US Patent Application 18452020. WEAR LEVELING IN SOLID STATE DRIVES simplified abstract

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WEAR LEVELING IN SOLID STATE DRIVES

Organization Name

Micron Technology, Inc.

Inventor(s)

Zoltan Szubbocsev of Haimhausen (DE)

WEAR LEVELING IN SOLID STATE DRIVES - A simplified explanation of the abstract

This abstract first appeared for US patent application 18452020 titled 'WEAR LEVELING IN SOLID STATE DRIVES

Simplified Explanation

The patent application describes a computer storage device with a host interface, a controller, non-volatile storage media of different types, and firmware.

  • The firmware instructs the controller to generate an address map that maps logical addresses to physical addresses of the different types of memory units.
  • The firmware also instructs the controller to adjust the address map based on the program erase budgets of the memory units.
  • The purpose of adjusting the address map is to evenly distribute wear across the memory units of different types.


Original Abstract Submitted

A computer storage device having: a host interface; a controller; non-volatile storage media having memory units of different types and having different program erase budgets; and firmware. The firmware instructs the controller to: generate an address map mapping logical addresses to physical addresses of the memory units the different types; and adjust the address map based at least in part on the program erase budgets to level wear across the memory units of the different types.

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