Semiconductor apparatus including a protection circuit against e

Details Semiconductor apparatus including a protection circuit against e Semiconductor apparatus including a protection circuit against e

1993-11-26

1995-08-15

Jackson, Jerome

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

Field effect device

Having insulated electrode

257362, 257355, 257546, 361111, H01L 2906, H01L 2978

Patent

active

054422175

ABSTRACT:
A semiconductor apparatus includes multiple protection devices to protect against electrostatic discharge to an internal circuit contained in the semiconductor apparatus. The semiconductor apparatus includes plural terminals including a ground terminal, a substrate bias terminal, a power supply terminal, and an input/output signal terminal. Plural protection devices are connected between various ones of these terminals to provide the necessary discharge protection for a variety of discharge scenarios.

REFERENCES:
patent: 4692781 (1987-09-01), Rountree et al.
patent: 5001529 (1991-03-01), Ohshima et al.
patent: 5034845 (1991-07-01), Murakami
patent: 5158899 (1992-10-01), Yamagata
T. V. Hulett, 'EOS/ESD Symposium, 1981, pp. 90-96, "On Chip Protection of High Density NMOS Devices".

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