Non-volatile memory device and storage device including the same

A solid-state drive (SSD) comprising:

• a plurality of flash memory devices;
• and
• a SSD controller connected to the plurality of flash memory devices through a plurality of channels, the SSD controller comprising at least one processor, a non-volatile memory interface configured to provide an interface function with the plurality of flash memory devices, an ECC engine configured to correct an error of data provided from the plurality of flash memory devices based on an error correction code, and a buffer memory configured to temporarily store data provided from the plurality of flash memory devices,
• wherein at least one flash memory device of the plurality of flash memory devices comprises:
• a first memory cell array comprising a plurality of flash memory cells;
• a first page buffer circuit connected to the first memory cell array through a first plurality of bit lines;
• a second memory cell array comprising a plurality of flash memory cells;
• a second page buffer circuit connected to the second memory cell array through a second plurality of bit lines;
• a first wave pipeline output stage configured to receive first data transmitted through a first data path having a wave pipeline structure from the first page buffer circuit and output the first data;
• a second wave pipeline output stage configured to receive second data transmitted through a second data path having a wave pipeline structure from the second page buffer circuit and output the second data;
• a first MUX configured to select one of the first data output from the first wave pipeline output stage and the second data output from the second wave pipeline output stage and to output the selected one as third data;
• a hybrid pipeline output stage configured to receive third data output from the first MUX and output the third data;
• and
• a second MUX configured to output the third data output from the hybrid pipeline output stage based on a select clock signal,
• wherein the first wave pipeline output stage comprises:
• a first FIFO input clock signal generator configured to generate a first FIFO input clock signals;
• a first FIFO output clock signal generator configured to generate a first FIFO output clock signals;
• a first FIFO memory configured to receive the first data transmitted from the first page buffer circuit based on the first FIFO input clock signals and to output the first data based on the first FIFO output clock signals, and
• wherein the second wave pipeline output stage comprises:
• a second FIFO input clock signal generator configured to generate a second FIFO input clock signals;
• a second FIFO output clock signal generator configured to generate a second FIFO output clock signals;
• a second FIFO memory configured to receive the second data transmitted from the second page buffer circuit based on the second FIFO input clock signals and to output the second data based on the second FIFO output clock signals, and
• wherein the hybrid pipeline output stage comprises:
• a third FIFO input clock signal generator configured to generate a third FIFO input clock signals;
• a third FIFO output clock signal generator configured to generate a third FIFO output clock signals;
• a third FIFO memory configured to receive the third data output from the first MUX based on the third FIFO input clock signals and to output the third data based on the third FIFO output clock signals;
• and
• a serial pipeline structure configured to receive the third data output from the third FIFO memory and output the third data and comprised of a plurality of serial pipelines.

A solid-state drive (SSD) comprising:

• a plurality of flash memory devices;
• and
• a SSD controller connected to the plurality of flash memory devices through a plurality of channels, the SSD controller comprising at least one processor, a non-volatile memory interface configured to provide an interface function with the plurality of flash memory devices and an ECC engine configured to correct an error of data provided from the plurality of flash memory devices based on an error correction code, and a buffer memory configured to temporarily store data provided from the plurality of flash memory devices,
• wherein at least one flash memory device of the plurality of flash memory devices comprises:
• a first memory cell array comprising a plurality of flash memory cells;
• a first page buffer circuit connected to the first memory cell array through a first plurality of bit lines;
• a second memory cell array comprising a plurality of flash memory cells;
• a second page buffer circuit connected to the second memory cell array through a second plurality of bit lines;
• a third memory cell array comprising a plurality of flash memory cells;
• a third page buffer circuit connected to the third memory cell array through a third plurality of bit lines;
• a fourth memory cell array comprising a plurality of flash memory cells;
• a fourth page buffer circuit connected to the fourth memory cell array through a fourth plurality of bit lines;
• a first pipeline output stage comprising a first pipeline output stage configured to sequentially output first data transmitted from the first page buffer circuit, a second pipeline output stage configured to sequentially output second data transmitted from the second page buffer circuit, a third pipeline output stage configured to sequentially output third data transmitted from the third page buffer circuit and a fourth pipeline output stage configured to sequentially output fourth data transmitted from the fourth page buffer circuit;
• a first MUX configured to output one of the first data output from the first pipeline output stage and the second data output from the second pipeline output stage as fifth data;
• a second MUX configured to output one of the third data output from the third pipeline output stage and the fourth data output from the fourth pipeline output stage as sixth data;
• a second pipeline output stage comprising a fifth wave pipeline output stage configured to sequentially output the fifth data output from the first MUX and a sixth wave pipeline output stage configured to sequentially output the sixth data output from the second MUX;
• a third MUX configured to output one of the fifth data output from the fifth wave pipeline output stage and the sixth data output from the sixth wave pipeline output stage as seventh data;
• a hybrid pipeline output stage configured to receive seventh data output from the third MUX and output the seventh data;
• and
• a fourth MUX configured to output the seventh data output from the hybrid pipeline output stage based on a select clock signal,
• wherein the hybrid pipeline output stage comprises:
• a FIFO memory configured to receive the seventh data output from the third MUX based on FIFO input clock signals and to output the seventh data based on FIFO output clock signals;
• and
• a serial pipeline structure configured to receive the third data output from the third FIFO memory and output the third data and comprised of a plurality of serial pipelines.