0.18-μm CMOS 10-Gb/s multiplexer/demultiplexer ICs using currentmode logic with tolerance to threshold voltage fluctuation
Tanabe, A.
Umetani, M.
Fujiwara, I.
Ogura, T.
Kataoka, K.
Okihara, M.
Sakuraba, H.
Endoh, T.
Masuoka, F.
Silicon Syst. Res. Labs., NEC Corp., Kanagawa;
This paper appears in: Solid-State Circuits, IEEE Journal of
Publication Date: Jun 2001
Volume: 36,
Issue: 6
On page(s): 988-996
ISSN: 0018-9200
References Cited: 19
CODEN: IJSCBC
INSPEC Accession Number: 6946847
Digital Object Identifier: 10.1109/4.924861
Current Version Published: 2002-08-07
Abstract
A feedback MOS current mode logic (MCML) is proposed for the
high-speed operation of CMOS transistors. This logic is more tolerant to
the threshold voltage fluctuation than the conventional MCML and is
suitable for gigahertz operation of deep-submicron CMOS transistors.
Using this logic, 8:1 multiplexer (MUX) and 1:8 demultiplexer (DEMUX)
ICs for optical-fiber-link systems have been fabricated with 0.18-μm
CMOS transistors. The ICs are faster than conventional CMOS MUX and
DEMUX ICs and their power consumption is less than 1/4 of that of the
conventional 10-Gb/s MUX and DEMUX ICs made using Si bipolar or GaAs
transistors
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