Electrostatic discharge protecting circuit having a plurality of

Details Electrostatic discharge protecting circuit having a plurality of Electrostatic discharge protecting circuit having a plurality of

1997-11-03

1999-05-11

Leja, Ronald W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361111, 257355, H02H9/00

Patent

active

059034203

ABSTRACT:
An electrostatic discharge (ESD) protecting circuit for effectively discharging an overcurrent applied to a semiconductor circuit device, by providing a plurality of current paths. The ESD protecting circuit comprises a first discharging current path for discharging an overcurrent from the I/O pad to a first power supply, a second discharging current path for discharging the overcurrent from the I/O pad to a second power supply providing power for the internal circuit and a third discharging current path formed between the first power supply and the second power supply.

REFERENCES:
patent: 5140401 (1992-08-01), Ker et al.
patent: 5600525 (1997-02-01), Avery
patent: 5682047 (1997-10-01), Consiglio et al.

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