pietrzyk, Moon-Hae Son
  • Patent number: 7289373
    Abstract: A memory device is provided comprising a memory array consisting of a plurality of memory cells. These memory cells are accessed via a plurality of word lines and a plurality of bit lines. Multiplexer logic is provided which has the plurality of bit lines connected to its inputs, and is arranged to connect one of those inputs to its output dependent on a multiplexer control signal. Decoder logic is responsive to an address to produce the multiplexer control signal and to select one of the word lines, as a result of which a particular memory cell in the memory array identified by the address has its associated bit line connected to the output of a multiplexer logic. Sense amp logic is coupled to the output of the multiplexer logic and has a precharge node used during a sensing operation to detect a stored data state of the particular memory cell.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: October 30, 2007
    Assignee: ARM Limited
    Inventors: Moon-Hae Son, Karl Lin Wang
  • Patent number: 6026045
    Abstract: There is provided a semiconductor memory device having a multibank in which a single large memory cell is divided into a plurality of banks without increasing power consumption and chip size. In the semiconductor memory device, a memory cell array is divided into a plurality of banks arranged alternately, and each bank includes a plurality of unit memory cell arrays. In addition, column selection lines of each bank are connected to alternate output ports of a column decoder, and the column decoder enables the column selection lines of a bank selected from the plurality of banks in response to address decoding signals and bank selection signals.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: February 15, 2000
    Assignee: Samsung Electronics, Co., Ltd.
    Inventor: Moon-hae Son
  • Patent number: 5959924
    Abstract: A method of controlling an isolation gate of a semiconductor memory device and a circuit therefor are disclosed. The method includes the steps of generating a refresh row active signal, generating a plurality of block select signals, generating a latch isolation control signal and controlling an isolation gate. The refresh row active signal is activated for a constant period. A plurality of block select signals are selectively activated when the refresh row active signal is active. The latch isolation control signal is set according to a block select signal and reset by an adjacent block select signal related to the other isolation gate connected to the same bit line sense amplifier of the block. In the step of controlling the isolation gate, when the latch isolation control signal is active, the isolation gates are turned on, and the other isolation gates connected to the same bit line sense amplifier are turned off.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: September 28, 1999
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Moon-hae Son, Choong-sun Shin, Jin-man Han
  • Patent number: 5856952
    Abstract: There is disclosed a semiconductor memory device that has a memory-cell array with memory cells arranged in a matrix, bit-line sense amplifiers connected to bit lines of the memory-cell array, a row address predecoder performing decoding of some of row address signals in response to a system clock, and a plurality of banks having an output line of the row address predecoder in common, includes: a row strobe buffer connected to an external system and producing a first control signal for selecting corresponding banks in response to the system clock, a row address strobe signal, and a bank selection address signal and for controlling generation of a row address sampling control signal; a row address sampling control signal generating circuit producing the row address sampling control signal in a predetermined period of time in response to generation of the first control signal produced by the row strobe buffer in order to control word-line activating and precharging operations; and a row decoder latching an outp
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: January 5, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jei-Hwan Yoo, Moon-Hae Son
  • Patent number: 5844857
    Abstract: A row address control circuit for a memory device includes a row address enable signal generator, a row address buffer, a row predecoder, a row address strobe buffer, a predecoded row address sampling pulse generator, and a row decoder. The row address enable signal generator produces a row address enable signal which is enabled while a clock signal is enabled. The row address buffer receives the output of the row address enable signal generator and produces a row address signal enabled while the row address enable signal is enabled. The row predecoder receives and predecodes the output of the row address buffer and produces a predecoded row address signal. The row address strobe buffer receives the clock signal and produces a first control signal while the clock signal is enabled.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: December 1, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon-hae Son, Jin-man Han
  • Patent number: 5798978
    Abstract: There is disclosed a semiconductor memory device that has a memory-cell array with memory cells arranged in a matrix, bit-line sense amplifiers connected to bit lines of the memory-cell array, a row address predecoder performing decoding of some of row address signals in response to a system clock, and a plurality of banks having an output line of the row address predecoder in common, includes: a row strobe buffer connected to an external system and producing a first control signal for selecting corresponding banks in response to the system clock, a row address strobe signal, and a bank selection address signal and for controlling generation of a row address sampling control signal; a row address sampling control signal generating circuit producing the row address sampling control signal in a predetermined period of time in response to generation of the first control signal produced by the row strobe buffer in order to control word-line activating and precharging operations; and a row decoder latching an outp
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: August 25, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jei-Hwan Yoo, Moon-Hae Son