Flash memory based storage devices utilizing magnetoresistive random access memory (MRAM)

A storage device comprising:

• flash memory;
• a flash memory controller that controls at least one of addressing, programming, erasing, and reading of the flash memory;
• a host interface for communicating with a host device;
• a magnetoresistive random access memory (MRAM) buffer electrically connected between the host interface and the flash controller;
• and
• a processor that receives commands from the host device via the host interface and coordinates the at least one of addressing, programming, erasing and reading of the flash memory by the flash memory controller,
• wherein the MRAM buffer receives data via the host interface and stores the data until the data is written to the flash memory under control of the flash memory controller,
• wherein upon cessation of power to the storage device, the MRAM buffer stores the data until power is restored, after which the processor causes the buffered data to be written to the flash memory under control of the flash memory controller.