Patent ID: 7098491
Filing Date: 2006-08-29
Classification: H01L

Abstract:
1. A semiconductor device comprising a substrate, a fuse window above the substrate, and at least one device located under the fuse window wherein the at least one device includes at least one fuse circuit; wherein the fuse circuit comprises: a fuse having a first end connected to a first voltage; a first transistor having a first current electrode (drain) connected to a second end of the fuse, a control electrode (gate) for receiving an input signal, and a second current electrode (source) connected to a second voltage; a second transistor having a first current electrode connected to the second end of the fuse, a control electrode, and a second current electrode connected to the second voltage; a first diode having an anode and a cathode, the anode of the first diode connected to the second voltage and the cathode of the first diode connected to the second end of the fuse; a second diode having an anode and a cathode, the anode of the second diode connected to the second end of the fuse and the cathode of the second diode connected to the first voltage; a resistor having a first end connected to the anode of the second diode, and a second end; and an inverter having an input end connected to the second end of the resistor, and an output end connected to the control electrode of the second transistor for providing an output signal.