Electro-static discharge protection circuit

Details Electro-static discharge protection circuit Electro-static discharge protection circuit

1997-05-27

1999-01-12

Elms, Richard T.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

361 56, 361 91, H02H 900

Patent

active

058597581

ABSTRACT:
An electro-static discharge (ESD) protection circuit for a semiconductor device includes a primary ESD protection circuit including at least two diodes, the primary ESD protection circuit being located between a positive voltage and a negative voltage, and connected to input/output terminals of the semiconductor device, the primary ESD protection circuit bypassing any static electricity applied from the input/output terminals; and a secondary ESD protection circuit connected to the primary ESD protection circuit in parallel, the secondary ESD protection circuit including at least two diodes.

REFERENCES:
patent: 4254442 (1981-03-01), Dijkmans et al.
patent: 4571656 (1986-02-01), Ruckman
patent: 5412527 (1995-05-01), Husher

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