US Patent 10565174 Operating method for non-volatile memory

A non-volatile memory includes: at least one parent node; and at least one child node that stores a data object and has a variable size of n multiple of the parent node, n being a natural number, when a target child node to insert at least one new data object is fully filled, wherein the data objects of the target child node are split and reinserted into newly created at least one child node.