Patent ID: 7317344
Filing Date: 2008-01-08
Classification: G11C,H01L

Abstract:
1. A semiconductor device, comprising: an input; a function selection fuse portion, connected to the input; a rest control circuit portion, connected to the input; and an output, connected to the function selection fuse portion, wherein the function selection fuse portion further comprises a first P channel type MOS transistor, a first N channel type MOS transistor, a second N channel type MOS transistor, a first fuse and a voltage adjustment circuit, wherein the input is connected to gates of the first P channel type MOS transistor and the first N channel type MOS transistor, a drain of the first P channel type MOS transistor is connected to a drain of the first N channel type MOS transistor through the first fuse and a drain of the second N channel type MOS transistor, wherein a source of the first P channel type MOS transistor is connected to a power source terminal, sources of the first and the second N channel type MOS transistors are connected to a ground terminal, the drain of the first P channel type MOS transistor is connected to the output through the voltage adjustment circuit, the input is further connected to a gate of the second N channel type MOS transistor through the rest control circuit portion, wherein the drain of the first P channel type MOS transistor is directly connected to the first fuse.