Trimming circuit and semiconductor device
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United States of America Patent
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Apr 29, 2014
Issued Date -
N/A
app pub date -
May 18, 2012
filing date -
May 24, 2011
priority date (Note) -
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Abstract
Provided are a trimming circuit which does not need a dedicated terminal to which a current for cutting a fuse is input, and also a semiconductor device including the trimming circuit. The trimming circuit includes: an input terminal connected to a pad which is an external terminal of an internal circuit; a fuse provided between a power supply terminal and an output terminal; and a diode provided between the input terminal and the output terminal. The trimming circuit performs trimming by applying, to the pad, such a voltage that the diode is biased in the forward direction.
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