Input protection circuit

Details Input protection circuit Input protection circuit

1997-10-24

1999-10-12

Saadat, Mahshid

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

357339, 357361, 357362, H01L 2362, H01L 2976, H01L 2994

Patent

active

059659203

ABSTRACT:
An input protection circuit which makes it possible to protect an internal circuit with respect to withstanding an electro-static charge by forming multiple discharge loops by connecting each input pad via an input protection circuit. The circuit includes a plurality of pads formed on a P well within a substrate, first discharge paths formed between neighboring pads, and a second discharge path formed between the pads and circuit ground.

REFERENCES:
patent: 4100561 (1978-07-01), Ollendorf
patent: 4994874 (1991-02-01), Shimizu et al.
patent: 5406105 (1995-04-01), Lee
patent: 5432368 (1995-07-01), Jimenez
patent: 5442217 (1995-08-01), Mimoto
patent: 5576557 (1996-11-01), Ker et al.
patent: 5594265 (1997-01-01), Shimizu et al.

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