HIGH VOLTAGE FAIL-SAFE IO DESIGN USING THIN OXIDE DEVICES

HIGH VOLTAGE FAIL-SAFE IO DESIGN USING THIN OXIDE DEVICES

A high-voltage fail-safe input/output (I/O) interface circuit includes a voltage-divider circuit coupled to an I/O pad of the I/O interface circuit, and a selector circuit configured to couple, to a power supply line of the I/O interface circuit one of an output of the voltage-divider circuit or and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BENZER DARRIN ROBERT
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:A high-voltage fail-safe input/output (I/O) interface circuit includes a voltage-divider circuit coupled to an I/O pad of the I/O interface circuit, and a selector circuit configured to couple, to a power supply line of the I/O interface circuit one of an output of the voltage-divider circuit or and I/O supply voltage. The voltage-divider circuit and the selector circuit are implemented on the same chip with the I/O interface circuit.