TRI-LEVEL TEST MODE TERMINAL IN LIMITED TERMINAL ENVIRONMENT

A technique for increasing functionality of terminals of an integrated circuit without increasing the number of terminals of the integrated circuit utilizes at least one tri-level terminal and converter circuit that provides a logic level indicative of a test mode of the integrated circuit in respon...

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Bibliographische Detailangaben
Hauptverfasser: PASTORELLO DOUGLAS F, JUHN RICHARD
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A technique for increasing functionality of terminals of an integrated circuit without increasing the number of terminals of the integrated circuit utilizes at least one tri-level terminal and converter circuit that provides a logic level indicative of a test mode of the integrated circuit in response to a corresponding input level. The technique substantially reduces or eliminates false detections of the test mode and substantially reduces or eliminates falsely enabling other (e.g., functional) mode(s) of the integrated circuit.