Patents by Inventor Su-Chueh Lo

Su-Chueh Lo 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: 20250119142
    Abstract: Systems, methods, circuits, and devices for managing data transfers in semiconductor devices are provided. In one aspect, a method includes: selecting a first interface to receive higher-speed-type data at a first clock frequency; transferring the higher-speed-type data with a first speed along a first data path from the first interface through a first logic circuit to a driving circuit; outputting the higher-speed-type data by the driving circuit; selecting a second interface to receive lower-speed-type data at a second clock frequency that is same as the first clock frequency; transferring the lower-speed-type data with a second speed along a second data path from the second interface through a second logic circuit to the driving circuit, the first speed being higher than the second speed; and outputting the lower-speed-type data by the driving circuit.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Applicant: Macronix International Co., Ltd.
    Inventors: Yi-Fan Chang, Su-Chueh Lo, Jeng-Kuan Lin
  • Publication number: 20250105833
    Abstract: A duty cycle correction method and a duty cycle correction apparatus, adapted for correcting a duty cycle of a clock signal by using a duty cycle adjuster in a high-capacity and high-performance semiconductor product such as a 3D NAND flash, are provided. In the method, the duty cycle is adjusted and input to data pads to generate data signals, wherein the data pads are divided into at least two groups and defined by data patterns that are inverse to each other; DC voltages of the data signals of a first group of data pads are detected to generate a first average DC voltage, and DC voltages of the data signals of a second group of data pads are detected to generate a second average DC voltage, the aforementioned average DC voltages are compared, and the duty cycle adjuster is controlled to adjust the duty cycle of the clock signal.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 27, 2025
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Wei-Yi Cheng, Su-Chueh Lo
  • Publication number: 20250105832
    Abstract: A duty cycle correction method and a duty cycle correction system, adapted for correcting a duty cycle of a clock signal by using a duty cycle corrector (DCC) in a high-capacity and high-performance semiconductor product such as a 3D NAND flash, are provided. In the method, training is performed on the DCC to correct the clock signal, and a training result is recorded after the training is finished; and the DCC is updated by the recorded training result before a next toggle of the clock signal.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 27, 2025
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Su-Chueh Lo, Jhen-Sheng Chih
  • Publication number: 20250104750
    Abstract: A calibration apparatus of a memory device and a calibration method thereof are provided. The memory device is a 3D NAND flash with high capacity and high performance. The calibration apparatus includes an impedance, a strong-arm comparator, a logic circuit, and a calibration controller. The impedance is configured to generate a comparison voltage. The strong-arm comparator includes a differential input pair and a latch. The differential input pair compares a reference voltage and the comparison voltage to produce a comparison result. The latch latches the comparison result and generates a latch signal and an inverted latch signal accordingly. The logic circuit generates a comparison result signal according to the latch signal and the inverted latch signal. The calibration controller implements an impedance calibration in the memory device according to the comparison result signal.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 27, 2025
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Wei-Yi Cheng, Su-Chueh Lo
  • Patent number: 12218665
    Abstract: Systems, methods, circuits, and devices for managing data transfers in semiconductor devices are provided. In one aspect, an integrated circuit includes: a first interface for receiving higher-speed-type data, a second interface for receiving lower-speed-type data, a first logic circuit coupled to the first interface, a second logic circuit coupled to the second interface, and a driving circuit separately coupled to the first logic circuit and the second logic circuit. The first data interface, the first logic circuit, and the driving circuit are arranged in series to form a first data path for transferring the higher-speed-type data with a first speed. The second data interface, the second logic circuit, and the driving circuit are arranged in series to form a second data path for transferring the lower-speed-type data with a second speed. The first speed is higher the second speed.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: February 4, 2025
    Assignee: Macronix International Co., Ltd.
    Inventors: Yi-Fan Chang, Su-Chueh Lo, Jeng-Kuan Lin
  • Patent number: 12166486
    Abstract: Systems, methods, circuits, and apparatus for managing signal transfers in semiconductor devices are provided. In one aspect, an integrated circuit includes: one or more target units each configured to receive a signal and a plurality of inverting units arranged on signal paths to the one or more target units. For each of the one or more target units, one or more corresponding inverting units of the plurality of inverting units are configured to invert the signal multiple times along a corresponding signal path to the target unit to cause a signal width of the inverted signal received by the target unit to be substantially identical to a signal width of the signal.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: December 10, 2024
    Assignee: Macronix International Co., Ltd.
