Non-volatile memory device and operation method thereof
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PURPOSE: A non-volatile memory device and an operation method thereof are provided to prevent the electrical characteristic deterioration of CAM cells by suppressing instant power consumption in reading a CAM block. CONSTITUTION: All CAM cells included in a CAM block(300) are erased. The data in only CAM cell connected to one selected word line is stored. The read voltage is applied to the selected word line and a power voltage or a pass voltage lower than the power voltage is applied to word lines excluding the selected word line to read out the CAM cell connected to the word line. The power voltage is supplied to a word line connected to a string included in a target CAM cell.