| Low-power sub-threshold design of secure physical unclonable functions Recent countries visiting this post |  |
 | 9 | United States |
 | 3 | |
 | 1 | Russian Federation |
 | 1 | Japan |
| Low-power sub-threshold design of secure physical unclonable functions Recent countries visiting this post | |
| 9 | United States |
| 3 | |
| 1 | Russian Federation |
| 1 | Japan |