APPARATUSES AND METHODS FOR PROVIDING MULTIPHASE CLOCK SIGNALS

    公开(公告)号:US20190214061A1

    公开(公告)日:2019-07-11

    申请号:US16357700

    申请日:2019-03-19

    Abstract: Apparatuses and methods for providing multiphase clock signals are described. An example apparatus includes first, second, third and fourth clocked inverters, first and second clock terminals, and first and second latch circuits. An input node and an output node of the first clocked inverter is coupled respectively to an output node of the fourth clocked inverter and an input node of the second clocked inverter. An input node and an output node of the third clocked inverter is coupled to an output node of the second clocked inverter and an input node of the fourth clocked inverter. The first and second clock terminals are supplied respectively with first and second clock signals. The first latch is coupled between the output nodes of the first and third clocked inverters, and the second latch circuit is coupled between the output nodes of the second and fourth clocked inverters.

    MEMORY DEVICE WITH WRITE DATA BUS CONTROL
    2.
    发明申请

    公开(公告)号:US20180151207A1

    公开(公告)日:2018-05-31

    申请号:US15365563

    申请日:2016-11-30

    Abstract: Apparatuses and methods for transmitting data between a plurality of chips are described. An example apparatus includes: a first chip, wherein the first chip includes a receiver that receives a data strobe signal and further generates an internal strobe signal responsive, at least in part, to the data strobe signal, the internal strobe signal including a first edge and a second edge following the first edge; a buffer circuit coupled to a set of input terminals and captures first data at the set of input terminals responsive, at least in part, to the first edge of the internal strobe signal and further captures second data at the set of input terminals responsive, at least in part, to the second edge of the internal strobe signal; a driver coupled between the buffer circuit and a set of data terminals and configured to be activated to provide the first and second data from the buffer circuit to the set of data terminals responsive, at least in part, to a control signal; and a width expanding circuit that provides the control signal responsive, at least in part, to the internal strobe signal.

    System and method for write data bus control in a stacked memory device

    公开(公告)号:US10163469B2

    公开(公告)日:2018-12-25

    申请号:US15365563

    申请日:2016-11-30

    Abstract: Apparatuses and methods for transmitting data between a plurality of chips are described. An example apparatus includes: a first chip, wherein the first chip includes a receiver that receives a data strobe signal and further generates an internal strobe signal responsive, at least in part, to the data strobe signal, the internal strobe signal including a first edge and a second edge following the first edge; a buffer circuit coupled to a set of input terminals and captures first data at the set of input terminals responsive, at least in part, to the first edge of the internal strobe signal and further captures second data at the set of input terminals responsive, at least in part, to the second edge of the internal strobe signal; a driver coupled between the buffer circuit and a set of data terminals and configured to be activated to provide the first and second data from the buffer circuit to the set of data terminals responsive, at least in part, to a control signal; and a width expanding circuit that provides the control signal responsive, at least in part, to the internal strobe signal.

    Semiconductor Device Performing Implicit Precharge Operation

    公开(公告)号:US20210241816A1

    公开(公告)日:2021-08-05

    申请号:US17235761

    申请日:2021-04-20

    Inventor: Homare Sato

    Abstract: Disclosed herein is an apparatus that includes a first semiconductor chip having a latency counter supplied with a first command and configured to generate a second command when a predetermined period is elapsed after the first command is activated; and a second semiconductor chip having an active control circuit configured to activate a state signal in response to the first command when the state signal is in an inactive state, deactivate the state signal in response to the first command when the state signal is in an active state, and activate the state signal in response to the second command generated based on the first command that is activated when the state signal is in the active state.

    TSV redundancy and TSV test select scheme

    公开(公告)号:US10468386B1

    公开(公告)日:2019-11-05

    申请号:US16183961

    申请日:2018-11-08

    Abstract: An apparatus including through substrate vias (TSVs) used to interconnect stacked chips is described. The apparatus according to an embodiment includes a plurality of first selection lines each extending in a first direction; a plurality of second selection lines each extending in a second direction to cross the plurality of first selection lines; and a plurality of a TSV units disposed in intersections of the plurality of first selection lines and the plurality of second selection lines, respectively. Each TSV unit of the plurality of TSV units includes a TSV; a switch coupled to the TSV; and a selection circuit. The selection circuit is configured to control a switching state of the switch responsive to each of an associated one of the plurality of first selection lines and an associated one of the plurality of second selection lines being set to an active level.

