Voltage sequence output circuit

Details Voltage sequence output circuit Voltage sequence output circuit

2011-01-25

2011-01-25

Chang, Daniel D (Department: 2819)

Electronic digital logic circuitry

Tri-state

With field-effect transistor

C326S090000, C713S330000, C307S041000

Reexamination Certificate

active

07876128

ABSTRACT:
A voltage sequence output circuit includes a sequence control circuit and a number of voltage output circuits. The sequence control circuit includes a first NOR gate, and the first NOR gate includes a number of the input terminals. The voltage output circuits each includes an input terminal, an output terminal, and a positively enabled tristate buffer connected between the input terminal and the output terminal thereof. The input terminals of the voltage output circuits is connected to the input terminals of the first NOR gate. If all of input terminals of the voltage output circuits are connected with electronic devices, the positively enabled tristate buffer of the voltage output circuits are enabled. The output terminals of the voltage output circuits sequentially output a voltage.

REFERENCES:
patent: 5646548 (1997-07-01), Yao et al.
patent: 2009188531 (2009-08-01), None

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