SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD FOR CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT

A delay part delays a data signal by two mutually-different delay times and outputs it as first and second delay signals. A holding part holds the first and second delay signals in synchronization with a timing signal for giving an instruction on a predetermined capture timing. A setup time detectio...

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Bibliographische Detailangaben
Hauptverfasser: Kumano, Kazuo, Kawaguchi, Yuya
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A delay part delays a data signal by two mutually-different delay times and outputs it as first and second delay signals. A holding part holds the first and second delay signals in synchronization with a timing signal for giving an instruction on a predetermined capture timing. A setup time detection part detects whether or not one of the first and second delay signals held within a setup-time detection period from a predetermined start timing to the predetermined capture timing has changed. A hold time detection part detects whether or not the other of the first and second delay signals held within a hold-time detection period from the predetermined capture timing to a predetermined end timing has changed.