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Yong-Ki Cho

Researcher at Samsung

Publications -  5
Citations -  90

Yong-Ki Cho is an academic researcher from Samsung. The author has contributed to research in topics: Signal & Phase-locked loop. The author has an hindex of 4, co-authored 5 publications receiving 88 citations.

Papers
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Journal ArticleDOI

A 7 Gb/s/pin 1 Gbit GDDR5 SDRAM With 2.5 ns Bank to Bank Active Time and No Bank Group Restriction

TL;DR: To realize the enhanced bank access flexibility, this DRAM employs the following techniques: skewed control logic, PVT variation compensated IO sense amplifier with auto calibration by replica impedance monitor, FIFO based BLSA enable signal generator, low latency VPP generator and active jitter canceller.
Patent

Impedance calibration circuit and semiconductor device including the same

TL;DR: In this paper, an impedance calibration circuit with a variable reference voltage generation unit was proposed to maximize the number of semiconductor devices that can be tested in test equipment at one time and permit the operation of an impedance matching unit (e.g., an on-die termination (ODT) circuit and/or an off-chip-driver) to be tested for a variety of reference resistor values.
Patent

Data receiver circuit and method of adaptively controlling equalization coefficients using the same

TL;DR: In this article, a data receiver circuit includes n sampling receivers, n decision feedback equalizer (DFE) circuits, and a data recovery circuit, which is configured to select one of the n respective pre-recovery signals, and output the selected n pre recovery signal as a recovered input signal.
Patent

Semiconductor memory device and memory system including the same

TL;DR: In this article, a semiconductor memory device includes a digital noise measurement circuit and an output selection circuit, which selects a first operation voltage among a plurality of operation voltages based on a voltage selection signal and outputs the first noise data.