Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2006-09-19
2006-09-19
Zweizig, Jeffrey (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S543000, C327S536000
Reexamination Certificate
active
07109782
ABSTRACT:
A well bias module outputs a voltage used to bias the wells of transistors or other semiconductor components. The well bias module includes a feedback loop having a voltage generation module and a subthreshold leakage sense module that is operable to model the transistors or other semiconductor components so as to sense the subthreshold leakage resulting from a particular well bias voltage output by the voltage generation module. The subthreshold leakage sense module provides a representation of the sensed subthreshold leakage to the voltage generation module, which adjusts the magnitude of the well bias voltage based on this representation so as to reduce or minimize the subthreshold leakage in the transistors or other semiconductor components.
REFERENCES:
patent: 6172554 (2001-01-01), Young et al.
patent: 6198343 (2001-03-01), Matsuoka
patent: 6486727 (2002-11-01), Kwong
patent: 6496057 (2002-12-01), Wada et al.
patent: 6498737 (2002-12-01), Kuo
patent: 6833749 (2004-12-01), Erstad
patent: 6885234 (2005-04-01), Ando
Ami Agarwal, et al., “Leakage in Nano-Scale Technologies: Mechanisms, Impact and Design Considerations,” Proceedings of the 41stAnnual Conference on Design Automatyion, San Diego, CA, Jun. 7-11, 2004, pp. 6-11.
Freescale Semiconductor Inc.
Zweizig Jeffrey
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