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公开(公告)号:US20230403010A1
公开(公告)日:2023-12-14
申请号:US18175795
申请日:2023-02-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyunyoon Cho , Eunseok Shin , Youngdon Choi , Jaeduk Han , Hyuntae Kim , Jeonghyu Yang , Sanghun Lee
IPC: H03K19/096 , H03K5/15
CPC classification number: H03K19/096 , H03K5/15013
Abstract: A parallel-to-serial converter includes first to fourth input nodes configured to receive first to fourth data input signals, respectively, and an output node configured to output a data output signal. First to fourth logic circuits are provided, which are configured to electrically couple respective ones of the first to fourth input nodes one-at-a-time to the output node, in synchronization with first to fourth clock signals. The first logic circuit includes a first input circuit, a second input circuit, and an output circuit electrically coupled to the first and second input circuits. The output circuit includes a first pull-up transistor and a first pull-down transistor having drain terminals coupled to the output node, a second pull-up transistor connected between a source terminal of the first pull-up transistor and a first power supply node, and a second pull-down transistor connected between a source terminal of the first pull-down transistor and a second power supply node.
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12.
公开(公告)号:US11581960B2
公开(公告)日:2023-02-14
申请号:US17366329
申请日:2021-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyungmin Jin , Younghoon Son , Hyunyoon Cho , Youngdon Choi , Junghwan Choi
Abstract: A translation device, a test system, and a memory system are provided. The translation device includes plural first input/output (I/O) circuits that respectively transmit and receive first signals through plural pins based on a pulse amplitude modulation (PAM)-M mode, a second I/O circuit that transmits and receives a second signal through one or more pins based on a PAM-N mode, and a translation circuit that translates the first signals into the second signal and translates the second signal into the first signals. M and N are different integers of 2 or more.
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公开(公告)号:US11574662B2
公开(公告)日:2023-02-07
申请号:US17347998
申请日:2021-06-15
Applicant: Samsung Electronics Co., Ltd.
Inventor: Sucheol Lee , Younghoon Son , Hyunyoon Cho , Youngdon Choi , Junghwan Choi
IPC: G11C7/10 , G06F13/16 , H03K7/02 , H03K19/017
Abstract: A memory device as provided may apply a pulse amplitude modulation method to data (DQ) signal transmission/reception and may scale a DQ signal according to an operating frequency condition, so as to improve data transmission performance and effectively improve power consumption. The memory device includes a memory cell array, and a data input/output circuit configured to scale a DQ signal that includes data read from the memory cell array and output the scaled DQ signal. The data input/output circuit is configured to scale the DQ signal based on an n-level pulse amplitude modulation (PAMn) (where n is 4 or a greater integer) with a DQ parameter that corresponds an operating frequency condition and output the DQ signal. Other aspects include memory controllers that communicate with the memory devices, and memory systems that include the memory devices and memory controllers.
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14.
公开(公告)号:US20220076716A1
公开(公告)日:2022-03-10
申请号:US17385002
申请日:2021-07-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Youngdo Um , Younghoon Son , Youngdon Choi , Jindo Byun , Hyunyoon Cho , Junghwan Choi
IPC: G11C7/10
Abstract: A memory device includes a memory cell array and a transmitter, wherein the transmitter includes a pulse amplitude modulation (PAM) encoder configured to generate a PAM-n first input signal (where n is an integer greater than or equal to 4) from data read from the memory cell array; a pre-driver configured to generate a second input signal based on the first input signal and based on a calibration code signal, and output the second input signal using a first power voltage; and a driver configured to output a PAM-n DQ signal using a second power voltage lower than the first power voltage in response to the second input signal.
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公开(公告)号:US11152045B2
公开(公告)日:2021-10-19
申请号:US16884887
申请日:2020-05-27
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyunyoon Cho
IPC: G11C8/10 , H03K17/687 , G11C8/18 , H03K19/20 , H03K19/0185
Abstract: An output driver includes a main output driver configured to receive data of an internal supply voltage to generate output data of an output supply voltage, and to receive the data of a ground voltage to generate the output data of the ground voltage, a pre-emphasis controller configured to detect a transition of the data from the ground voltage to the internal supply voltage to generate a first pulse signal, and to receive a pre-emphasis enable signal and the first pulse signal and generate a level-up pre-emphasis enable signal and a first level-up pulse signal of the ground voltage, a pre-emphasis pre-driver configured to generate one or more pre-emphasis pull-up control signals, and a pre-emphasis driver configured to pre-emphasize the output data based on the output data transitioning from the ground voltage to the output supply voltage.
