Patent ID: 7808809
Filing Date: 2010-10-05
Classification: G06F,G11C,Y02D

Abstract:
1. A transient storage device, comprising: a FLASH emulation interface circuitry positioned in a logic plane and operative to electrically communicate with a plurality of signals configured for data operations to FLASH memory, the plurality of signals including an address signal and at least one data operation signal; and a non-volatile memory array in contact with the logic plane and fabricated over the FLASH emulation interface circuitry, the non-volatile memory array is electrically coupled with the FLASH emulation interface circuitry, the non-volatile memory array including a plurality of memory cells, each memory cell including a first terminal and a second terminal and operative to store data as a plurality of conductivity profiles that can be determined by applying a read voltage across the first and second terminals, the data is retained in the absence of power, data is written by applying a write voltage across the first and second terminals, a magnitude of the write voltage is less than the a magnitude of the read voltage, wherein the FLASH emulation interface circuitry is operative to perform data operations on the non-volatile memory array in response to the plurality of signals and the data operations emulate FLASH memory data operations, and wherein the FLASH emulation interface circuitry performs a write operation to the non-volatile memory array without having to perform an erase operation prior to the write operation.