Storage device and operating method of the storage device

A storage device comprising:

• a memory device configured to compress original data which is divided into a plurality of partial data units into compressed data including a plurality of compressed data chunks, and configured to output the compressed data, wherein each of the compressed data chunks corresponds to a partial data unit among the partial data units and includes a first part indicating a location of a partial data unit having one among a plurality of predetermined bit patterns in the original data and a second part indicating the bit pattern corresponding to the first part;
• and
• a memory controller configured to receive the compressed data from the memory device, and recover the original data, based on the first part and the second part in each of the plurality of compressed data chunks,
• wherein the memory device does not generate a compressed data chunk for a partial data unit without at least one of the predetermined bit patterns.

A storage device comprising:

• a memory device configured to compress original data including a plurality of partial data units to compressed data including a plurality of compressed data chunks by extracting one or more partial data units including any one among a plurality of predetermined logic values from the plurality of partial data units and generating the compressed data chunks corresponding to the extracted partial data units, and configured to output the compressed data, wherein each of the compressed data chunks includes a first part indicating a location of the extracted partial data unit in the original data and a second part indicating the logic value in the extracted partial data unit corresponding to the first part;
• and
• a memory controller configured to receive the compressed data from the memory device, and recover the original data, based on the first part and the second part in each of the plurality of compressed data chunks,
• wherein the memory device does not generate a compressed data chunk for a partial data unit which does not include at least one of the predetermined logic values, and
• wherein, for the partial data unit not including the corresponding compressed data chunk, the memory controller is configured to recover the partial data unit consisting of a specific logic value different from the predetermined logic values.

A storage device comprising:

• a memory device configured to generate compressed data including a plurality of compressed data chunks by compressing original data which is divided into a plurality of bit groups, and configured to output the compressed data, wherein each of the plurality of compressed data chunks includes a first part indicating a location of the bit-group having any one among a plurality of predetermined logic values in the original data and a second part indicating the logic value corresponding to the first part;
• and
• a memory controller configured to receive the compressed data from the memory device, and recover the original data, based on the first part and the second part in each of the plurality of compressed data chunks,
• wherein a number of the compressed data chunks including the second part which corresponds to any one of the predetermined logic values corresponds to a number of bit-groups having the logic value in the original data.