Power-on reset circuit and method

Details Power-on reset circuit and method Power-on reset circuit and method

2005-07-05

2005-07-05

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

Reexamination Certificate

active

06914462

ABSTRACT:
There is provided a power-on reset circuit and method for a semiconductor integrated circuit device using a plurality of power sources, in which a power-on reset operation is stable and reliable, where the power-on reset circuit includes voltage detection circuits for generating at least two voltage detection signals with respect to the power sources, the power-on reset circuit generates a plurality of power-on reset signals using combination logic circuits for performing logic operations of the voltage detection signals, and internal latches and flip-flops are stably reset in response to the plurality of power-on reset signals.

REFERENCES:
patent: 6078201 (2000-06-01), Crotty
patent: 2001/0054921 (2001-12-01), Akiyoshi
patent: 2002/0140468 (2002-10-01), Kato et al.
patent: 2002/0171461 (2002-11-01), Yamazaki et al.
patent: 2001-111466 (2002-12-01), None
English Abstract Only.

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