Power-on-reset circuit based on the threshold levels and...

Details Power-on-reset circuit based on the threshold levels and... Power-on-reset circuit based on the threshold levels and...

2007-03-06

2007-03-06

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

Reexamination Certificate

active

11336915

ABSTRACT:
A system and method for providing a clock-independent reset signal based on supply voltage threshold levels is described. The trip points or predefined voltage levels where the power-on-reset circuit behavior reverses (which controls the reset signal) is determined by the dimensions of the transistors selected for the voltage dividers. The system and method described allows for a clock-independent stable power-up phase while consuming a very small area of a circuit board and, in particular, on integrated circuits.

REFERENCES:
patent: 5144159 (1992-09-01), Frisch et al.
patent: 6236249 (2001-05-01), Choi et al.
patent: 2004/0036514 (2004-02-01), Kwon

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