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公开(公告)号:US11972831B2
公开(公告)日:2024-04-30
申请号:US17827126
申请日:2022-05-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyunsub Rie , Eunseok Shin , Youngdon Choi , Changsoo Yoon , Hyunyoon Cho , Junghwan Choi
CPC classification number: G11C7/062 , G11C7/1012 , G11C7/1039 , G11C7/1063 , G11C7/109 , G11C7/14
Abstract: A receiver that receives a multi-level signal includes a pre-amplifier circuit, a slicer circuit and a decoder circuit. The pre-amplifier circuit generates a plurality of intermediate data signals based on an input data signal and a plurality of reference voltages. The slicer circuit generates a plurality of decision signals based on the plurality of intermediate data signals and a clock signal. The decoder circuit generates output data based on the plurality of decision signals. The pre-amplifier circuit includes a first circuit and a second circuit. The first circuit generates one of the plurality of intermediate data signals based on the input data signal and one of the plurality of reference voltages, and has a first structure. The second circuit generates another one of the plurality of intermediate data signals based on the input data signal and another one of the plurality of reference voltages, and has a second structure different from the first structure.
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公开(公告)号:US11791811B2
公开(公告)日:2023-10-17
申请号:US17806827
申请日:2022-06-14
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyunsub Rie , Eunseok Shin , Youngdon Choi , Junyoung Park , Hyunyoon Cho , Junghwan Choi
CPC classification number: H03K5/1565 , G11C7/222 , H03K3/017 , H03K5/135 , H03K2005/00241
Abstract: A delay circuit for a clock signal includes a first signal generator, a first inverting circuit, a second signal generator and a second inverting circuit. The first signal generator is configured to generate a plurality of first switching signals based on a delay code. The first inverting circuit includes a plurality of first inverters that are selectively turned on in response to the plurality of first switching signals, respectively, and is configured to adjust a first delay time for both of a first edge and a second edge of the clock signal. The second signal generator is configured to generate a plurality of second switching signals based on a duty code. The second inverting circuit includes a plurality of second pull-up units and a plurality of second pull-down units, respective ones of the plurality of second pull-up units or respective ones of the plurality of second pull-down units are selectively turned on in response to respective ones of the plurality of second switching signals. The second inverting circuit is configured to adjust a second delay time for the first edge, the second edge, or both of the first edge and the second edge of the clock signal.
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公开(公告)号:US20230120821A1
公开(公告)日:2023-04-20
申请号:US17827126
申请日:2022-05-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: HYUNSUB RIE , Eunseok Shin , Youngdon Choi , Changsoo Yoon , Hyunyoon Cho , Junghwan Choi
Abstract: A receiver that receives a multi-level signal includes a pre-amplifier circuit, a slicer circuit and a decoder circuit. The pre-amplifier circuit generates a plurality of intermediate data signals based on an input data signal and a plurality of reference voltages. The slicer circuit generates a plurality of decision signals based on the plurality of intermediate data signals and a clock signal. The decoder circuit generates output data based on the plurality of decision signals. The pre-amplifier circuit includes a first circuit and a second circuit. The first circuit generates one of the plurality of intermediate data signals based on the input data signal and one of the plurality of reference voltages, and has a first structure. The second circuit generates another one of the plurality of intermediate data signals based on the input data signal and another one of the plurality of reference voltages, and has a second structure different from the first structure.
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19.
公开(公告)号:US11587598B2
公开(公告)日:2023-02-21
申请号:US17385002
申请日:2021-07-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Youngdo Um , Younghoon Son , Youngdon Choi , Jindo Byun , Hyunyoon Cho , Junghwan Choi
Abstract: A memory device includes a memory cell array and a transmitter, wherein the transmitter includes a pulse amplitude modulation (PAM) encoder configured to generate a PAM-n first input signal (where n is an integer greater than or equal to 4) from data read from the memory cell array; a pre-driver configured to generate a second input signal based on the first input signal and based on a calibration code signal, and output the second input signal using a first power voltage; and a driver configured to output a PAM-n DQ signal using a second power voltage lower than the first power voltage in response to the second input signal.
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公开(公告)号:US20220076715A1
公开(公告)日:2022-03-10
申请号:US17347998
申请日:2021-06-15
Applicant: Samsung Electronics Co., Ltd.
Inventor: Sucheol Lee , Younghoon Son , Hyunyoon Cho , Youngdon Choi , Junghwan Choi
IPC: G11C7/10 , H03K19/017 , H03K7/02
Abstract: A memory device as provided may apply a pulse amplitude modulation method to data (DQ) signal transmission/reception and may scale a DQ signal according to an operating frequency condition, so as to improve data transmission performance and effectively improve power consumption. The memory device includes a memory cell array, and a data input/output circuit configured to scale a DQ signal that includes data read from the memory cell array and output the scaled DQ signal. The data input/output circuit is configured to scale the DQ signal based on an n-level pulse amplitude modulation (PAMn) (where n is 4 or a greater integer) with a DQ parameter that corresponds an operating frequency condition and output the DQ signal. Other aspects include memory controllers that communicate with the memory devices, and memory systems that include the memory devices and memory controllers.
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