Apparatus and methods for testing circuit board interconnect int

Details Apparatus and methods for testing circuit board interconnect int Apparatus and methods for testing circuit board interconnect int

1992-03-23

1994-02-08

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 731, G01R 1512

Patent

active

052851524

ABSTRACT:
Apparatus for observing circuit nodes in an analog integrated circuit includes a multiplexer connected to a plurality of circuit nodes to be observed, a sample/hold circuit for holding voltages obtained from the selected nodes, and a controller responsive to external signals for controlling the operation of the multiplexer and the sample/hold circuit.

REFERENCES:
patent: 4509008 (1985-04-01), DasGupta et al.
patent: 4697267 (1987-09-01), Wakai
patent: 4701921 (1987-10-01), Powell et al.
patent: 5043985 (1991-08-01), Lin et al.
patent: 5132635 (1992-07-01), Kennedy
"IEEE Standard Test Access Port and Boundary Scan Architecture"; Aug. 17, 1990.

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