Embodiments of the present invention provide a drive and biasing circuit for an input/output stage of a device. Embodiments of the present invention provide live-insertion protection by driving and biasing various nodes in the input/output stage. Embodiments of the present invention also provide over-voltage...http://www.google.fr/patents/US6842320?utm_source=gb-gplus-shareBrevet US6842320 - Hot-pluggable over-voltage tolerant input/output circuit
