A Reflection and Crosstalk Canceling Continuous-Time Linear Equalizer for High-Speed DDR SDRAM
- Resource Type
- Conference
- Authors
- Hong, Seunghwan; Bae, Chang-Hyun; Sung, Yoo-Chang; Kim, Jaewoong; Yoon, Junsub; Kim, Sangwoo; Baek, Jinhyeok; Cho, Cheongryong; Shin, Useung; Kim, Sang-Kyeom; Jung, Hwan-Chul; Chang, Ho-Jun; Kim, Jang-Hoo; Hwang, Jeongsik; Kim, Hyunki; Lee, Ki-Won; Kim, Dongmin; Jeong, Han-Ki; Kim, Myung-O; Sohn, Kyomin; Ihm, Jeong-Don; Yoo, Changsik; Hwang, Sang Joon
- Source
- 2021 Symposium on VLSI Circuits VLSI Circuits, 2021 Symposium on. :1-2 Jun, 2021
- Subject
- Components, Circuits, Devices and Systems
Computing and Processing
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Power, Energy and Industry Applications
Signal Processing and Analysis
Limiting
Equalizers
Crosstalk
Very large scale integration
Information filters
Reflection
SDRAM
- Language
- ISSN
- 2158-5636
This paper presents a reflection and crosstalk canceling continuous-time linear equalizer (CTLE) for high-speed DDR SDRAM interface. To enhance the voltage margin in noisy multi-drop DDR SDRAM channel, the proposed CTLE cancels reflection noise by common-mode compensation and compensates crosstalk by limiting RC filter charging to overcome inversion of common-mode information. The reflection and crosstalk canceling CTLE is implemented in a DRAM process and improves the average voltage margin of 16GB RDIMM at 3.2Gbps with 28.3mV.