The present method generates a greater number of hot holes than those generated by normal write/erase operations, thereby making it possible to evaluate an operation of a non-volatile memory with respect to hot holes. The present method performs a write operation to the non-volatile memory at lower temperatures than normal temperatures at normal use or/and at a lower operation voltage than a normal operation voltage at normal use, so as to generate a greater number of hot holes than those generated by normal write/erase operations between floating gates and drains of the memory, and then evaluates the operation of the memory while exposing it to the normal operation temperatures. This method is applicable to reliability tests of non-volatile memories such as FLASH memories.

 
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