Abstract: A fuse circuit includes a first power supply line, a second power supply line, a first current source connected between the first power supply line and an output terminal, a second current source connected between the second power supply line and the output terminal, the second current source having higher current supply capacity or current draw-out capacity than the first current source, and a fuse connected in series with the second current source between the second power supply line and the output terminal.

Abstract: A fuse circuit in accordance with one embodiment of the present invention includes a first power supply line, a second power supply line, a current source connected between the first power supply line and an output terminal, a first transistor having a drain or a collector connected to the output terminal, the first transistor having a current supply capability or a current draw capability larger than that of the current source for the output terminal, a second transistor having a gate or a base connected in common with the gate or the base of the first transistor, a first resistive element and a fuse connected in series between the source or the emitter of either one of the first or second transistor and the second power supply line, and a second resistive element connected between the source or the emitter of the other one of the first or second transistor and the second power supply line.

Abstract: A semiconductor apparatus according to the present invention includes a plurality of electric fuses that can be disconnected electrically, a selection circuit selecting the plurality of electric fuses in response to a selection signal, a disconnection circuit disconnecting the selected plurality of electric fuses by passing a current, and a control signal generator generating a control signal that controls components to be controlled according to connection conditions of the plurality of the electric fuses.

Abstract: A fuse circuit includes a first power supply line, a second power supply line, a first current source connected between the first power supply line and an output terminal, a second current source connected between the second power supply line and the output terminal, the second current source having higher current supply capacity or current draw-out capacity than the first current source, and a fuse connected in series with the second current source between the second power supply line and the output terminal

Abstract: A fuse circuit in accordance with one embodiment of the present invention includes a first power supply liner a second power supply liner a current source connected between the first power supply line and an output terminal, a first transistor having a drain or a collector connected to the output terminal, the first transistor having a current supply capability or a current draw capability larger than that of the current source for the output terminal, a second transistor having a gate or a base connected in common with the gate or the base of the first transistor, a first resistive element and a fuse connected in series between the source or the emitter of either one of the first or second transistor and the second power supply line, and a second resistive element connected between the source or the emitter of the other one of the first or second transistor and the second power supply line.

Abstract: A semiconductor apparatus according to the present invention includes a plurality of electric fuses that can be disconnected electrically, a selection circuit selecting the plurality of electric fuses in response to a selection signal, a disconnection circuit disconnecting the selected plurality of electric fuses by passing a current, and a control signal generator generating a control signal that controls components to be controlled according to connection conditions of the plurality of the electric fuses.