External power detect and supply

Details External power detect and supply External power detect and supply

2006-05-16

2006-05-16

Rodriguez, Paul L. (Department: 2123)

Data processing: structural design, modeling, simulation, and em

Emulation

In-circuit emulator

C714S028000

Reexamination Certificate

active

07047181

ABSTRACT:
A power management system and circuit comprising instructions stored in computer memory for the prevention of simultaneous coupling of more than one power source to a device under test (DUT). Instructions stored in memory prevent the simultaneous application of power to the DUT from both the in circuit emulator power grid and an external power source. External power applied to the DUT results in at least one activity signal detected by the computer. If no activity signal appears, a fault condition in the DUT is interpreted. If an activity signal is detected, testing continues under control of Debug Software.

REFERENCES:
patent: 5640337 (1997-06-01), Huang et al.
patent: 6499122 (2002-12-01), Coomes
B. Laquai, H. Richter, H. Werkmann, “A Production-oriented Measurement Method for Fast and Exhaustive Iddq Tests”, IEEE 1997, pp. 279-286.

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