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2 - 4 March 2021 // Nuremberg, Germany

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Exhibitors & Products embedded world 2020
Zoom Image LOGO_Physical Unclonable Function (PUF)

Physical Unclonable Function (PUF)

LOGO_Physical Unclonable Function (PUF)

Physical Unclonable Function (PUF)

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The Physical Unclonable Function (PUF) is a fully integrated analog IP generating a stable number from random local process variations.


- stable 128-bit number generated from random local process variations;

- fully integrated analog IP based on a current-mode architecture;

- 128 reliable bits selected among a total of 256 bits (size customized on request);

- bit stability verified through a margin check mechanism;

- reliable bits stable over voltage, temperature and aging;

- typical retention time under normal operating conditions higher than 10 years;

- typical characteristics of a 55 nm CMOS implementation:

--- power supply voltage range: 1.2 V ±10%;

--- operating junction temperature range: -40°C to 125°C;

--- typical bit reading time shorter than 10 µs;

--- typical operating current during bit reading smaller than 20 µA;

--- typical standby current smaller than 1 µA;

--- silicon area smaller than 0.04 mm².

- silicon proven in 65 nm and 55 nm CMOS processes.


- GDSII stream;

- Layer map file;

- Library Exchange Format (LEF) file;

- Circuit Description Language (CDL) netlist;

- Liberty Timing File (.lib);

- VHDL behavioral model;

  • - design specification.


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