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Fault detection in CMOS circuits by consumption measurement

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3 Author(s)
Jacomino, M. ; Lab. d''Autom. de Grenoble, Saint-Martin d''Heres, France ; Rainard, J.-L. ; David, R.

Some testing problems in CMOS circuits are presented, including stuck-open and stuck-on faults, bridging faults, and excessive leakage in dynamic CMOS circuits. It is shown that the current consumption of a faulty CMOS circuit is several orders of magnitude greater than that of the fault-free circuit: hence, consumption measurement may be a suitable way of testing. Test by consumption measurement provides improved controllability and observability of some faults in comparison with the logic test

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Instrumentation and Measurement, IEEE Transactions on  (Volume:38 ,  Issue: 3 )