Random number generating device
US8307022B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2008 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Sep 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/84
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A random number generating device includes: a pulse voltage generator configured to generate a pulse voltage having an amplitude of 26 mV or more; a random noise generating element including source and drain regions formed at a distance from each other on a semiconductor substrate, a tunnel insulating film formed on a portion of the semiconductor substrate located between the source region and the drain region, and a gate electrode formed above the tunnel insulating film and to which the pulse voltage is applied, the random noise generating element configured to generate a random noise contained in a current flowing between the source region and the drain region; and a random number generating unit configured to generate a random number signal based on the random noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.