Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Young Jung Choi"'
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 61:646-650
A 13.5-mW 10-Gb/s four-level pulse-amplitude modulation (4-PAM) serial link transmitter is presented. To improve the power efficiency, a voltage-mode 4-PAM driver is proposed. It consists of voltage-scaled pull-up and pull-down networks, instead of c
Autor:
Byong-Tae Chung, Dae-Han Kwon, Jong-Ho Kang, Jabeom Koo, Chulwoo Kim, Kunwoo Park, Soo-Bin Lim, Young-Jung Choi, Junyoung Song, Hyun-Woo Lee, Yunsaing Kim
Publikováno v:
ISSCC
Among the stacked dies using through silicon via (TSV), data conflictions occur due to process mismatches, which decrease the data valid window and consume unwanted power due to the short circuit current. This paper presents the DLL-based data self-a
Autor:
Kwang-Hyun Kim, Jae-il Kim, Jin-Hee Cho, Jong-Ho Jung, Kyung-hoon Kim, Junhyun Chun, Hyun-woo Lee, Chulwoo Kim, Jong-sam Kim, Eun Young Park, Beom-Ju Shin, Young-Jung Choi, Namgyu Rye, Jae Hwan Kim, Kyung-Whan Kim, Hoon Choi, Byong-Tae Chung, Jong-Hwan Kim, Yunsaing Kim
Publikováno v:
IEEE Journal of Solid-State Circuits. 47:1436-1447
The digital delay-locked loop (DLL) with racing mode and the countered column address strobe (CAS) latency controller are proposed in this paper. The dual-DLL architecture with racing operation is adopted to achieve low power consumption, low jitter,
Autor:
Young-Kyoung Choi, Young-Jung Choi, Nak-Kyu Park, Ju-Hwan Shon, Chulwoo Kim, Ki-Han Kim, Byong-Tae Chung, Hyun-woo Lee, Kwan-Weon Kim
Publikováno v:
ISSCC
A 512 Mbit consumer DDR2 SDRAM that uses self-dynamic voltage scaling (SDVS) and adaptive design techniques is introduced in this paper. With the increase in the significance of process variation, higher performance requirements reduce the allowable
Publikováno v:
IEICE Electronics Express. 6:205-210
Coverage expandable current type code controlled DCC is presented, which has TDC-based range selector. The TDC-based range selector is composed of the TDC, the anti-harmonic lock block and the encoder/decoder. The code controlled current source has a
Autor:
Yongsuk Joo, Byoung-jin Choi, Patrik B. Moran, Woo-Young Lee, Young-Jung Choi, Jin-Hong Ahn, Se-Jun Kim, Jae-Hoon Cha, Ki-won Lee, Ki-Chon Park, Ho-Don Jung, Joong-Sik Ki, Joo-Hwan Cho, Geun-il Lee, Kwang-Jin Na
Publikováno v:
IEEE Journal of Solid-State Circuits. 42:2369-2377
Three circuit techniques for a 1.5 V, 512 Mb graphic DDR4 (GDDR4) SDRAM using a 90-nm DRAM process have been developed. First, a dual-clock system increases clocking accuracy and expands internal timing margins for harmonious core operation regardles
Autor:
Jae Hyun Kim, Sungeun Kim, Young Jung Choi, Seun Ja Park, Moo In Park, Ki Hwan Ku, Won Moon, Gyu Won Lee
Publikováno v:
The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology. 25(6)
Background/aims Endoscopic ultrasonography (EUS) is helpful for evaluating the depth of tumor invasion and lymph node metastasis of rectal neuroendocrine tumors (NETs). The aim of this study was to clarify the clinical impact of EUS for rectal NETs l
Autor:
Sewook Hwang, Yunsaing Kim, Chulwoo Kim, Young-Jung Choi, Junyoung Song, Soo-Bin Lim, Hyun-woo Lee, Byong-Tae Chung
Publikováno v:
ISSCC
DRAM speed already reaches 7Gb/s/pin for GDDR interface [1,4]. As the bit rate increases, jitter of PLL, data-sampling margin, crosstalk and intersymbol interference (ISI) needs considerable management [1,3,5]. Moreover, as the supply voltage decreas
Autor:
Chulwoo Kim, Jabeom Koo, Young Jung Choi, Kunwoo Park, Byong Tae Chung, Hyun-Woo Lee, Yunsaing Kim, Soo Bin Lim, Jong Ho Kang, Dae Han Kwon, Junyoung Song
Publikováno v:
2012 IEEE International Solid-State Circuits Conference.
A 1.6V 1.4Gb/s/pin consumer DRAM with self-dynamic voltage-scaling technique in 44nm CMOS technology
Autor:
Hyun-Woo Lee, Ki-Han Kim, Young-Kyoung Choi, Ju-Hwan Shon, Nak-Kyu Park, Kwan-Weon Kim, Chulwoo Kim, Young-Jung Choi, Byong-Tae Chung
Publikováno v:
2011 IEEE International Solid-State Circuits Conference.