Title :
A CMOS mixed signal simultaneous bidirectional signaling I/O
Author :
Jackson, Scott A. ; Blalock, Benjamin J.
Author_Institution :
Microsyst. Prototyping Lab., Mississippi State Univ., MS, USA
Abstract :
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 μm 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
Keywords :
CMOS integrated circuits; current-mode circuits; integrated circuit design; mixed analogue-digital integrated circuits; signalling; 2 micron; CMOS; I/O pin count; I/O power dissipation; achievable bandwidth; analog transmitter; data rate; mixed signal IC; receiver amplifier; simultaneous bidirectional signaling I/O; Bandwidth; Crosstalk; Differential amplifiers; Low voltage; Power dissipation; Power supplies; Power transmission lines; Prototypes; Transceivers; Transmitters;
Conference_Titel :
Circuits and Systems, 1998. Proceedings. 1998 Midwest Symposium on
Conference_Location :
Notre Dame, IN
Print_ISBN :
0-8186-8914-5
DOI :
10.1109/MWSCAS.1998.759430
