Dynamic bit line voltage and sensing time enhanced read for data recovery
Abstract:
A method and system are provided for reading a non-transitory memory array. When a default read operation is performed and has failed, a dynamic sensing bit line voltage (VBLC) enhanced read or a dynamic sense time read is performed. According to the dynamic VBLC enhanced read or the dynamic sense time enhanced read, the VBLC or the sense time is increased, and a read is performed with the increased VBLC or increased sense time. If this enhanced read is unsuccessful, and if a maximum VBLC or a maximum sense time has not yet been reached, the VBLC or the sense time is increased again, and another read is performed. Once the maximum VBLC or a maximum sense time has been reached, if the read is still not successful, a read failure is reported.
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