Control circuit and semiconductor integrated circuit device

Details Control circuit and semiconductor integrated circuit device Control circuit and semiconductor integrated circuit device

1998-04-02

2000-11-28

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

327198, 327 7, 327 12, H03L 700

Patent

active

061540706

ABSTRACT:
To form a means preventing a logic circuit from outputting wrong data at uncontrolled, unstable state of power turn-on in a control circuit. The control circuit has two logic circuits therein and takes negative OR or negative AND of output thereof. A first input terminal is connected to an input of an inverter circuit and a second logic circuit; the output of the inverter circuit is connected to the input of the first logic circuit; a second input terminal is connected to the first logic circuit and the second logic circuit; outputs of the first logic circuit and the second logic circuit are connected to inputs of a gate circuit; the output of the gate circuit is connected to a output terminal; and the first logic circuit and the second logic circuit output the opposite level to each other, positive and negative.

REFERENCES:
patent: 3947697 (1976-03-01), Archer et al.
patent: 4451794 (1984-05-01), Yamada
patent: 4600845 (1986-07-01), Mckenna
patent: 5122694 (1992-06-01), Bradford et al.
patent: 5550878 (1996-08-01), Shiraki

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