Vierra Magen Marcus LLP
Peak current management in non-volatile storage
Technology is described for keeping current (e.g., peak power supply current or ICC) in a non-volatile memory system within a target while maintaining high throughput. Programming conditions are adaptively changed at the sub-codeword level in order to keep power supply current of the memory system within a target. In one embodiment, a chunk of data that corresponds to a sub-codeword is written while consuming lower than normal programming current in order to keep power supply current within a target. The relatively low programming current may increase the expected raw BER. However, other portions of the codeword can be written with a higher than normal programming current, which results in a lower expected bit raw error rate for the memory cells that store that portion.
SanDisk Technologies LLC
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Alexander Tz-Yi Judah Ariel Omer Eran Alon
Bazarsky Liu Hahn Navon Fainzilber Sharon Eyal