Apparatus and method to control self-timed and synchronous...

Details Apparatus and method to control self-timed and synchronous... Apparatus and method to control self-timed and synchronous...

2007-10-16

2007-10-16

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S544000

Reexamination Certificate

active

10750320

ABSTRACT:
An apparatus includes a substrate, a target timing circuit, a leakage timing circuit, and a control unit. The target timing circuit and the leakage timing circuits are formed on the substrate. The target timing circuit has a target timing circuit frequency related to a target frequency. The leakage timing circuit has a leakage timing circuit frequency related to a leakage current. The control unit maintains a substantially constant ratio between the target timing circuit frequency and the leakage timing circuit frequency. A method includes generating a first signal related to a target circuit frequency, generating a second signal related to a leakage current, and adjusting a control signal applied to a substrate to maintain a substantially constant frequency ratio between a first signal and the second signal.

REFERENCES:
patent: 6046937 (2000-04-01), Komori et al.
patent: 6067612 (2000-05-01), Sasaki et al.
patent: 6166577 (2000-12-01), Mizuno et al.
patent: 6333571 (2001-12-01), Teraoka et al.
patent: 6337601 (2002-01-01), Klemmer
patent: 6489833 (2002-12-01), Miyazaki et al.
patent: 6708289 (2004-03-01), Kudo
patent: 6883078 (2005-04-01), Chen

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