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Flash Memory Basics - Flash SSD Power Failure Corruption Prevention, Recovery and Test – Part 2

Posted by John Kuracek on Monday, 12 May 2014

This is a continuation of the discussion of Flash SSD Power Failure Corruption Prevention, Recovery and Test 

Flash Memory Basics

NAND Flash memory is the base storage medium of the Solid State Drives. A Flash memory cell works on the principle that there is a distinguishable stored charge inside the cell which corresponds to either a programmed or erased condition. A peripheral circuitry can check the status of the cell (read) and determine which state the cell is in. The greater the difference between the erased and programmed condition the easier it’s to distinguish the cell state.

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Flash SSD Power Failure Corruption Prevention, Recovery and Test - Part 1

Posted by John Kuracek on Tuesday, 06 May 2014

Electronic systems are often vulnerable to power disruptions. Voltage spikes, brownouts, surges, blackouts and other power supply fluctuations destabilize system operation with typically unpredictable results. In general, once a power spike is detected, a system is reset to revert back to an expected and default condition.

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