Internal voltage clamp protection circuit without parasitic cross-talk
US6215637A · kind A · utility
2Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Apr 13, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/711
Abstract
A internal circuitry protection scheme which protects on-IC circuitry when an external pin is shorted to a higher than normal voltage. The disclosed solution eliminates cross-talk due to a parasitic NPN.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.