Low resistance input protection circuit

Details Low resistance input protection circuit Low resistance input protection circuit

1999-03-01

2000-10-24

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327309, H03K 508

Patent

active

061373389

ABSTRACT:
An input circuit is designed with an external terminal (104). A first input transistor (108) has a control gate coupled to the external terminal by a low resistance path (104). The first input transistor has a current path coupled to an output terminal (120). A first series transistor (110) has a control gate and a current path. The current path of the first series transistor is connected in series with the current path of the first input transistor. A primary clamp (102) is coupled to the external terminal.

REFERENCES:
patent: 4935649 (1990-06-01), Bloker
patent: 5333093 (1994-07-01), Krautschneider et al.
patent: 5528190 (1996-06-01), Honnigford
patent: 5760630 (1998-06-01), Okamoto

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