Patent · US Active

Bridged imbalance PUF unit circuit and multi PUF circuits

US9774327B1 · kind B1 · utility

2Cited by

0References

4Claims

0Family size

Assignee

Ningbo University · CN

Inventors

Pengjun Wang · Zhejiang, CN
Haoyu Qian · Zhejiang, CN
Weiwei Chen · Beijing, CN

Key dates

Filing date	Feb 24, 2017
Grant date	Sep 26, 2017
Priority date	—
Expiry date	Feb 24, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04L9/3278
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

The present invention discloses a bridge imbalance PUF unit circuit and multi PUF circuits; the bridge imbalance PUF unit circuit comprises a four-arm bridge unit circuit and a contrast output unit circuit; the multi PUF circuits comprise a timing controller, a row decoder, a column decoder, a memory array, a row output circuit and a column output circuit; each memory unit in the memory array comprises a bridge imbalance PUF unit circuit and 4 NMOS tubes; the present invention features in higher randomness that is up to 51.8% at the supply voltage of 1.2V under the temperature of 25° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.