    Inventors: Wei-Yi Cheng, Su-Chueh Lo
  • Publication number: 20240305298
    Abstract: Systems, methods, circuits, and devices for managing data transfers in semiconductor devices are provided. In one aspect, an integrated circuit includes: a first interface for receiving higher-speed-type data, a second interface for receiving lower-speed-type data, a first logic circuit coupled to the first interface, a second logic circuit coupled to the second interface, and a driving circuit separately coupled to the first logic circuit and the second logic circuit. The first data interface, the first logic circuit, and the driving circuit are arranged in series to form a first data path for transferring the higher-speed-type data with a first speed. The second data interface, the second logic circuit, and the driving circuit are arranged in series to form a second data path for transferring the lower-speed-type data with a second speed. The first speed is higher the second speed.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 12, 2024
    Applicant: Macronix International Co., Ltd.
    Inventors: Yi-Fan Chang, Su-Chueh Lo, Jeng-Kuan Lin
  • Patent number: 11984371
    Abstract: Systems, methods, circuits, and apparatus including computer-readable mediums for testing bonding pads in multi-die packages, e.g., chiplet systems. In one aspect, a chiplet system includes multiple integrated circuit devices electrically connected together. The integrated circuit devices include an integrated circuit device including: an integrated circuit, a plurality of first type bonding pads electrically connected to the integrated circuit and electrically connected to at least one other of the integrated circuit devices, and one or more second type bonding pads electrically isolated from the at least one other of the integrated circuit devices. At least one of the plurality of first type bonding pads is configured to be electrically connected to a corresponding one of the one or more second type bonding pads.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: May 14, 2024
    Assignee: Macronix International Co., Ltd.
    Inventors: Chun-Hsiung Hung, Su-Chueh Lo
  • Publication number: 20240154607
    Abstract: Systems, methods, circuits, and apparatus for managing signal transfers in semiconductor devices are provided. In one aspect, an integrated circuit includes: one or more target units each configured to receive a signal and a plurality of inverting units arranged on signal paths to the one or more target units. For each of the one or more target units, one or more corresponding inverting units of the plurality of inverting units are configured to invert the signal multiple times along a corresponding signal path to the target unit to cause a signal width of the inverted signal received by the target unit to be substantially identical to a signal width of the signal.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 9, 2024
    Applicant: Macronix International Co., Ltd.
    Inventors: Wei-Yi Cheng, Su-Chueh Lo
  • Publication number: 20240119976
    Abstract: A data serializer, a latch data device using the same and a controlling method thereof are provided. The data serializer includes at least one data buffer and a de-skew buffer. The data buffer at least receives an inputting data and a controlling signal. An outputting signal and a complementary outputting signal, which is complementary to the outputting signal, are formed when the controlling signal is at a predetermined level. The de-skew buffer receives the complementary outputting signal to accelerate or slow down forming the outputting signal.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 11, 2024
    Inventors: Su-Chueh LO, Yi-Fan CHANG
  • Patent number: 11894100
    Abstract: A data serializer, a latch data device using the same and a controlling method thereof are provided. The data serializer includes at least one data buffer and a de-skew buffer. The data buffer at least receives an inputting data and a controlling signal. An outputting signal and a complementary outputting signal, which is complementary to the outputting signal, are formed when the controlling signal is at a predetermined level. The de-skew buffer receives the complementary outputting signal to accelerate or slow down forming the outputting signal.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: February 6, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Su-Chueh Lo, Yi-Fan Chang
  • Patent number: 11887949
    Abstract: Disclosed is a semiconductor device that has a first layer including conductive material, a bond wire coupled to an upper surface of the first layer, and a second layer including conductive material underneath the first layer. One or more interconnects couple the second layer to the first layer. In an example, the second layer has a plurality of discontinuous sections that includes (i) a connected section coupled to the one or more interconnects and (ii) one or more floating sections that are at least in part surrounded by the connected section, where the one or more floating sections are electrically floating and isolated from the connected section. The semiconductor device also includes an under-pad circuit on a substrate underneath the second layer, the under-pad circuit to transmit signals to one or more components external to the semiconductor device though the first layer.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: January 30, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Su-Chueh Lo, Jian-Syu Lin, Yi-Fan Chang
  • Publication number: 20230343657
    Abstract: Systems, methods, circuits, and apparatus including computer-readable mediums for testing bonding pads in multi-die packages, e.g., chiplet systems. In one aspect, a chiplet system includes multiple integrated circuit devices electrically connected together. The integrated circuit devices include an integrated circuit device including: an integrated circuit, a plurality of first type bonding pads electrically connected to the integrated circuit and electrically connected to at least one other of the integrated circuit devices, and one or more second type bonding pads electrically isolated from the at least one other of the integrated circuit devices. At least one of the plurality of first type bonding pads is configured to be electrically connected to a corresponding one of the one or more second type bonding pads.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicant: Macronix International Co., Ltd.
