Patent ID: 6307421
Filing Date: 2001-10-23
Classification: H03K

Abstract:
An output circuit comprising:a first field effect transistor having a channel of one conductivity, having a gate connected to a first node, having a first electrode connected to a first power supply and having a second electrode connected to a second node,a second field effect transistor having a channel of the one conductivity, having a gate connected to a third node, having a first electrode connected to said second node, having a second electrode connected to a fourth node and having a substrate connected to a fifth node which is floating,a third field effect transistor having a channel of the one conductivity, having a gate connected to a sixth node, having a first electrode connected to said third node, having a second electrode connected to said fourth node and having a substrate connected to said fifth node,a fourth field effect transistor having a channel of an opposite conductivity, having a gate connected to said first power supply, having a first electrode connected to said fourth node and having a second electrode connected to a seventh node,a fifth field effect transistor having a channel of the one conductivity, having a gate connected to said third node, having a first electrode connected to said seventh node, having a second electrode connected to said fourth node and a substrate connected to said fifth node,an inverter having an input terminal connected to said seventh node and an output terminal connected to an eighth node,a sixth field effect transistor having a channel of the opposite conductivity, having a gate connected to said eighth node, having a first electrode connected to a second power supply and having a second electrode connected to said sixth node, anda seventh field effect transistor having a channel of the opposite conductivity, having a gate connected to said first power supply, having a first electrode connected to said sixth node and having a second electrode connected to said third node.