Re-programmable self-test

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United States of America Patent

PATENT NO 11768240
APP PUB NO 20210333324A1
SERIAL NO

17371464

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Abstract

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A built-in self-test (BIST) method includes providing expanded test patterns to a logic circuit under test, generating a first signature based on a response of the logic circuit to the expanded test patterns, generating a second signature based on the first signature, wherein the second signature is a compressed version of the first signature, selecting one of the first signature or the second signature in response to a control signal, comparing the selected one of the first signature or the second signature to an expected signature, and, based on the comparison of the selected one of the first signature or the second signature to the expected signature, determining that the logic circuit passes or fails BIST.

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Patent Owner(s)

  • TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hales, Alan David Richardson, US 4 69
Simpson, Neil John Rockwall, US 18 32

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