| 摘要 |
An input/output circuit for transmitting/receiving a signal to/from an electronic device. The input/output circuit includes a driver for supplying a signal to the electronic device, a comparator provided parallel to the driver and adapted for receiving a signal from the electronic device, a relay circuit arranged in series to the comparator and the electronic device between the comparator and the electronic device, and a first transmission path for electrically connecting the comparator to the relay circuit. The input/output circuit is characterized in that the relay circuit has an impedance greater than that of the first transmission path.
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