Samsung patents chip circuit that self-corrects clock timing errors
This filing describes a semiconductor device with a transmission circuit that sends data using clock signals. It includes a calibration circuit that checks the average level of the data output and adjusts the clock's duty cycle or phase to correct any timing issues.
In the filing’s own words
A semiconductor device includes at least one transmission circuit configured to receive clock signals and transmit a data output signal, and a clock calibration circuit configured to convert the data output signal into a data code corresponding to an average level of the data output signal and generate a control signal. The at least one transmission circuit includes a clock correcting circuit configured to adjust a duty cycle or a phase difference of each of the clock signals in response to the control signal and generate corrected clock signals, and a pattern generating circuit configured to generate data of a pre-designated test pattern for a calibration operation of the clock calibration circuit.
What exactly they claim (claim 1)
1. A semiconductor device comprising: at least one transmission circuit configured to receive clock signals and transmit a data output signal; and a clock calibration circuit configured to convert the data output signal into a data code corresponding to an average level of the data output signal and generate a control signal, wherein the at least one transmission circuit comprises: a clock correcting circuit configured to adjust a duty cycle or a phase difference of each of the clock signals in response to the control signal and generate corrected clock signals; and a pattern generating circuit configured to generate data of a pre-designated test pattern for a calibration operation of the clock calibration circuit.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- SEMICONDUCTOR DEVICE INCLUDING TRANSMISSION CIRCUIT AND OPERATING METHOD OF THE SEMICONDUCTOR DEVICE
- Publication number
- US20260328841A1
- Application number
- 19577320
- Filed
- Mar 24, 2026
- Published
- Oct 22, 2026
- Inventors
- 2
- Claims
- 20
Classified under
G01R 31/31727 Physics & computingG11C 7/222 Physics & computingH03K 5/1565 Electricity & electronicsG11C 2207/2254 Physics & computingMore from Samsung in Chips & hardware
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.