Semiconductor device having voltage output function trim...

Details Semiconductor device having voltage output function trim... Semiconductor device having voltage output function trim...

2007-07-10

2007-07-10

Lebentritt, Michael (Department: 2812)

Semiconductor device manufacturing: process

Making device array and selectively interconnecting

Using structure alterable to nonconductive state

C257SE23149

Reexamination Certificate

active

11071691

ABSTRACT:
In accordance with the teachings of the present invention, a semiconductor device having voltage output function trim circuitry and a method for the same are provided. In a particular embodiment, the method includes electrically coupling to a main circuit of a semiconductor device a plurality of resistances each operable to determine a different output voltage range of the main circuit, electrically coupling each of the plurality of resistances to a respective one of a plurality of fuses, electrically coupling each of a plurality of fuses to a respective one of a plurality of function trim pads, and electrically decoupling all but one of the plurality of resistances by applying a respective current between the respective function trim pads and an output node sufficient to open the respective fuses.

REFERENCES:
patent: 6449170 (2002-09-01), Nguyen et al.
patent: 2002/0037606 (2002-03-01), Pricer et al.
patent: 2003/0045026 (2003-03-01), Fogal et al.
patent: 2004/0018711 (2004-01-01), Madurawe
patent: 2005/0181546 (2005-08-01), Madurawe
patent: 2005/0214982 (2005-09-01), Wu

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