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A design for test proposal for improving dynamic current testing reliability on regenerative sense amplifiers

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2 Author(s)
Arguelles, J. ; TEISA Dept., Cantabria Univ., Santander, Spain ; Bracho, S.

A design for test method for improving dynamic supply current testing reliability on regenerative sense amplifier structures is described in this paper. This proposal uses a built-in current monitor to represent the supply current through the regenerative sense amplifier by a digital signature, externally analyzed by a digital tester. A fully differential fast comparator circuit has been used as a demonstrator to explore the effectiveness of the proposal. Different catastrophic faults at transistor level were considered and simulation results are discussed.

Published in:

IDDQ Testing, 1997. Digest of Papers., IEEE International Workshop on

Date of Conference:

5-6 Nov. 1997