Mass storage device architecture and operation

The device according to claim 10, wherein said volatile data stored in the redundancy buffer is loaded from a non-volatile memory when the device is powered up.

A method for operation of a mass storage device, the method comprising:

• providing at least one array of memory cells, at least one data path unit in communication with said at least one array, said at least one data path unit comprising a master buffer, and a main data bus adapted to transfer data between said at least one data path unit and an input/output (I/O) unit via a buffer interface unit (BIF) comprising a plurality of slave buffers;
• and
• performing at least one of a download and upload of data between said main data bus and said I/O unit, while in parallel performing an internal operation between said main data bus and said at least one array, said internal operation comprising at least one of a read, program and erase operation.