BISC Seminar, 18 April 1996, 310 Soda Hall, 4-5:00pm

Michael Lee (
Sat, 13 Apr 1996 07:05:54 +0200

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Michael A. Lee
Post Doctoral Researcher
Berkeley Initiative in Soft Computing              Tel: +1-510-642-9827
Computer Science Division                          Fax: +1-510-642-5775
University of California                    Email:
Berkeley, CA 94720-1776 USA       WWW:

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BISC Seminar, 18 April 1996 310 Soda Hall University of California Berkeley, CA 94720 4:00-5:00pm

Topic: Power Sequencing: A Practical Use of Hardware Fuzzy Logic


Dwight T. Weese Adaptive Logic 800 Charcot Ave. Suite 112 San Jose, CA 95131 408 383 7200 (vox) 408 383 7201 (fax)


With the introduction of the PentiumR Pro (P6) from Intel, point-of-load regulation is required for the Core CPU voltage. Intel recommends that PentiumR I/O and Core voltages should be full on or full off within one second of each other in order to be compatible with future processors. The fixed voltage comparators now used for various power management and supervisory functions are not adequate in this environment. The AL220 PAIC (Programmable Analog IC) is a single chip solution to power sequencing and voltage monitoring problems. The AL220s use of hardware fuzzy logic allows system designers to quickly produce a solution. The process of doing such a design will be discussed as well as other applications for the AL220.