The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2008
Filed:
Aug. 23, 2006
Frank J. Destasi, San Leandro, CA (US);
Frank J. DeStasi, San Leandro, CA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
A trim circuit that is operable to adjust (trim) a digital or analog output of another electronic circuit, e.g., a regulator, comparator, signal processor, and the like. The novel trim circuit includes two fuses that can be separately 'blown' or severed in such a way as to provide a relatively fixed 'high' or “low” output signal that can be employed to adjust/trim the digital or analog output of another electronic circuit. A first fuse is coupled to a high potential of the trim circuit and the second fuse is coupled to a low potential of the trim circuit. If the second fuse is blown/cut, the trim circuit provides a relatively fixed high output signal. Conversely, if the first fuse is blown/cut, the trim circuit provides a relatively fixed low output signal. The fuses typically operate as relatively low impedance current shunts until they are severed/cut.