18600230. PHYSICALLY UNCLONABLE FUNCTION CELL AND OPERATION METHOD OF THE SAME simplified abstract (Taiwan Semiconductor Manufacturing Company, Ltd.)

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PHYSICALLY UNCLONABLE FUNCTION CELL AND OPERATION METHOD OF THE SAME

Organization Name

Taiwan Semiconductor Manufacturing Company, Ltd.

Inventor(s)

Chia-Che Chung of Hsinchu City (TW)

Chia-Jung Tsen of Taoyuan City (TW)

Ya-Jui Tsou of Taichung City (TW)

Chee-Wee Liu of Taipei City (TW)

PHYSICALLY UNCLONABLE FUNCTION CELL AND OPERATION METHOD OF THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18600230 titled 'PHYSICALLY UNCLONABLE FUNCTION CELL AND OPERATION METHOD OF THE SAME

The abstract describes a device with a physical unclonable function (PUF) cell array that generates a PUF response output based on the data state of one bit cell in the array.

  • The device includes multiple bit cells, each storing a bit of data and comprising a transistor, a first memory cell, and a second memory cell.
  • The transistor has a control terminal coupled to a word line and a first terminal coupled to a source line.
  • The first memory cell is coupled to a first data line and the second terminal of the transistor.
  • The second memory cell is coupled to a second data line different from the first data line and the second terminal of the first memory cell.

Potential Applications: - Secure authentication systems - Anti-counterfeiting measures - Secure key generation

Problems Solved: - Preventing unauthorized access - Ensuring data integrity - Enhancing security measures

Benefits: - High level of security - Unique identification capabilities - Reliable authentication processes

Commercial Applications: Title: Secure Authentication Solutions with PUF Technology This technology can be used in industries such as banking, healthcare, and IoT for secure access control, data protection, and anti-counterfeiting measures.

Prior Art: Readers can explore prior research on PUF technology, semiconductor memory cells, and secure authentication systems to gain a deeper understanding of the innovation.

Frequently Updated Research: Stay updated on advancements in PUF technology, semiconductor memory design, and secure authentication protocols to leverage the latest developments in the field.

Questions about PUF Technology: 1. How does PUF technology enhance security measures in authentication systems? - PUF technology provides a unique and unclonable identifier for each device, making it extremely difficult for unauthorized users to replicate or access sensitive information.

2. What are the potential drawbacks of using PUF technology in commercial applications? - While PUF technology offers high security, there may be challenges in scalability and compatibility with existing systems that need to be addressed for widespread adoption.


Original Abstract Submitted

A device is provided. The device includes a physical unclonable function (PUF) cell array. The PUF cell array includes multiple bit cells, and generates a PUF response output, in response to a challenge input, based on a data state of one bit cell in the bit cells. Each of the bit cells stores a bit data and includes a transistor having a control terminal coupled to a word line and a first terminal coupled to a source line, a first memory cell having a first terminal coupled to a first data line and a second terminal coupled to a second terminal of the transistor, and a second memory cell having a first terminal coupled to a second data line, different from the first data line, and a second terminal coupled to the second terminal of the first memory cell at the second terminal of the transistor.

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