Current-mode techniques for self-testing analogue circuits

Baturone, I and SanchezSolano, S and Richardson, A M and Huertas, J L (1997) Current-mode techniques for self-testing analogue circuits. In: IDDQ Testing, 1997. Digest of Papers., IEEE International Workshop on. I E E E, COMPUTER SOC PRESS, LOS ALAMITOS, pp. 33-37. ISBN 0-8186-8123-3

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Abstract

The success of I-ddq testing for digital circuits has motivated several groups to investigate if the same or a similar method could be applied to analogue domain. The diverse behavior of analogue circuits regarding quiescent current and the problem of global variations in nominal values are serious handicaps in obtaining a generic current-mode test method to be applied off chip. A promising test procedure is the built-in self-testing (BIST) technique for which circuits with class A behavior are specially suited. This paper focuses on these type of circuits and in particular those based on symmetric OTAs. Two BIST techniques that permit low silicon area overheads, low voltage operation, and negligible influence on the circuit performance are proposed and discussed. Hspice simulations from a 5th order OTA-C elliptic filler show that global fault coverages of 92.2% and 96.6% are achieved by the two techniques.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
50458
Deposited By:
Deposited On:
25 Oct 2011 12:09
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Sep 2023 02:27