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US 2013/0075798 A1Published application
Semiconductor device
AssigneeKabushiki Kaisha Toshiba
InventorKazuhiro KATO
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Abstract
A semiconductor device comprises: a MOS transistor connected between a power supply terminal and a ground terminal; a first diode connected between a drain and a gate of the MOS transistor; a second diode connected between the drain and the gate of the MOS transistor, in series with the first diode, and having a forward direction which is opposite to that of the first diode; and a capacitor connected between the drain and the gate of the MOS transistor, in series with the first diode and the second diode.
Claims20
A semiconductor device, comprising:
- a MOS transistor connected between a power supply terminal and a ground terminal;
- a first diode connected between a drain and a gate of the MOS transistor;
- a second diode connected between the drain and the gate of the MOS transistor, in series with the first diode, and having a forward direction which is opposite to that of the first diode;
- and
- a capacitor connected between the drain and the gate of the MOS transistor, in series with the first diode and the second diode.
2 more elements
A semiconductor device, comprising:
- an internal circuit;
- and
- a protection circuit configured to protect the internal circuit,
- the protection circuit comprising:
- a MOS transistor connected between a power supply terminal and a ground terminal;
- a first diode connected between a drain and a gate of the MOS transistor;
- a second diode connected between the drain and the gate of the MOS transistor, in series with the first diode, and having a forward direction which is opposite to that of the first diode;
- and
- a capacitor connected between the drain and the gate of the MOS transistor, in series with the first diode and the second diode.
6 more elements
A semiconductor device, comprising:
- an internal circuit;
- and
- a protection circuit configured to protect the internal circuit,
- the protection circuit comprising:
- a MOS transistor connected between a power supply terminal and a ground terminal;
- and
- a series circuit of a plurality of diodes and a capacitor connected between a drain and a gate of the MOS transistor.
4 more elements
Dependencies are inferred from the claim text.