Title :
A low-jitter 5000ppm spread spectrum clock generator for multi-channel SATA transceiver in 0.18μm CMOS
Author :
Lee, Hyung-Rok ; Kim, Ook ; Ahn, Gijung ; Jeong, Deog-Kyoon
Author_Institution :
Seoul Nat. Univ., South Korea
Abstract :
A low-jitter 5000ppm spread-spectrum clock generator is implemented in a 0.18μm CMOS process. By using 10 multi-phase clocks and a ΔΣ modulator with periodic input, the chip has a deterministic jitter of 25ps due to spread-spectrum clocking and an amount of spreading of 5000ppm.
Keywords :
CMOS integrated circuits; clocks; delta-sigma modulation; peripheral interfaces; timing jitter; transceivers; ΔΣ modulator; 0.18 micron; CMOS; deterministic jitter; low-jitter clock generator; multi-channel SATA transceiver; multi-phase clocks; periodic input; spread-spectrum clock generator; spread-spectrum clocking; Bandwidth; Clocks; Electromagnetic interference; Feedback; Image storage; Jitter; Phase frequency detector; Phase locked loops; Spread spectrum communication; Transceivers;
Conference_Titel :
Solid-State Circuits Conference, 2005. Digest of Technical Papers. ISSCC. 2005 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8904-2
DOI :
10.1109/ISSCC.2005.1493919
