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A High-Speed Feed-Forward BiNMOS Driver for Low-Voltage LSls

Takakuni DOUSEKI, Shin'ichiro MUTOH

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Summary :

A feed-forward (FF) BiNMOS driver that combines a multi-stage CMOS inverter and a bipolar emitter-follower transistor is proposed as a low-voltage BiCMOS driver. High-speed and low-voltage operation is made possible by a multi-stage inverter and feed-forward control from the pre-stage inverters to the bipolar emitter-follower. Two key factors determining the driver delay time, output load capacitance and wiring resistance, are described and analyzed in detail. Experiments with a gate-chains test chip fabricated with 0.5-µm BiCMOS technology confirm the low-voltage operation of the FF-BiNMOS driver. Applications of the new driver to a BiCMOS SRAM are also described.

Publication
IEICE TRANSACTIONS on Electronics Vol.E76-C No.5 pp.687-694
Publication Date
1993/05/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Low-Power and Low-Voltage Integrated Circuits)
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