Multichip module

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – For plural devices

Reexamination Certificate

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C257S724000

Reexamination Certificate

active

06844624

ABSTRACT:
A selector has the first input terminal to which a test signal is given, the second input terminal connected to an output terminal of the first internal logic circuit, and an output terminal connected via a wiring to an input terminal of the second internal logic circuit. Another selector has an input terminal connected to the wiring, another input terminal connected to an output terminal of the second internal logic circuit, and an output terminal connected via another wiring to a signal input terminal of the second internal logic circuit. Each of the selectors selectively outputs a signal given to its first input terminal or a signal given to its second input terminal B based on a test mode signal.

REFERENCES:
patent: 5612946 (1997-03-01), Kanekawa et al.
patent: 5771194 (1998-06-01), Maeno
patent: 5973392 (1999-10-01), Senba et al.
patent: 6426560 (2002-07-01), Kawamura et al.
patent: 6531773 (2003-03-01), Nishizawa et al.
patent: 6696714 (2004-02-01), Hayashi et al.
patent: 6738914 (2004-05-01), Christopher
patent: 2000-22072 (2000-01-01), None

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