Electrostatic protection circuit comprising plurality of protective elements
US5724219A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | May 30, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/601
Abstract
A semiconductor device according to this invention comprises a first power supply (Vcc) wiring, a second power supply (Gnd) wiring, a first, a second and a third protective elements (3-1, 3-2 and 3-3), a first connecting wiring which connects in common one ends of the first, the second and the third protective elements, a second connecting wiring which connects the other ends of the first, the second and the third protective elements, and a third connecting wiring which connects the first connecting wiring and the first power supply wiring. The third connecting wiring has a resistance which is higher than that of the first connecting wiring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.