Power-on reset circuit

Details Power-on reset circuit Power-on reset circuit

1987-11-09

1989-03-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307594, 307592, 307296R, H03K 1722, H03K 1720, H03K 17687, H03K 5153

Patent

active

048126799

ABSTRACT:
A power-on reset circuit includes a trigger voltage generating circuit which, when activated, causes current from a current source to be steered so as to charge a capacitor. When the voltage on the capacitor reaches a predetermined value, a switchable output stage is switched so as to generate the desired power-on reset signal. The trigger voltage generating circuit is responsive to a threshold voltage which tracks the power supply voltage and which is generated by separate circuitry.

REFERENCES:
patent: 4591745 (1986-05-01), Shen
patent: 4633107 (1986-12-01), Norsworthy
patent: 4698531 (1987-10-01), Jones
patent: 4717840 (1988-01-01), Ouyang et al.

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