Systems and methods for adjusting threshold voltage
First Claim
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1. A method comprising:
- measuring a threshold voltage of a transistor of an integrated circuit;
determining a bias voltage that if applied to a body well of said transistor reduces a magnitude of a difference between said threshold voltage and a desired threshold voltage for said transistor; and
encoding said bias voltage into non-volatile storage on said integrated circuit.
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Abstract
Systems and methods for adjusting threshold voltage. A threshold voltage of a transistor of an integrated circuit is measured. A bias voltage, which when applied to a body well of the transistor corrects a difference between the threshold voltage and a desired threshold voltage for the transistor, is determined. The bias voltage is encoded into non-volatile storage on the integrated circuit. The non-volatile storage can be digital and/or analog.
165 Citations
20 Claims
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1. A method comprising:
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measuring a threshold voltage of a transistor of an integrated circuit; determining a bias voltage that if applied to a body well of said transistor reduces a magnitude of a difference between said threshold voltage and a desired threshold voltage for said transistor; and encoding said bias voltage into non-volatile storage on said integrated circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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measuring a threshold voltage of a transistor of an integrated circuit; determining a bias voltage that if applied to a body well of said transistor reduces a magnitude of a difference between said threshold voltage and a desired threshold voltage for said transistor; encoding a representation of said bias voltage into non-volatile storage on said integrated circuit; after said encoding, accessing said non-volatile storage to retrieve said representation; generating said bias voltage according to said representation; and applying said bias voltage to said a body well. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. An article of manufacture including a computer readable medium having instructions stored thereon that, if executed by a computing device, cause the computing device to perform operations comprising:
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measuring a threshold voltage of a transistor of an integrated circuit; determining a bias voltage that if applied to a body well of said transistor reduces a magnitude of a difference between said threshold voltage and a desired threshold voltage for said transistor; and encoding said bias voltage into non-volatile storage on said integrated circuit.
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Specification