| 摘要 |
A repair fuse error detection circuit of a semiconductor device is provided to prevent an operation error of the semiconductor device using a repair fuse, by accurately detecting the state of the repair fuse. A repair fuse error detection circuit includes a repair fuse(110). A pull-up transistor(PM) is connected between a power supply stage and an input stage of the repair fuse, and transfer a power supply voltage to the input stage of the repair fuse according to a precharge signal inputted to a gate. A first latch part(120) is connected to the input stage of the repair fuse to latch the input stage potential of the repair fuse. A pull-down transistor(NM) is connected between a ground stage and an output stage of the repair fuse, and transfers a current flowing through the repair fuse to the ground stage according to a control signal inputted to a gate. A second latch part(130) is connected to the output stage of the repair fuse, and latches the output stage potential of the repair fuse.
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