A CMOS mixed signal simultaneous bidirectional signaling I/O

Limited pin counts and achievable bandwidth have become a major limitation to achievable I/O speed of integrated circuits. Previously published current-mode techniques enable I/O circuits to achieve simultaneous bidirectional signaling. This maximizes data rate with minimal I/O power dissipation and...

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Bibliographic Details
Published in:Circuits and Systems; Proceedings: Midwest Symposium on Circuits and Systems pp. 37 - 40
Main Authors: Jackson, S.A., Blalock, B.J.
Format: Conference Proceeding
Language:English
Published: IEEE 1998
Subjects:
Bandwidth
Crosstalk
Differential amplifiers
Low voltage
Power dissipation
Power supplies
Power transmission lines
Prototypes
Transceivers
Transmitters
ISBN:9780818689147, 0818689145
Online Access:Get full text
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Summary:Limited pin counts and achievable bandwidth have become a major limitation to achievable I/O speed of integrated circuits. Previously published current-mode techniques enable I/O circuits to achieve simultaneous bidirectional signaling. This maximizes data rate with minimal I/O power dissipation and minimal I/O pin count. A new I/O circuit fabricated in 2 /spl mu/m CMOS is described in this work which is capable of handling both analog and digital data signals in a simultaneous bidirectional manner. Mixed-signal operation is achieved by using an analog transmitter to steer current in and out of a transmission line with a receiver amplifier recovering the receive signal.
ISBN:9780818689147
0818689145
DOI:10.1109/MWSCAS.1998.759430