Semiconductor Integrated Circuit and Semiconductor Device
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Apr 13, 2021
filing date -
Apr 13, 2021
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Abstract
In a semiconductor integrated circuit, a first analog circuit block operates by a voltage applied between a first node and a third node. Each of a plurality of first current sources has a first end connected to the third node and a second end connected to the first analog circuit block. The plurality of first current sources function as current sourcing or current sinking for the first analog circuit block. A first switch group is provided between the plurality of first current sources and the first analog circuit block, and in a test mode, individually switches electrical connection of the second end of each of the plurality of first current sources from the first analog circuit block to a second node.
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