SINGLE-SUPPLY, SINGLE-ENDED LEVEL CONVERSION CIRCUIT FOR AN INTEGRATED CIRCUIT HAVING MULTIPLE POWER SUPPLY DOMAINS
First Claim
1. A circuit comprising:
- a first transistor having a first current electrode, a control electrode for receiving an input signal, and a second current electrode;
a second transistor having a first current electrode coupled to the second current electrode of the first transistor for providing an output signal, a control electrode coupled to the control electrode of the first transistor for receiving the input signal, and a second current electrode coupled to a first power supply voltage terminal;
an inverter having an input coupled to the second current electrode of the first transistor, and an output; and
a leakage reduction circuit comprising;
a third transistor having a first current electrode coupled to a second power supply voltage terminal, a control electrode coupled to the output of the inverter, and a second current electrode coupled to the first current electrode of the first transistor; and
a fourth transistor having a first current electrode coupled to the control electrode of the third transistor, a control electrode coupled to the control electrodes of the first and second transistors, and a second current electrode coupled to the control electrode of the first transistor.
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Accused Products
Abstract
A circuit comprises first, second, third, and fourth transistors. The first transistor has a first current electrode, a control electrode for receiving an input signal, and a second current electrode. The second transistor has a first current electrode coupled to the second current electrode of the first transistor for providing an output signal, a control electrode coupled to the control electrode of the first transistor, and a second current electrode coupled to a first power supply voltage terminal. The third transistor has a first current electrode coupled to a second power supply voltage terminal, a control electrode, and a second current electrode coupled to the first current electrode of the first transistor. The fourth transistor has a first current electrode coupled to the control electrode of the third transistor, a control electrode coupled to the control electrodes of the first and second transistors, and a second current electrode coupled to the control electrode of the first transistor.
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Citations
20 Claims
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1. A circuit comprising:
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a first transistor having a first current electrode, a control electrode for receiving an input signal, and a second current electrode; a second transistor having a first current electrode coupled to the second current electrode of the first transistor for providing an output signal, a control electrode coupled to the control electrode of the first transistor for receiving the input signal, and a second current electrode coupled to a first power supply voltage terminal; an inverter having an input coupled to the second current electrode of the first transistor, and an output; and a leakage reduction circuit comprising; a third transistor having a first current electrode coupled to a second power supply voltage terminal, a control electrode coupled to the output of the inverter, and a second current electrode coupled to the first current electrode of the first transistor; and a fourth transistor having a first current electrode coupled to the control electrode of the third transistor, a control electrode coupled to the control electrodes of the first and second transistors, and a second current electrode coupled to the control electrode of the first transistor. - View Dependent Claims (3, 5, 6, 7, 8, 9, 10, 11)
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2. (canceled)
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4. (canceled)
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12. A circuit comprising:
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a first transistor having a first current electrode, a control electrode for receiving an input signal, and a second current electrode; a second transistor having a first current electrode coupled to the second current electrode of the first transistor for providing an output signal, a control electrode coupled to the control electrode of the first transistor for receiving the input signal, and a second current electrode coupled to a first power supply voltage terminal; and a leakage reduction circuit comprising; a third transistor having a first current electrode coupled to a second power supply voltage terminal, a control electrode, and a second current electrode coupled to the first current electrode of the first transistor; a fourth transistor having a first current electrode coupled to the control electrode of the third transistor, a control electrode coupled to the control electrodes of the first and second transistors, and a second current electrode coupled to the control electrode of the first transistor; and a fifth transistor having a first current electrode coupled to the second power supply voltage terminal, a control electrode connected to the control electrode of the first, second, and fourth transistors, and a second current electrode coupled to the first current electrode of the fourth transistor. - View Dependent Claims (13, 15, 16, 17)
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14. (canceled)
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18. A circuit comprising:
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a first transistor having a first current electrode, a control electrode for receiving an input signal, and a second current electrode, wherein the input signal originates from a portion of an integrated circuit powered by a first power supply voltage; a second transistor having a first current electrode coupled to the second current electrode of the first transistor for providing an output signal, a control electrode coupled to the control electrode of the first transistor for receiving the input signal, and a second current electrode coupled to a ground terminal; and a leakage reduction circuit comprising; a third transistor having a first current electrode coupled to a second power supply voltage terminal, a control electrode, and a second current electrode coupled to the first current electrode of the first transistor, wherein the second power supply voltage terminal is for receiving a second power supply voltage different from the first power supply voltage; a fourth transistor having a first current electrode coupled to the control electrode of the third transistor, a control electrode coupled to the control electrodes of the first and second transistors, and a second current electrode coupled to the control electrode of the first transistor; and a fifth transistor having a first current electrode coupled to the second power supply voltage terminal, a control electrode connected to the control electrode of the first, second, and fourth transistors, and a second current electrode coupled to the first current electrode of the fourth transistor. - View Dependent Claims (19)
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20. (canceled)
Specification