Boosting circuit for high voltage operation
US6518831B1 · kind B1 · utility
5Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Dec 6, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A boosting circuit for a high voltage operation in a semiconductor memory device for preventing a transistor of a high voltage pump circuit from being destroyed due to an excessive bootstrap voltage in a pumping operation, by controlling the operation of the high voltage pump circuit according to a signal detecting that the bootstrap voltage of the high voltage pump circuit has increased above a predetermined level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.