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US 7,403,060 B2Granted
Forward biasing protection circuit
AssigneeMicron Technology, Inc.
InventorDong Pan
Life of this patent
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Abstract
A forward biasing protection circuit is provided. More specifically, there is provided a device comprising a transistor, a resistive element coupled to the body terminal of the transistor, and a clamping element coupled in parallel to the resistive element and configured to limit a voltage between the source terminal and the body terminal of the transistor. A method of manufacturing the forward biasing protection circuit is also provided.
Claims19
A device comprising:
- a transistor comprising a body terminal, a source terminal, and a drain terminal;
- a resistive element coupled to the body terminal;
- and
- a clamping element coupled in parallel to the resistive element and configured to limit a voltage between the source terminal and the body terminal, wherein the clamping element comprises a diode.
1 more element
A device comprising:
- a transistor comprising a body terminal and a source terminal;
- a first node coupled to the body terminal;
- a first resistor, coupled to the first node and configured to limit the voltage between the source terminal and the body terminal to no greater than the product of a current at the first resistor times the resistance of the first resistor;
- a second resistor being coupled to the first node;
- and
- a diode, being coupled to the first resistor and the second resistor, wherein the diode is configured to limit the voltage between the source terminal and the body terminal to the product of the voltage across the diode times the ratio of the resistance of the first resistor to the sum of the resistance of the first resistor and the resistance of the second resistor.
3 more elements
A system comprising:
- a processor;
- and
- a memory device operatively coupled to the processor, the memory device comprising:
- a circuit comprising a transistor having a source terminal, a drain terminal, and a body terminal;
- and
- a forward biasing protection circuit coupled to the transistor and comprising:
- a resistive element coupled to the body terminal;
- and
- a clamping element coupled in parallel to the resistive element and configured to limit a voltage across the body terminal of the transistor, wherein the clamping element comprises a diode.
6 more elements
Dependencies are inferred from the claim text.