APPARATUS FOR COMPENSATING FOR RADIATION RESISTANCE OF SEMICONDUCTOR MEMORY, METHOD THEREFOR, AND ELECTRONIC CIRCUIT

The purpose of the invention is to compensate for the radiation tolerance of a semiconductor memory. An apparatus (10) for compensating for radiation tolerance comprises: a voltage value acquisition unit (11) that acquires a data retention voltage value that is a maximum voltage value at which data...

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Bibliographische Detailangaben
Hauptverfasser: KOBAYASHI, Daisuke, KUSANO, Masaki, MATSUURA, Daisuke, HIROSE, Kazuyuki, KAWASAKI, Osamu, MORI, Yoshiharu
Format: Patent
Sprache:eng
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Zusammenfassung:The purpose of the invention is to compensate for the radiation tolerance of a semiconductor memory. An apparatus (10) for compensating for radiation tolerance comprises: a voltage value acquisition unit (11) that acquires a data retention voltage value that is a maximum voltage value at which data is inverted when a power supply voltage of a semiconductor memory having a latch circuit is lowered; a correction value determination unit (12) that determines a voltage correction value on the basis of a difference between the data retention voltage value and a reference voltage value; and a voltage adjustment unit (13) that adjusts at least one among the power supply voltage and a substrate bias voltage by using the voltage correction value. The reference voltage value is set to be equal to or lower than the data retention voltage value that satisfies a required radiation tolerance.