Patent ID: 6373275
Filing Date: 2002-04-16
Classification: G06F,H01L

Abstract:
An electronic device comprising:a transmission line having opposed paired wires including a first wire and a second wire; a termination circuit matched with said transmission line; a driver circuit for supplying a bus wiring system with complementary signals, said bus wiring system comprising said transmission line and said termination circuit; a wiring board including said transmission line and said termination circuit; and a first integrated circuit chip including said driver circuit and mounted on said wiring board; wherein said driver circuit comprises an input node, first to fourth nodes, a first transistor which has a current path between the first node and the third node and has a control electrode connected to the input node, a second transistor which has a current path between the third node and the second node and has a control electrode connected to the input node, a third transistor which has a current path between the first node and the fourth node and has a control electrode connected to the input node, a fourth transistor which has a current path between the fourth node and the second node and has a control electrode connected to the input node, the first and the fourth transistors being a first conductivity type, the second and third transistors being a second conductivity type, the first wire being connected to the third node and the second wire being connected to the fourth node; wherein the first wire and the second wire have characteristic impedance of 25&OHgr; or less, have equal length and are arranged in parallel to each, and wherein said termination circuit comprises a pure resistor of 25&OHgr; or less being connected in series with each of said first and second wires.