Memory circuit with protection circuit
US4109161A · kind A · utility
12Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1977 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Feb 8, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/05554
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A memory circuit with protection circuit having particular application to MOS-IC memories is disclosed. The protection circuit prevents the memory from being damaged by an undesirable turn-on or turn-off sequence of main and substrate voltage supplies or by an abnormal substrate voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.