By researching the Carbon Nanotube Field Effect Transistor(CNFET) and the Physical Unclonable Functions(PUF) circuit

a structure of high-performance ternary SRAM-PUF circuit is proposed.In this circuit structure

the cross-coupling ternary inverters generate random current

which is analyzed according to the mismatch feature.After competing the random current of ternary SRAM

it produces three-valued signal

such as 0

1 and 2.Under Stanford University 32nm CNFET standard model

HSPICE is used for Monte Carlo simulation to analysis the randomness

uniqueness and other features.And simulation results show that the randomness variation an

d uniqueness can be achieved at 0.03% after normalization.Comparing with conventional binary CMOS PUF circuit

the proposed circuit improves the speed by 33%

and increases the number of challenge-response by(1.5)

n

times.