Projection device against electrostatic discharges

Details Projection device against electrostatic discharges Projection device against electrostatic discharges

1999-08-13

2000-11-28

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327318, 327324, H03K 508

Patent

active

06154082&

ABSTRACT:
A device for the protection of an integrated circuit input/output pin against electrostatic discharges includes a first diode between a positive power supply line and an internal connection node for connection to the pin, and a second diode between the internal node and a second negative or zero supply line. The device also includes a protection transistor series-connected between the positive power supply line and the first diode, and a stack of N diodes, where N is equal to one or more, series-connected between the control electrode of the protection transistor and the first diode.

REFERENCES:
patent: 4801824 (1989-01-01), Fellinger et al.
patent: 4858055 (1989-08-01), Okitaka
patent: 4875130 (1989-10-01), Huard
patent: 5525933 (1996-06-01), Matsuki et al.
patent: 5942931 (1999-08-01), Yanai

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