Patent ID: 7616031
Filing Date: 2009-11-10
Classification: H03K

Abstract:
1. A hard reset circuit comprising: a power source; a first resistor, said first resistor having two opposite ends thereof respectively connected to said power source and a reset terminal; a first electric control switch, said first electric control switch comprising a control end and two bypasses, the two bypasses of said first electric control switch being respectively connected to said reset terminal and a grounding terminal; a second resistor, said second resistor having two opposite ends respectively connected to said power source and the control end of said first electric control switch; a second electric control switch, said second electric control switch comprising a control end and two bypasses, the two bypasses of said second electric control switch being respectively connected to the control end of said first electric control switch and said grounding terminal; a first capacitor, said first capacitor comprising two opposite ends respectively connected to the control end of said second electric control switch and said grounding terminal; wherein said first electric control switch and said second electric control switch are N-channel metal-oxide semiconductor field-effect transistors.