Design Impedance Mismatch Physical Unclonable Functions for IoT Security

Table 1

The comparison with other works.

Paper	PUFs type	Frequency (Hz)	Variation source
TNANO, 2015 [8]	MRAM-PUF	—	Material-level
VLSI, 2005 [11]	Arbiter-based PUFs	100 M	Circuit-level
CHES, 2010 [12]	Glitch PUFs	50 M	Circuit-level
IFS, 2011 [13]	Time Bounded	20 M	Circuit-level
Scientific reports, 2015 [14]	mrS-PUFs	25 M	Material-level
This work	IM-PUFs	100 M	Board-level