Voltage sensitive delay
AssigneeInternational Business Machines Corporation
InventorsMichael Sperling, Akil Khamisi Sutton, Pawel Owczarczyk, Erik English
Life of this patent
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Abstract
Aspects of the invention include a circuit including a power circuit having an amplifier, a resistor, a current source, and a first node, one end of the resistor being configured to couple to a power supply, the first node being coupled to an opposite end of the resistor, a first input terminal of the amplifier, and the current source. A voltage sensitive circuit includes a logic gate coupled to both a second input terminal of the amplifier and an output terminal of the amplifier at a second node.
Claims20
A circuit comprising:
- a power circuit consisting of an amplifier, a resistor, a single voltage sensitive current source coupled directly to ground, and a first node, one end of the resistor being configured to couple to a power supply, the first node consisting of only three connections in which a first connection is to an opposite end of the resistor, a second connection is to a first input terminal of the amplifier, and a third connection is a single line to only one terminal of the voltage sensitive current source;
- and
- a voltage sensitive circuit comprising a logic gate coupled to both a second input terminal of the amplifier and an output terminal of the amplifier at a second node, the voltage sensitive current source having been set to be sensitive to voltage changes in the power supply, thereby causing a sensitivity of the voltage sensitive circuit to directly follow the voltage changes in the power supply changes.
A method of forming a circuit, the method comprising:
- forming a power circuit consisting of an amplifier, a resistor, a single voltage sensitive current source coupled directly to ground, and a first node, one end of the resistor being configured to couple to a power supply, the first node consisting of only three connection in which a first connection is to an opposite end of the resistor, a second connection is to a first input terminal of the amplifier, and a third connection is a single line to only one terminal of the voltage sensitive current source;
- and
- coupling a voltage sensitive circuit comprising a logic gate to both a second input terminal of the amplifier and an output terminal of the amplifier at a second node, the voltage sensitive current source having been set to be sensitive to voltage changes in the power supply, thereby causing a sensitivity of the voltage sensitive circuit to directly follow the voltage changes in the power supply changes.
A method of forming a circuit, the method comprising:
- forming a power circuit consisting of an amplifier, a resistor, a single voltage sensitive current source coupled directly to ground, and a first node, one end of the resistor being coupled to a first voltage, the first node consisting of only three connections in which a first connection is to an opposite end of the resistor, a second connection is to a first input terminal of the amplifier, and a third connection is a single line to only one terminal of the voltage sensitive current source, wherein the first node comprises a second voltage;
- and
- coupling a voltage sensitive circuit comprising a logic gate to both a second input terminal of the amplifier and an output terminal at a second node, the voltage sensitive current source having been set to be sensitive to voltage changes in the power supply, thereby causing a sensitivity of the voltage sensitive circuit to directly follow the voltage changes in the power supply changes.
Dependencies are inferred from the claim text.