A 960-Mb/s/pin interface for skew-tolerant bus using low jitter PLL

被引:94
作者
Kim, S [1 ]
Lee, K [1 ]
Moon, Y [1 ]
Jeong, DK [1 ]
Choi, YH [1 ]
Lim, HK [1 ]
机构
[1] SAMSUNG ELECT CO,YONGIN,KYUNGKI DO,SOUTH KOREA
关键词
skew-tolerant; high speed bus; oversampling; phase locked loop; jitter; CMOS; phase frequency detector; voltage controlled oscillator;
D O I
10.1109/4.568836
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes an I/O scheme for use in a highspeed bus which eliminates setup and hold time requirements between clock and data by using an oversampling method, The I/O circuit uses a low jitter phase-locked loop (PLL) which suppresses the effect of supply noise, Measured results show peak-to-peak jitter of 150 ps and rms jitter of 15.7 ps on the clock line, Two experimental chips with 4-pin interface have been fabricated with a 0.6-mu m CMOS technology, which exhibits the bandwidth of 960 Mb/s per pin.
引用
收藏
页码:691 / 700
页数:10
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