AT-SPEED TEST OF FUNCTIONAL MEMORY INTERFACE LOGIC IN DEVICES

AT-SPEED TEST OF FUNCTIONAL MEMORY INTERFACE LOGIC IN DEVICES

Methods to test functional memory interface logic of a core under test utilize a built-in-self-test (BIST) controller to generate test sequences, and a clock-gating circuit to selectively supply the test sequences to a memory input or memory output on the core under test. After an initial data initi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wu, Lei, Varadarajan, Devanathan
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
STATIC STORES
TESTING
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Beschreibung
Zusammenfassung:Methods to test functional memory interface logic of a core under test utilize a built-in-self-test (BIST) controller to generate test sequences, and a clock-gating circuit to selectively supply the test sequences to a memory input or memory output on the core under test. After an initial data initialization of the core under test at BIST mode, an at-speed functional mode is utilized to capture a desired memory output.