| 摘要 |
PROBLEM TO BE SOLVED: To provide a comparator and an analog/digital converter with less number of components. SOLUTION: The comparator is provided with a signal voltage input terminal 1, a reference voltage input terminal 2, a switch 3, a switch 4, a capacitor 5, a switch 6, an inverter 7, a tri-state inverter 8, a control input terminal 9, inverters 17, 18, a switch 19, inverters 20, 21 and an output terminal 22.
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