Circuit and method for generating level-triggered power up...

Details Circuit and method for generating level-triggered power up... Circuit and method for generating level-triggered power up...

2007-05-22

2007-05-22

Nuton, My-Trang (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S198000, C323S901000

Reexamination Certificate

active

10994567

ABSTRACT:
A power supply voltage follower connected to a power supply is used for proportionally following an increase of a supply voltage to output a power up reset signal. A pulse generation control circuit coupled to the power supply voltage follower is used for discharging the power supply voltage follower when the supply voltage exceeds a predefined threshold voltage, thereby causing the power up reset signal to produce a reset pulse.

REFERENCES:
patent: 5151614 (1992-09-01), Yamazaki et al.
patent: 5321317 (1994-06-01), Pascucci et al.
patent: 5703510 (1997-12-01), Iketani et al.
patent: 6711062 (2004-03-01), Chou

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