Signature indicating circuit

Details Signature indicating circuit Signature indicating circuit

1989-10-16

1991-07-23

Wieder, Kenneth

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 731, 371 211, 371 151, G01R 3102, G01R 3128

Patent

active

050346873

ABSTRACT:
A circuit for testing signatures at a pin in a CMOS device where this device is operable when it is powered by a voltage within the predetermined range. During the test mode, a task voltage whose magnitude is below that of any voltage in the operating range as applied so that parasitic diode turn-on is prevented.

REFERENCES:
patent: 4625162 (1986-11-01), Bosnyak
patent: 4638243 (1987-01-01), Chan
patent: 4687989 (1987-08-01), Davis et al.
patent: 4714876 (1987-12-01), Gay et al.
patent: 4743841 (1988-05-01), Takeuchi
patent: 4779041 (1988-10-01), Williamson, Jr.
patent: 4835458 (1989-05-01), Kim
patent: 4853628 (1989-08-01), Gouldsbery et al.

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