SEMICONDUCTOR DEVICE INCLUDING DELAY COMPENSATION CIRCUIT

    公开(公告)号:US20230091026A1

    公开(公告)日:2023-03-23

    申请号:US17994296

    申请日:2022-11-26

    Abstract: A semiconductor device includes an internal clock generation circuit configured to generate an internal clock; a plurality of unit circuits configured to have a first unit circuit and a second unit circuit operating while being synchronized with an internal clock; a plurality of transfer circuits including a first transfer circuit configured to provide a first transfer path having a first delay time, and a second transfer circuit configured to provide a second transfer path having a second delay time different from the first delay time; and a delay compensation circuit configured to compare a first clock input to the first unit circuit through the first transfer path with a second clock input to the second unit circuit through the second transfer path, and to adjust the second delay time so that the adjusted second delay time matches the first delay time.

    MEMORY DEVICE, MEMORY SYSTEM, AND OPERATING METHOD OF MEMORY DEVICE

    公开(公告)号:US20250095755A1

    公开(公告)日:2025-03-20

    申请号:US18932736

    申请日:2024-10-31

    Abstract: Provided is a memory device including a first pad configured to receive a read enable signal from a memory controller, a second pad configured to receive a read duty cycle correct command signal from the memory controller, a first duty correction circuit configured to perform a read duty cycle correct operation, based on the read duty cycle correct command signal received from the memory controller, when the read enable signal is received, and output a data strobe signal generated based on the read duty cycle correct operation, and a second duty correction circuit configured to receive the data strobe signal from the first duty correction circuit, generate first to fourth clock signals having different phases from each other based on the data strobe signal, and perform a write duty cycle correct operation to correct a duty cycle for the first clock signal and the third clock signal which have a phase difference of 180° and to correct a duty cycle for the second clock signal and the fourth clock signal which have a phase difference of 180°, wherein the read duty cycle correct operation and the write duty cycle correct operation are performed simultaneously.

    MEMORY DEVICE, MEMORY SYSTEM, AND OPERATING METHOD OF MEMORY DEVICE

    公开(公告)号:US20250095754A1

    公开(公告)日:2025-03-20

    申请号:US18804617

    申请日:2024-08-14

    Abstract: Provided is a memory device including a first pad configured to receive a read enable signal from a memory controller, a second pad configured to receive a read duty cycle correct command signal, a first duty correction circuit configured to perform a read duty cycle correct operation, based on the read duty cycle correct command received from the memory controller, when the read enable signal is received, and output a data strobe signal generated based on the read duty cycle correct operation, and a second duty correction circuit configured to receive the data strobe signal from the first duty correction circuit, generate a divided data strobe signal by dividing the received data strobe signal, and compare the received data strobe signal with the divided data strobe signal to perform a write duty cycle correct operation.

    Semiconductor device including delay compensation circuit

    公开(公告)号:US11522550B2

    公开(公告)日:2022-12-06

    申请号:US17077891

    申请日:2020-10-22

    Abstract: A semiconductor device includes an internal clock generation circuit configured to generate an internal clock; a plurality of unit circuits configured to have a first unit circuit and a second unit circuit operating while being synchronized with an internal clock; a plurality of transfer circuits including a first transfer circuit configured to provide a first transfer path having a first delay time, and a second transfer circuit configured to provide a second transfer path having a second delay time different from the first delay time; and a delay compensation circuit configured to compare a first clock input to the first unit circuit through the first transfer path with a second clock input to the second unit circuit through the second transfer path, and to adjust the second delay time so that the adjusted second delay time matches the first delay time.

    Multi-mode transmission line and storage device including the same

    公开(公告)号:US11522261B2

    公开(公告)日:2022-12-06

    申请号:US16730277

    申请日:2019-12-30

    Abstract: A multi-mode transmission line includes a first and second conductive layers, first and second waveguide walls, a strip line, and a blind conductor. The second conductive layer that is formed over the first conductive layer. The first waveguide wall is elongated in a first direction and is in contact with the first conductive layer and the second conductive layer in a vertical direction. The second waveguide wall is elongated in the first direction parallel to the first waveguide wall and is in contact with the first conductive layer and the second conductive layer in the vertical direction. The strip line is formed between the first and second conductive layers and between the first and second waveguide walls. The blind conductor is connected to one of the first conductive layer, the second conductive layer, the first waveguide wall, or the second waveguide wall.

    METHOD OF CALIBRATING IMPEDANCE OF MEMORY DEVICE AND IMPEDANCE CALIBRATION CIRCUIT PERFORMING THE SAME

    公开(公告)号:US20250104749A1

    公开(公告)日:2025-03-27

    申请号:US18604593

    申请日:2024-03-14

    Abstract: A method of calibrating impedance of a memory device including a data transmitter includes: outputting a comparison signal by comparing a power supply voltage and a reference voltage, the power supply voltage being supplied to the data transmitter when the data transmitter is driven; storing a voltage level of the reference voltage when the comparison signal changes logical state; adjusting the reference voltage based on the comparison signal such that the voltage level of the reference voltage increases or decreases; and calibrating an output impedance of the memory device based on a digital code corresponding to an average reference voltage level, the average reference voltage level being obtained by averaging a prescribed number of voltage levels of the reference voltage stored as a result of repeatedly outputting the comparison signal, storing the voltage level of the reference voltage, and adjusting the reference voltage.

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