Digital circuits having current mirrors and reduced leakage...

Details Digital circuits having current mirrors and reduced leakage... Digital circuits having current mirrors and reduced leakage...

2007-11-13

2007-11-13

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Interface

Supply voltage level shifting

C326S068000

Reexamination Certificate

active

11204111

ABSTRACT:
A digital circuit such as a level shifter circuit includes a current mirror having first and second current supply transistors configured to provide an output signal to an output node based on an input signal. A leakage current control circuit is configured to maintain the first and second current supply transistors in an off state in response to the output signal. An output compensation circuit coupled to the output node is configured to maintain a voltage level of the output node based on a level of output signal.

REFERENCES:
patent: 6480050 (2002-11-01), Barnes
patent: 7034573 (2006-04-01), Chang
patent: 7112998 (2006-09-01), Ajit
patent: 2002/0009013 (2002-01-01), Lee
patent: 2002/0084802 (2002-07-01), Elamanchili et al.
patent: 07-086913 (1995-03-01), None
patent: 07086913 (1995-03-01), None
patent: 1997-0053879 (1997-07-01), None
patent: 10-2002-9765 (2002-02-01), None
Notice to Submit a Response for Korean Patent Application No. 10-2004-0064237 mailed on Mar. 31, 2006.

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