Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-01-23
1992-12-15
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 731, 371 251, 371 683, G01R 3128, G06F 1100
Patent
active
051720477
ABSTRACT:
A semiconductor test apparatus for testing the characteristics of a semiconductor device having a plurality of output pins includes a plurality of level determination devices, arranged in correspondence with respective output pins of the semiconductor device, for determining the output levels from corresponding output pins, a data preparation device for preparing combination data by selectively combining the outputs of the plurality of level determination devices, a retaining device for retaining combination data prepared by the data preparation device, at least two storage devices, each for storing set values, at least two comparison devices, arranged in correspondence with respective storage devices, each for comparing combination data retained in the retaining device with the set values stored in the corresponding storage devices, and a determination device for determining the characteristics of the semiconductor devices from the comparison results of the comparison devices.
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"An Automated Test for High Resolution Analog-to-Digital and Digital-to-Analog Converters", by Souders et al, IEEE, Trans. on Instrum. & Meas., IM-28, #4, Dec. 1979, pp. 239-244.
"LSI Module Test Probe", by Stark, IBM Tech. Disc. Bull., vol. 21, #10, Mar. 1979, pp. 4157-4158.
Burns William J.
Karlsen Ernest F.
Mitsubishi Denki & Kabushiki Kaisha
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