    Semiconductor device performing implicit precharge operation

    公开(公告)号:US10991415B2

    公开(公告)日:2021-04-27

    申请号:US16576621

    申请日:2019-09-19

    Inventor: Homare Sato

    Abstract: Disclosed herein is an apparatus that includes a first semiconductor chip having a latency counter supplied with a first command and configured to generate a second command when a predetermined period is elapsed after the first command is activated; and a second semiconductor chip having an active control circuit configured to activate a state signal in response to the first command when the state signal is in an inactive state, deactivate the state signal in response to the first command when the state signal is in an active state, and activate the state signal in response to the second command generated based on the first command that is activated when the state signal is in the active state.

    Memory device with write data bus control

    公开(公告)号:US10943625B2

    公开(公告)日:2021-03-09

    申请号:US16721515

    申请日:2019-12-19

    Abstract: Apparatuses and methods for transmitting data between a plurality of chips are described. An example apparatus includes: a first chip, wherein the first chip includes a receiver that receives a data strobe signal and further generates an internal strobe signal responsive, at least in part, to the data strobe signal, the internal strobe signal including a first edge and a second edge following the first edge; a buffer circuit coupled to a set of input terminals and captures first data at the set of input terminals responsive, at least in part, to the first edge of the internal strobe signal and further captures second data at the set of input terminals responsive, at least in part, to the second edge of the internal strobe signal; a driver coupled between the buffer circuit and a set of data terminals and configured to be activated to provide the first and second data from the buffer circuit to the set of data terminals responsive, at least in part, to a control signal; and a width expanding circuit that provides the control signal responsive, at least in part, to the internal strobe signal.

    MEMORY DEVICE WITH WRITE DATA BUS CONTROL
    8.
    发明申请

    公开(公告)号:US20190122708A1

    公开(公告)日:2019-04-25

    申请号:US16225303

    申请日:2018-12-19

    Abstract: Apparatuses and methods for transmitting data between a plurality of chips are described. An example apparatus includes: a first chip, wherein the first chip includes a receiver that receives a data strobe signal and further generates an internal strobe signal responsive, at least in part, to the data strobe signal, the internal strobe signal including a first edge and a second edge following the first edge; a buffer circuit coupled to a set of input terminals and captures first data at the set of input terminals responsive, at least in part, to the first edge of the internal strobe signal and further captures second data at the set of input terminals responsive, at least in part, to the second edge of the internal strobe signal; a driver coupled between the buffer circuit and a set of data terminals and configured to be activated to provide the first and second data from the buffer circuit to the set of data terminals responsive, at least in part, to a control signal; and a width expanding circuit that provides the control signal responsive, at least in part, to the internal strobe signal.

    STACK ACCESS CONTROL FOR MEMORY DEVICE
    9.
    发明申请

    公开(公告)号:US20180341575A1

    公开(公告)日:2018-11-29

    申请号:US15606956

    申请日:2017-05-26

    CPC classification number: G06F12/02 G06F2212/1016 G06F2212/1028 H01L23/5226

    Abstract: An example apparatus includes a first semiconductor chip and a second semiconductor chip; and a first via and a plurality of second vias coupling the first semiconductor chip and the second semiconductor chip. The first semiconductor chip provides a first timing signal to the first via and further provides first data responsive to the first timing signal to the plurality of second vias. The second semiconductor chip receives the first timing signal from the first via and the first data from the plurality of second vias and further provides the first data responsive to the first timing signal, when the first semiconductor chip is designated, and provides a second timing signal and further provides second data responsive to the second timing signal, when the second semiconductor chip is designated.

    Semiconductor device performing implicit precharge operation

    公开(公告)号:US11430503B2

    公开(公告)日:2022-08-30

    申请号:US17235761

    申请日:2021-04-20

    Inventor: Homare Sato

    Abstract: Disclosed herein is an apparatus that includes a first semiconductor chip having a latency counter supplied with a first command and configured to generate a second command when a predetermined period is elapsed after the first command is activated; and a second semiconductor chip having an active control circuit configured to activate a state signal in response to the first command when the state signal is in an inactive state, deactivate the state signal in response to the first command when the state signal is in an active state, and activate the state signal in response to the second command generated based on the first command that is activated when the state signal is in the active state.

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