Power-on detecting circuit desirable for integrated circuit equi

Details Power-on detecting circuit desirable for integrated circuit equi Power-on detecting circuit desirable for integrated circuit equi

1992-07-13

1994-02-15

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072966, 3072961, H03K 301

Patent

active

052870111

ABSTRACT:
A power-on detecting circuit produces a power-on signal upon power-on event for initializing internal component circuits, and comprises a timing generating unit for producing a timing signal when a power voltage level reaches a predetermined voltage level, a monitoring unit for producing an enable signal when a step-down power voltage level reaches a constant level, and a signal generating unit for producing the power-on signal in the concurrent presence of the enable signal and the timing signal, thereby guaranteeing the initialization of the internal component circuits.

REFERENCES:
patent: 3862437 (1975-01-01), Rossell
patent: 5039875 (1991-08-01), Chang
patent: 5130569 (1992-07-01), Glica
patent: 5184031 (1993-02-01), Hayakawa et al.
patent: 5189316 (1993-02-01), Murakami et al.

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