公开(公告)号：US20190042130A1

公开(公告)日：2019-02-07

申请号：US15845596

申请日：2017-12-18

Applicant: Intel Corporation

Inventor： NAVEEN VITTAL PRABHU ,  ALIASGAR S. MADRASWALA ,  DONIA SEBASTIAN ,  SHANKAR NATARAJAN

IPC: G06F3/06

Abstract: A system for reconfiguring flash memory from a default access operation mode (e.g., MLC, TLC, or QLC mode) to a non-default access operation mode (e.g., SLC mode) using opcode prefixes is provided. Opcode prefix logic enables the flash memory die to enter a non-default (e.g., faster) access operation mode. The non-default access operation mode is entered by providing a prefix instruction or opcode prefix to the memory controller and/or to the flash memory die prior to memory operation commands (“opcode”) for program, read, and/or erase. The flash memory die is configured to automatically exit the non-default access operation mode after a single operation, or the flash memory die is configured to exit the non-default access operation mode upon receipt of another opcode prefix.