Detection of tri-state logic signals

Details Detection of tri-state logic signals Detection of tri-state logic signals

1991-11-25

1995-07-11

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 731, G01R 1512

Patent

active

054324408

ABSTRACT:
The invention concerns utilization of a single pin on an integrated circuit for a dual purpose. First, the pin carries data in a normal manner. Second, the pin carries a test signal, which is used, for example, to trigger a testing circuit into action. The invention receives both the data signals and the test signal. The invention ignores the data signals, and responds only to the test signals.

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