Semiconductor device and control method thereof

A semiconductor device includes a connector configured for connection to a host, a power circuit supplied with a first voltage from the host via the connector, the power circuit including first and second channels configured to generate second and third voltages, respectively, from the first voltage...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Matsumoto, Hajime, Eguchi, Toyokazu
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A semiconductor device includes a connector configured for connection to a host, a power circuit supplied with a first voltage from the host via the connector, the power circuit including first and second channels configured to generate second and third voltages, respectively, from the first voltage, a semiconductor memory supplied with the second voltage via the first channel, and a controller for the semiconductor memory, supplied with the third voltage via the second channel. When the first voltage is less than a first threshold, the power circuit turns off the first channel and the second channel.