Resistive memory device and method relating to a read voltage in accordance with variable situations
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United States of America Patent
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Jan 23, 2018
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app pub date -
Jul 21, 2016
filing date -
Feb 18, 2016
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Abstract
A resistive memory device and a method may be provided. The resistive memory device may include a reset voltage-detecting circuit, a set voltage-detecting circuit, a control circuit and a read voltage-generating circuit. The reset voltage-detecting circuit may receive a variable preliminary reset current to detect reference reset voltage information. The set voltage-detecting circuit may receive a variable preliminary set current to detect reference set voltage information. The control circuit may receive the reference reset voltage information and the reference set voltage information to determine middle voltage information of the reference reset voltage information and the reference set voltage information. The read voltage-generating circuit may receive the middle voltage information to generate a read voltage.
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