Patent ID: 11922055
Assignee: SEAGATE TECHNOLOGY LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. A data storage device, comprising:
a non-volatile memory (NVM) characterized as a main memory store for user data accessible by an external client device;
a controller configured to transfer the user data between the NVM and the external client device responsive to commands issued by the external client device; and
a local memory configured for use by the controller to support said transfers of the user data, the local memory characterized as a ferroelectric stack register memory comprising a first arrangement of ferroelectric memory cells (FMEs) having a first construction, a second arrangement of FMEs having a different, second construction, and a pointer mechanism configured to provide pointers to point to cache lines associated with each of the first and second arrangements of FMEs responsive to inputs supplied by the controller.