Patent ID: 6218707
Filing Date: 2001-04-17
Classification: H01L,H03K

Abstract:
An electronic switch comprising:a semiconductor substrate comprising first and second wells of a first conductivity type insulated from one another;a first terminal, a second terminal, a third terminal, a first control terminal, and a second control terminal; anda first MOS transistor, a second MOS transistor, and a third MOS transistor, all of a first type;the first MOS transistor being formed in the first well and the second MOS transistor being formed in the second well;the first MOS transistor and the second MOS transistor having respective source-drain paths being connected in series between the first terminal and the second terminal and defining a first connection node, and having respective gates connected together and to the first control terminal;the third MOS transistor having a source-drain path connected between the first connection node and the third terminal, and having a gate connected to the second control terminal.