Circuit for covering initial conditions when starting-up an inte

Details Circuit for covering initial conditions when starting-up an inte Circuit for covering initial conditions when starting-up an inte

1995-01-30

1997-03-18

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

327198, H03L 700

Patent

active

056126417

ABSTRACT:
A circuit for resetting initial conditions upon starting of an integrated circuit device has null current consumption under normal operating conditions. The circuit includes an input stage, which is a threshold circuit, and pilots through an input node an output stage which is a trigger circuit with hysteresis. The input node of the output stage is connected to ground through a condenser and is connected through a transistor to a connection node between a condenser and a diode connected transistor which are inserted between the power supply and ground. The gate terminal of the first transistor is grounded.

REFERENCES:
patent: 4581552 (1986-04-01), Womack et al.
patent: 4746822 (1988-05-01), Mahoney
patent: 5039875 (1991-08-01), Chang
patent: 5115146 (1992-05-01), McClure
patent: 5349244 (1994-09-01), Confalonieri
patent: 5374923 (1994-12-01), Sakamoto

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