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Fully-integrated 256-bit Physically Unclonable Function (PUF) with embedded reliability check
- stable 256-bit key generated from random local process variations
- reliable bits selected through a margin check mechanism
- reliable bits stable over voltage, temperature and aging
- typical operating lifetime higher than 10 years
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Charge pump
- AMS BiCMOS 0.35 um
- Adjustable output current
- Phase-frequency detector (PFD) reset circuit
- Differential input signal
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CMOP charge pump
- AMS BiCMOS 0.35 um
- Adjustable output current
- Differential current switches mode
- Single-ended mode with reduced current consumption