    Inventors: Chun-Hsiung Hung, Su-Chueh Lo
  • Patent number: 11749572
    Abstract: Systems, methods, circuits, and apparatus including computer-readable mediums for testing bonding pads in multi-die packages, e.g., chiplet systems. An example integrated circuit device includes an integrated circuit, first type bonding pads and second type bonding pads. Each of the first type bonding pads is electrically connected to the integrated circuit and configured to be electrically connected to a corresponding external integrated circuit device. Each of the second type bonding pads is configured to have no electrical connection with the corresponding external integrated circuit device. Each of the first type bonding pads is configured to be electrically connected to a corresponding one of the second type bonding pads. A number of the first type bonding pads can be larger than a number of the second type bonding pads. Each of the second type bonding pads can have a larger pad area for probing than each of the first type bonding pads.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 5, 2023
    Assignee: Macronix International Co., Ltd.
    Inventors: Chun-Hsiung Hung, Su-Chueh Lo
  • Publication number: 20230223058
    Abstract: A data serializer, a latch data device using the same and a controlling method thereof are provided. The data serializer includes at least one data buffer and a de-skew buffer. The data buffer at least receives an inputting data and a controlling signal. An outputting signal and a complementary outputting signal, which is complementary to the outputting signal, are formed when the controlling signal is at a predetermined level. The de-skew buffer receives the complementary outputting signal to accelerate or slow down forming the outputting signal.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 13, 2023
    Inventors: Su-Chueh LO, Yi-Fan CHANG
  • Patent number: 11631441
    Abstract: A memory device supporting multi-address read operations improves throughput on a bi-directional serial port. The device includes a memory array and an input/output port having an input mode and an output mode. The input/output port has at least one signal line used alternately in both the input and output modes. A controller includes logic configured to execute a multi-address read operation in response to receiving a read command on the input/output port, the multi-address read operation including receiving a first address and a second address using the at least one signal line before outputting data.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 18, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Kuen-Long Chang, Su-Chueh Lo, Yung-Feng Lin
  • Patent number: 11631464
    Abstract: A memory apparatus and a control method are provided. The memory apparatus includes a non-volatile memory array having plural memory groups, and the control method is applied to the non-volatile memory array. The memory groups jointly share a first well, and the control method is applied to the non-volatile memory array. A first memory group among the memory groups is erased according to a first erase command after the memory apparatus is power-on, and a first amount of the memory groups are recovered in a first erase-recover procedure after the first memory group is erased. A second memory group among the memory groups is erased according to a second erase command after the first erase-recover procedure, and a second amount of the memory groups are recovered in a second erase-recover procedure after the second memory group is erased. The first amount is greater than the second amount.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: April 18, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Su-Chueh Lo, Kuen-Long Chang
  • Publication number: 20230085583
    Abstract: A three dimension memory device, such as a three dimensional AND flash memory is provided. The three dimension memory device includes a plurality of memory arrays, a plurality of bit line switches, and a plurality of source line switches. The memory array has a plurality of memory cell rows respectively coupled to a plurality of source lines and bit lines. The bit line switches and the source line switches are respectively implemented by a plurality of first transistors and second transistors. The first transistors are coupled to a common bit line and the bit line. The second transistors are coupled to a common source line and the source lines. The first transistors are P-type transistors or an N-type transistors with a triple-well substrate, and the second transistors are P-type transistor or an N-type transistors with a triple-well substrate.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 16, 2023
    Applicant: MACRONIX International Co., Ltd.
    Inventors: Yung-Feng Lin, Su-Chueh Lo, Teng-Hao Yeh, Hang-Ting Lue
  • Patent number: 11605431
    Abstract: A memory device and an operation method thereof are provided. The memory device comprises: a memory array; a decoding circuit coupled to the memory array, the decoding circuit including a plurality of first transistors, a plurality of second transistors and a plurality of inverters, the first transistors and the second transistors are paired; and a controller coupled to the decoding circuit, wherein the paired first transistors and the paired second transistors are respectively coupled to a corresponding one inverter among the inverters, and respectively coupled to a corresponding one among a plurality of local bit lines or a corresponding one among a plurality of local source lines; the first transistors are coupled to a global bit line; and the second transistors are coupled to a global source line.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: March 14, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yung-Feng Lin, Su-Chueh Lo, Teng-Hao Yeh, Hang-Ting Lue
  • Publication number: 20230056520
    Abstract: Disclosed is a semiconductor device that has a first layer including conductive material, a bond wire coupled to an upper surface of the first layer, and a second layer including conductive material underneath the first layer. One or more interconnects couple the second layer to the first layer. In an example, the second layer has a plurality of discontinuous sections that includes (i) a connected section coupled to the one or more interconnects and (ii) one or more floating sections that are at least in part surrounded by the connected section, where the one or more floating sections are electrically floating and isolated from the connected section. The semiconductor device also includes an under-pad circuit on a substrate underneath the second layer, the under-pad circuit to transmit signals to one or more components external to the semiconductor device though the first layer.
    Type: Application
    Filed: August 18, 2021
    Publication date: February 23, 2023
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Su-Chueh LO, Jian-Syu LIN, Yi-Fan CHANG