Electrostatic protection circuit comprising plurality of protect

Details Electrostatic protection circuit comprising plurality of protect Electrostatic protection circuit comprising plurality of protect

1996-05-30

1998-03-03

Fleming, Fritz

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

361 56, 361 58, H02H 322

Patent

active

057242194

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.

REFERENCES:
patent: 4807081 (1989-02-01), Crofts et al.
patent: 5079612 (1992-01-01), Takamoto et al.
patent: 5157573 (1992-10-01), Lee et al.
patent: 5321575 (1994-06-01), Shilo

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