摘要 |
To protect a system efficiently from static electricity and electrostatic discharge (ESD) and thereby prevent the system from becoming defective, a system formed on a first conductivity-type semiconductor substrate includes a pad for receiving a signal, a protection element connected to the pad, and a discharge line connected to the protection element. The protection element includes a single bipolar transistor portion and at least one diode portion located adjacent to the bipolar transistor portion.
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