Protection circuit for semiconductor device

Details Protection circuit for semiconductor device Protection circuit for semiconductor device

1995-12-14

1997-11-04

Monin, Jr., Donald L.

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

Field effect device

Having insulated electrode

257380, 257538, H01L 2702, H01L 2904

Patent

active

056843232

ABSTRACT:
In a semiconductor device adapted to be driven while being cooled in operation and having one input/output terminal to which an element to be protected is connected, a protection circuit consists of a protection element electrically connected between the input/output terminal and a semiconductor substrate. This protection element has no polarity in a current-to-voltage characteristic but has a negative temperature coefficient of resistivity. The protection element exhibits a low resistance at a room temperature but becomes insulative or exhibits a high resistance at an operating temperature of the semiconductor device.

REFERENCES:
patent: 5187559 (1993-02-01), Isobe et al.
patent: 5489547 (1996-02-01), Erdeljac et al.
patent: 5504361 (1996-04-01), Blossfeld
LSI Handbook (1984), p. 679.

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