ANALOG-DIGITAL CONVERTING CIRCUIT INCLUDING COMPARATOR, AND IMAGE SENSOR INCLUDING THE ANALOG-DIGITAL CONVERTING CIRCUIT
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United States of America Patent
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Issued Date -
Feb 8, 2024
app pub date -
Jul 18, 2023
filing date -
Aug 5, 2022
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Abstract
Provided are analog-digital converting circuits including a comparator, and an image sensor. The analog-digital converting circuit include a counter and a comparator, the comparator including a first P-type transistor including a gate connected to a first input node of the comparator, a second P-type transistor including a gate connected to a second input node of the comparator, a first N-type transistor including a gate connected to the first input node and a drain connected to the first P-type transistor, a second N-type transistor including a gate connected to the second input node and a drain connected to the second P-type transistor, and a transistor including a gate connected to the drain of the first N-type transistor and a source to which ground voltage or power supply voltage is applied.
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