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A physical unclonable function, or PUF, is a "digital fingerprint" that serves as a unique identity for a semiconductor device such as a microprocessor. PUFs are based on physical variations which occur naturally during semiconductor manufacturing, and which make it possible to differentiate between otherwise identical semiconductors. PUFs are usually utilized in cryptography. A physical unclonable function (sometimes also called physically unclonable function) is a physical entity that is embodied in a physical structure. Today, PUFs are usually implemented in integrated circuits and are typically used in applications with high security requirements.


The chip's unique birthmark iUnique technology is based on the physical non-cloning technology PUF, which uses the random characteristics of each chip to generate a random key or security ID, which is the unique "fetal birthmark" unique to each chip, and solves the root of trust of the system.

KEY FEATURES:

  • Root of trust, unclonable, chip dependent ID with unique static and dynamic signature behavior in each chip
  • Process dependent, fully invisible, root of trust
  • Support 0.18um, 0.13um, 55nm, 40nm, 28nm, 14nm
  • Small Area: 0.02mm2 (140um x 140um)
  • Low power consumption: 50uA for read and 0.1uA static
  • PUF size: 64 to 256 bits (could extend to 1K bit)
  • No need for special mask layer, single core voltage supply
  • Can be used in secure wireless communication, network authentication, device pairing, secure IoT, secure flash storage, bank card/sim card etc
  • Large inter-hamming-duistance / Small intra-hamming-distance

BLOCK DIAGRAM:

INNOSILICON ADVANTAGES:

  • Simple integration with pre-assembled hard-macro
  • Fully customized solutions
  • Small die size

EXAMPLE APPLICATIONS:

  • PUF Encrypted eFlash
  • Workstation/Server/PC/Laptop
  • Encrypted PUF Flash for bank card
  • Secure 4G LTE IC
TELL US WHAT YOU NEED   We will provide a solution customized to best fit your needs.

DDR Q&A

 What processes are available?

Support 0.18um, 0.13um, 55nm, 40nm, 28nm, 14nm

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