Power-on reset circuit

Details Power-on reset circuit Power-on reset circuit

1994-06-09

1996-05-14

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

327215, 327208, H03K 1722, H03K 3281

Patent

active

055171443

ABSTRACT:
A power-on reset circuit provides the stable generation of a reset signal without being affected by the rising characteristic of a power-supply voltage. A flip-flop having a pair of cross-connected inverters is used, a common connection point between a diode and a capacitor connected to each other in series is connected to a node, which is one output of the flip-flop, an output signal at a node, which is another output of the flip-flip, is supplied to a reset pulse generator via an inverter, so that a reset pulse is generated based on a detected output signal change.

REFERENCES:
patent: 3061942 (1962-10-01), Harrison
patent: 3508081 (1970-04-01), Matsuda
patent: 4001609 (1977-01-01), Sickert
patent: 4169233 (1979-09-01), Haraszti
patent: 4591745 (1986-05-01), Shen
patent: 4698531 (1987-10-01), Jones
patent: 4818904 (1989-04-01), Kobayashi
patent: 4837458 (1989-06-01), Kawahata
patent: 5113098 (1992-05-01), Teymouri
patent: 5311070 (1994-05-01), Dooley
"Self-Initialized, Fused Comparator Utilizing No Standby Power", IBM Technical Disclosure Bulletin, vol. 34, No. 1, Jun., 1991, p. 294.

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