专利内容由知识产权出版社提供
专利名称：Circuit and method for trimming integrated
circuits
发明人：You-Yuh Shyr,Sorin Laurentiu Negru申请号：US12014379申请日：20080115公开号：US07436222B2公开日：20081014
专利附图：
摘要：A programmable after-package, on-chip reference voltage trim circuit for anintegrated circuit having a plurality of programmable trim cells generating a
programmed sequence. A converter is provided to convert the bit sequence into a trim
current. The trim current is added to an initial value of a reference voltage to be trimmed,as generated by the integrated circuit. Once the correct value of the trim current isdetermined, isolation circuitry is programmed to isolate the trim circuitry from theremainder of the IC, thereby freeing the logic and package pins associated with the IC foruse by users of the IC. The preferred trim circuitry includes fuses which are blown inaccordance with a bit value supplied to the trim cell to permanently fix a trim currentvalue, once a best fit value is determined.
申请人：You-Yuh Shyr,Sorin Laurentiu Negru
地址：San Jose CA US,San Jose CA US
国籍：US,US
代理机构：Grossman, Tucker, Perreault & Pfleger, PLLC
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