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1.发明申请公开(公告)号：US20200159278A1
公开(公告)日：2020-05-21
申请号：US16194784
申请日：2018-11-19
Applicant: Texas Instruments Incorporated
Inventor： Angelo William Pereira , Pinar Korkmaz , Sujan Kundapur Manohar
Abstract: Integrated circuits having self-calibrating oscillators, and methods of operating the same are disclosed. A disclosed example integrated circuit includes a clock generator, a comparator having a first input connected to an output of the clock generator and a second input connected to a reference voltage, a calibration done detector having an input connected to an output of the comparator and an output communicatively coupled to a calibration code register.
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公开(公告)号：US10581416B2
公开(公告)日：2020-03-03
申请号：US16361154
申请日：2019-03-21
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Junhong Zhang , Angelo Pereira , Pinar Korkmaz , Sujan Manohar , Michael Munroe
Abstract: Aspects of the present disclosure provide for a method. In some examples, the method includes receiving a synchronization signal, dividing the synchronization signal to form a first divided signal and a second divided signal, generating a first ramp signal and a second ramp signal, setting a latch output to a logical high value when the first divided signal has a logical high value or a value of the first ramp signal exceeds a value of a reference signal, setting the latch output to a logical low value when the second divided signal has a logical high value or a value of the second ramp signal exceeds the value of the reference signal, generating a synchronization clock according to the latch output and an inverse of the latch output, and outputting the latch output or the synchronization clock as a clock signal based on a value of a synchronization active signal.
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公开(公告)号：US11799422B2
公开(公告)日：2023-10-24
申请号：US17681945
申请日：2022-02-28
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Muawiya Ali Al-Khalidi , Angelo William Pereira , Pinar Korkmaz , Paul David Curtis
CPC classification number: H03B5/04 , H03K3/0315 , H03K5/24
Abstract: An oscillator circuit includes a comparator having first and second inputs, the first input configured to be coupled to a reference voltage. The oscillator circuit also includes a capacitor and a first current source. The capacitor is coupled between the second input and ground. The first current source is coupled between a supply voltage terminal and the capacitor. The first current source is configured to generate a current to the capacitor that is proportional to absolute temperature.
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4.发明授权公开(公告)号：US10782727B2
公开(公告)日：2020-09-22
申请号：US16194784
申请日：2018-11-19
Applicant: Texas Instruments Incorporated
Inventor： Angelo William Pereira , Pinar Korkmaz , Sujan Kundapur Manohar
Abstract: Integrated circuits having self-calibrating oscillators, and methods of operating the same are disclosed. A disclosed example integrated circuit includes a clock generator, a comparator having a first input connected to an output of the clock generator and a second input connected to a reference voltage, a calibration done detector having an input connected to an output of the comparator and an output communicatively coupled to a calibration code register.
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