A circuit structure for implementing a physical unclonable function and a driving method thereof, an integrated circuit chip and an authentication method thereof, an electronic device are disclosed. The circuit structure includes: a multilayer circuit, a first address circuit and an output circuit, the multilayer circuit includes a first RRAM device array which is addressable and a second RRAM device array which is addressable; the first address circuit is configured to map a resistance value of a second RRAM device in the second RRAM device array to a first address; the first address is used for positioning a selected first RRAM device; and the output circuit is configured to acquire and process a resistance value of the selected first RRAM device and output a processing result.