A 6-Gb/s Differential Voltage Mode Driver with Independent Control of Output Impedance and Pre-Emphasis Level

被引:2
作者
Bae, Chang-Hyun [1 ,2 ]
Choi, Dong-Ho [1 ]
Ahn, Keun-Seon [1 ]
Yoo, Changsik [1 ]
机构
[1] Hanyang Univ, Integrated Circuits Lab, Seoul 133791, South Korea
[2] Samsung Elect, DRAM Design Dept, Hwasung, South Korea
关键词
Voltage-Mode driver; impedance calibration; pre-emphasis; CMOS; EQUALIZATION; TRANSMITTER; CMOS;
D O I
10.5573/JSTS.2013.13.5.423
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
A 6-Gb/s differential voltage mode driver is presented whose output impedance and pre-emphasis level can be controlled independently. The voltage mode driver consists of five binary-weighted slices each of which has four sub-drivers. The output impedance is controlled by the number of enabled slices while the pre-emphasis level is determined by how many sub-drivers in the enabled slices are driven by post-cursor input. A prototype transmitter with a voltage-mode driver implemented in a 65-nm CMOS logic process consumes 34.8-mW from a 1.2-V power supply and its pre-emphasized output signal shows 165-mVpp,diff and 0.56-UI eye opening at the end of a cable with 10-dB loss at 3-GHz.
引用
收藏
页码:423 / 429
页数:7
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