Tutorial 5: Design for Testability of Analog and Mixed-Signal Integrated Circuits


Jose Huertas; IMSE-CNM
A. Rueda; IMSE-CNM

Time & Location

Sunday Afternoon, May 23, 13:15 - 16:15, Location: Junior Ballroom C


This tutorial aims to introduce circuit designers into the problems of making ICs more testable. An efficient test procedure for a complex, mixed-signal ASIC will account for several factors:

These factors worth attention for specific circuits classes, since there is no universal method valid for any kind of analog and/or mixed-signal funtion. In particular, during the presentations making part of this tutorial, attention will be paid to integrated filters (Switched-Capacitor and continuous-time), integrated A/D and D/A converters, and PLLs and oscillators.

In particular, the possibilities offered by techniques using small circuit modifications will be specially focused on the presentations. These Oscillation-based test (OBT) approaches are appealing, from this point of view. They are easily extendable to built-in self-test because OBT doesn’t require external test stimuli and uses a simple measurement. Moreover, OBT approaches work with a multiplexing scheme to probe internal nodes, thus complying with some of the factors just listed.

Presenter Information

José L. Huertas received the Licenciado en Ciencias degree and the Doctor en Físicas degree in 1969 and 1973, respectively, both from the Universidad de Sevilla, Spain. Since 1971, he has been with the Electronics Department, Universidad de Sevilla, Spain, where he is a full Professor since 1981. In 1989, Dr. Huertas joined the Instituto de Microelectrónica de Sevilla, Centro Nacional de Microelectrónica, CSIC, Spain, for which he is the director since then. Dr. Huertas has served as the general chair of the 1993 European Solid-State Circuits Conference, the 1996 Cellular Neural Networks Workshop, and the 2003 Mixed-signal Test Workshop as well as the program co-chair of the 2002 SBCCI. He has co-authored several books and published more than 300 papers in international journals and conferences. His current research interests are focused on the design and test of analog and mixed-signal integrated circuits based in standard CMOS technologies.

Dr. Huertas was an Associate Editor for IEEE Transactions on Circuits and Systems, and is a member of the Editorial Board of the Journal of Analog Integrated Circuits and Signal Processing and of the Journal of the Franklin Institute. He received the 1995 IEEE Guillemin-Cauer award, the 1995 Kelvin prize from IEE, the 1998 Torres-Quevedo prize (Spanish National Award on Technological Research) and the Garcia-Cabrerizo Medal for technological research in 2003. Dr. Huertas is an IEEE Fellow from 1994.

Adoracion Rueda (M’87) obtained the Ph.D. degree in 1982 from the University of Sevilla, Spain. Since 1976, she has been with the Departamento de Electrónica y Electromagnetismo, Universidad de Sevilla, Seville, Spain, where she is now a Full Professor in Electronics. In 1989, she became researcher at the Department of Analog Design of the National Microelectronics Center (CNM), now Institute of Microelectronics at Seville (IMSE).

She has participated in several research projects financed by the Spanish Government, and by different programs of the European Community. She has published many technical papers in international journals and major conferences or books. In 1992 she won the Best Paper Award of the 10th IEEE VLSI Test Symposium. Her research interests currently focus on the topics Design and Test Techniques for Analog and Mixed-Signal Circuits, and Behavioral Modeling of Mixed-Signal Circuits. She is a member of the IEEE and the TTTC, and she has participated in technical or organizing committees for several international conferences and workshops.

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