Accessing test modes using command sequences

Details Accessing test modes using command sequences Accessing test modes using command sequences

2007-05-01

2007-05-01

Kerveros, James C (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital logic testing

C714S724000

Reexamination Certificate

active

10930153

ABSTRACT:
An integrated circuit device receives a sequence of commands and enables a test mode of the integrated circuit device in response to the command sequence when all of the commands of the sequence are correct. The integrated circuit device disables the test mode upon receiving an incorrect command of the sequence.

REFERENCES:
patent: 5526311 (1996-06-01), Kreifels
patent: 5703512 (1997-12-01), McClure
patent: 5706232 (1998-01-01), McClure et al.
patent: 6404250 (2002-06-01), Volrath
patent: 6717292 (2004-04-01), Youssef et al.
patent: 6791373 (2004-09-01), Oyama

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