Patent ID: 11862225
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The comparison circuit according to claim 9, wherein the differential amplifying circuit comprises a third MOS transistor and a fourth MOS transistor, both of the third MOS transistor and the fourth MOS transistor are of the same type and size;
wherein a gate of the third MOS transistor is configured to receive the second reference signal, a drain of the third MOS transistor is configured to connect to a first load, a gate of the fourth MOS transistor is configured to receive the external signal, a drain of the fourth MOS transistor is configured to connect to a second load, and a source of the third MOS transistor and a source of the fourth MOS transistor are connected to a same current source.