Samsung Electronics Co., Ltd.

Joomyoung Kim

Jaehong Jung

Seungjin Kim

Jaehoon Lee

Seunghyun Oh

Taeik Kim

Wooseok Kim

Insung Kim

Yelim Youn

Gihyeok Ha

Jinhyeon Lee

An electronic device including: a regulator circuit configured to output a regulated voltage based on a reference voltage and a feedback voltage; and an oscillator configured to generate an output frequency signal based on a reference frequency signal and the regulated voltage output from the regulator circuit, wherein the regulator circuit includes: a feedback loop configured to output the regulated voltage based on a difference between the reference voltage and the feedback voltage; a first capacitor; a precharge circuit connected to the feedback loop, and configured to charge the first capacitor with a second voltage which is based on a first voltage; a first switch configured to connect the precharge circuit with the first capacitor; and a second switch configured to connect the first capacitor with the feedback loop.

Regulator circuit, an electronic device including the regulator circuit, and a processor including the regulator circuit

A clock integrated circuit is provided. The clock integrated circuit includes: a first clock generator which includes a crystal oscillator configured to generate a first clock signal; and a second clock generator which includes a resistance-capacitance (RC) oscillator and a first frequency divider, and is configured to: generate a second clock signal using the first frequency divider based on a clock signal output from the RC oscillator; perform a first calibration operation for adjusting a frequency division ratio of the first frequency divider to a first frequency division ratio based on the first clock signal; and perform a second calibration operation for adjusting the first frequency division ratio to a second frequency division ratio based on a sensed temperature.

Clock integrated circuit including heterogeneous oscillators and apparatus including the clock integrated circuit

Growing community of inventors

Hwaseong-si, South Korea

Joomyoung Kim