Patent ID: 11934566
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 2:
3. The voltage attack detection circuit according to claim 1, wherein the voltage detection circuit comprises:
a first hysteresis comparator and a second hysteresis comparator;
wherein a positive input terminal of the first hysteresis comparator is connected to the first terminal to receive the first voltage, a negative input terminal of the first hysteresis comparator is connected to the first reference voltage, an output terminal of the first hysteresis comparator is configured to output the first signal, a positive input of the second hysteresis comparator is connected to the second terminal to receive the second voltage, a negative input terminal of the second hysteresis comparator is connected to the second reference voltage, and an output terminal of the second hysteresis comparator is configured to output the second signal.