Input/output device with fixed value during sleep mode or at...

Electronic digital logic circuitry – Interface – Logic level shifting

Reexamination Certificate

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Details

C326S068000, C326S080000, C326S081000, C327S333000

Reexamination Certificate

active

07545171

ABSTRACT:
An input/output device includes: a level shifter configured to convert an input signal of a first voltage into an output signal of a second voltage; and an output driver configured to operate in response to the output signal. The level shifter is configured to generate the output signal with a predetermined level when the first voltage is interrupted to supply.

REFERENCES:
patent: 6566932 (2003-05-01), Yoon
patent: 6600358 (2003-07-01), Chan
patent: 2002/0153934 (2002-10-01), Yoon
patent: 10-84274 (1998-03-01), None
patent: 2003-17996 (2003-01-01), None
patent: 2002-0080910 (2002-10-01), None

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