Importance

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Abstract

One embodiment of the present invention provides a memory device comprising a plurality of sets of memory banks, wherein each memory bank includes a memory array and is adapted to be read out in a data access; a plurality of internal data buses and a plurality of internal command and address buses connected to the plurality of sets of memory banks, respectively, such that each set of memory banks is associated with one of the internal data buses and one of the internal command and address buses; a command and address port for receiving command and address data from outside; and a command and address unit to direct the received command and address data to one of the sets of memory banks via the associated command and address bus, depending on the address data; and a data output unit for receiving data read out from one set of memory banks via the respective internal data bus in the data access and for serially outputting the received data.

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First Claim