A scalable 5-15 Gbps, 14-75 mW low-power I/O (transceiver in 65 nm CMOS

被引:98
作者
Balamurugan, Ganesh [1 ]
Kennedy, Joseph [1 ]
Banerjee, Gaurab [1 ]
Jaussi, James E. [1 ]
Mansuri, Mozhgan [1 ]
O'Mahony, Frank [1 ]
Casper, Bryan [1 ]
Mooney, Randy [1 ]
机构
[1] Intel Corp, Microprocessor Technol Labs, Hillsboro, OR 97124 USA
关键词
electrical signaling; high-speed I/O; I/O power optimization; inductive termination; low-power equalization; low-power I/O; passive clock distribution; power-efficient links; scalable circuits;
D O I
10.1109/JSSC.2008.917522
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
We present a scalable low-power I/O transceiver in 65 nm CMOS, capable of 5-15 Gbps operation over single-board and backplane FR4 channels with power efficiencies between 2.8-6.5 mW/Gbps. Nonlinear power-performance tradeoff is achieved by the use of scalable transceiver circuit blocks and joint optimization of the supply voltage, bias currents and driver power with data rate. Low-power operation is enabled by passive equalization through inductive link termination, active continuous-time RX equalization, global TX/RX clock distribution with on-die transmission lines, and low-noise offset-calibrated receivers.
引用
收藏
页码:1010 / 1019
页数:10
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