MEMORY DEVICE
    1.
    发明公开
    MEMORY DEVICE 审中-公开

    公开(公告)号:US20230214124A1

    公开(公告)日:2023-07-06

    申请号:US17934691

    申请日:2022-09-23

    CPC classification number: G06F3/0613 G06F3/0629 G06F3/0673

    Abstract: A memory device includes a memory bank including a plurality of banks that comprise memory cells, and a PIM (processing in memory) circuit including a plurality of PIM blocks, each of the PIM blocks including an arithmetic logic unit (ALU) configured to perform an arithmetic operation using internal data acquired from at least one of the plurality of banks or an address generating unit. The plurality of PIM blocks include a first PIM block allocated to at least one first bank and a second PIM block allocated to at least one second bank. The address generating unit of the first PIM block is configured to generate a first internal row address for the at least one first bank, and the address generating unit of the second PIM block is configured to generate a second internal row address for the at least one second bank.

    BACKWARD COMPATIBLE PROCESSING-IN-MEMORY (PIM) PROTOCOL

    公开(公告)号:US20230128183A1

    公开(公告)日:2023-04-27

    申请号:US17938789

    申请日:2022-10-07

    Abstract: A memory device supporting a processing-in-memory (PIM) protocol includes a mode register set (MRS) configured to store a first parameter code and a second parameter code regarding the PIM protocol in a first register and a second register, respectively. The first parameter code includes a PIM protocol change code indicating whether a PIM protocol change related to an old version PIM protocol is supported, and the second parameter code includes a PIM protocol code for setting a current operation PIM protocol from among a plurality of PIM protocols. The memory device further includes a PIM circuit configured to perform an internal processing operation based on the current operation PIM protocol.

    Neural network method and apparatus with floating point processing

    公开(公告)号:US11513770B2

    公开(公告)日:2022-11-29

    申请号:US16909214

    申请日:2020-06-23

    Abstract: A processor-implemented includes receiving a first floating point operand and a second floating point operand, each having an n-bit format comprising a sign field, an exponent field, and a significand field, normalizing a binary value obtained by performing arithmetic operations for fields corresponding to each other in the first and second floating point operands for an n-bit multiplication operation, determining whether the normalized binary value is a number that is representable in the n-bit format or an extended normal number that is not representable in the n-bit format, according to a result of the determining, encoding the normalized binary value using an extension bit format in which an extension pin identifying whether the normalized binary value is the extended normal number is added to the n-bit format, and outputting the encoded binary value using the extended bit format, as a result of the n-bit multiplication operation.

    Memory device for performing in-memory processing

    公开(公告)号:US11494121B2

    公开(公告)日:2022-11-08

    申请号:US17098959

    申请日:2020-11-16

    Abstract: A memory device includes: in-memory operation units to perform in-memory processing of an operation pipelined in multi-pipeline stages; memory banks assigned to the plurality of in-memory operation units such that a set of n memory banks is assigned to each of the in-memory operation units, each memory bank performing an access operation of data requested by each of the plurality of in-memory operation units while the pipelined operation is performed, wherein n is a natural number; and a memory die in which the in-memory operation units, the memory banks, and command pads configured to receive a command signal from an external source are arranged. Each set of the n memory banks includes a first memory bank having a first data transmission distance to the command pads and a second memory bank having a second data transmission distance to the command pads that is larger than the first data transmission distance.

    Built-in self-test circuits for memory systems having multiple channels

    公开(公告)号:US12230345B2

    公开(公告)日:2025-02-18

    申请号:US18059462

    申请日:2022-11-29

    Abstract: A memory system includes a plurality of memory devices having respective arrays of memory cells therein, a bus electrically coupled to and shared by the plurality of memory devices, and a memory controller. The memory controller, which is electrically coupled to the bus, includes a built-in self-test (BIST) circuit, which is commonly connected to the plurality of memory devices. The BIST circuit is configured to transfer a command set including a test pattern to the plurality of memory devices via the bus, and transfer a command trigger signal for driving the test pattern to the plurality of memory devices via the bus.

    Memory device with internal processing interface

    公开(公告)号:US12099455B2

    公开(公告)日:2024-09-24

    申请号:US17591928

    申请日:2022-02-03

    CPC classification number: G06F13/1668 G06F9/3016

    Abstract: A memory device includes a processor in memory (PIM) circuit including an internal processor configured to perform an internal processing operation, and an interface circuit connected to the PIM circuit, wherein the interface circuit includes a command address decoder configured to decode a command and an address received through first pins to generate an internal command, a second pin configured to receive a voltage signal relating to a control of a PIM operation mode, and a command mode decoder configured to generate at least one command mode bit (CMB) based on the internal command and the voltage signal, and the interface circuit outputs internal control signals to the PIM circuit based on the at least one CMB to control the internal processing operation of the PIM circuit.

    Memory device for processing operation and method of operating the same

    公开(公告)号:US11094371B2

    公开(公告)日:2021-08-17

    申请号:US16810344

    申请日:2020-03-05

    Abstract: A memory device includes a memory bank including at least one bank group, a processor in memory (PIM) circuit including a first processing element arranged to correspond to the bank group, which processes operations by using at least one of data provided by a host and data read from the bank group, a processing element input and output (PEIO) gating circuit configured to control electric connection between a bank local IO arranged to correspond to each bank of the bank group and a bank group IO arranged to correspond to the bank group, and a control logic configured to perform a control operation so that a memory operation for the memory bank is performed or operations are processed by the PIM circuit. When the operations are processed by the first processing element, the PEIO gating circuit blocks the electric connection between the bank local IO and the bank group IO.

    Memory device for performing in-memory processing

    公开(公告)号:US12204796B2

    公开(公告)日:2025-01-21

    申请号:US17954532

    申请日:2022-09-28

    Abstract: A memory device includes: memory operation circuitries to perform memory processing; memory banks assigned to one of the memory operation circuitries such that a set of n memory banks is assigned to each of the memory operation circuitries; and command pads to receive a command signal from an external source, wherein, for each of the memory operation circuitries, a corresponding memory operation circuitry to access memory banks of a corresponding set of n memory banks that is assigned to the corresponding memory operation circuitry, in an order determined based on respective distances from each of the memory banks of the corresponding set of n memory banks to the command pads, and wherein, each of the memory banks of the corresponding set of n memory banks to perform an access operation of data requested by the corresponding memory operation circuitry while the memory processing is performed.

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