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This paper described a 1:4 demultiplexer in a standard 0.25 micrometers CMOS. A tree-type structure is used to reduce the clock frequency and the SCL (Source Couple Logic) is used to construct high speed DFF. The chip occupies 1mm2 area. It consumes 683mW from a 3.3 V supply. The operating bit rates is higher than 10Gb/s.
Lei Tian,Zhigong Wang,Haitao Chen,Tingting Xie,Jianhua Lu,Rui Tao,Yi Dong, andShizhong Xie
"10-Gb/s 1:4 demultiplexer in 0.25-μm CMOS", Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444544
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