Integrated circuit test apparatus

Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital logic testing

Reexamination Certificate

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Details

C714S733000

Reexamination Certificate

active

10917403

ABSTRACT:
A fixed-logic signal generated inside an integrated circuit is selectively supplied via selectors (Sm+1 to Sn) to input terminals (INm+1 to INn) of a function macro (1) for receiving signals whose logic levels are fixed to “H” or “L” on at least one test pattern. This eliminates any external input terminal for inputting such fixed-logic signal. When the integrated circuit includes function macros, they can be simultaneously tested with this construction.

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patent: 6424587 (2002-07-01), Hosada
patent: 6463562 (2002-10-01), Otsuka
patent: 6601199 (2003-07-01), Fukuda et al.
patent: 6968436 (2005-11-01), Kumazawa
patent: 09-166646 (1997-06-01), None

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