CMOS Latch-up protection circuit
US4353105A · kind A · utility
12Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 1980 |
| Grant date | Oct 5, 1982 |
| Priority date | — |
| Expiry date | Dec 8, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D84/854
Abstract
A protection circuit for bulk-silicon CMOS circuits detects the latch-up of parasitic SCR devices, current starves the CMOS circuit in response to detecting a SCR latch-up condition and reenables normal circuit operation once the latch-up condition has been terminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.