ACTIVE PROTECTION CIRCUIT ARRANGEMENT

A circuit arrangement for the protection of integrated semiconductor circuits from electrical pulses or electrical overvoltages is disclosed, comprising an RC element of a first resistor (R1; R10) and a capacitor (C1; C10) in series, wired between two power supply lines (VDD, VSS), with a chain of i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FANKHAUSER BERND, MAYERHOFER MICHAEL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit arrangement for the protection of integrated semiconductor circuits from electrical pulses or electrical overvoltages is disclosed, comprising an RC element of a first resistor (R1; R10) and a capacitor (C1; C10) in series, wired between two power supply lines (VDD, VSS), with a chain of inverters (I10 - I12), wired one after the other in series, connected on the input side to the connection point of the first resistance (R1; R10) and the capacitance (C1; C10) and with a protection transistor (ST), connected at the control input thereof to the output of the inverter chain and at the output side thereof to the two power supply lines (VDD, VSS).