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A 150 mW 8:1 MUX and a 170 mW 1:8 DEMUX for 2.4 gb/s optical-fiber communication systems using n-AlGaAs/i-InGaAs HJFET's

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7 Author(s)
Fujii, M. ; Opto-Electron. Res. Labs., NEC Corp., Ibaraki, Japan ; Keiichi Numata ; Tadashi Maeda ; Tokushima, M.
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An 8:1 multiplexer (MUX) and a 1:8 demultiplexer (DEMUX) for 2.4-Gb/s optical communication systems have been developed using 0.35-/spl mu/m GaAs heterojunction field-effect transistors (FETs). To ensure timing margins, a new timing generator with latches and new clock buffers with cross-coupled inverters have been developed. These large-scale integrations (LSIs) operate at over 2.4 Gb/s with a power consumption of 150 mW (MUX) and 170 mW (DEMUX) at a supply voltage of 0.7 V, and at over 5 Gb/s with power consumption of 200 mW at a supply voltage of 0.8 V.

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Very Large Scale Integration (VLSI) Systems, IEEE Transactions on  (Volume:6 ,  Issue: 1 )