An integrated circuit includes a sensing circuit, a fuse box, and a fuse bus decoder. The sensing circuit includes an output node, and the fuse box includes a plurality of switches coupled in series with a plurality of resistive elements. The fuse box is coupled to the output node of the sensing circuit from which the fuse box is configured to receive a current. The fuse bus decoder is coupled to the fuse box and includes at least one demultiplexer configured to receive a signal and in response output a plurality of control signals for selectively opening and closing the switches of the fuse box to adjust a resistance across the fuse box. A voltage of the output node of the sense amplifier is based on a resistance the fuse box and the current.