Input terminal with combined logic threshold and reset function

Details Input terminal with combined logic threshold and reset function Input terminal with combined logic threshold and reset function

2005-06-07

2005-06-07

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Signal level or switching threshold stabilization

C326S033000, C326S062000, C326S080000

Reexamination Certificate

active

06903569

ABSTRACT:
A circuit receives a first supply voltage on a first terminal where the first supply voltage is used to supply circuitry within the circuit. The circuit includes an input terminal receiving a first signal and an input circuit coupled to the input terminal. The first signal has a logical high value at a second voltage and a logical low value at a third voltage. The second voltage is used to establish a switching threshold of at least some of the input and output signals of the circuit. The input circuit provides a reset signal to circuitry within the circuit causing the circuitry to reset. The reset signal is asserted when the first signal on the input terminal has a logical low value and the third voltage comprises a voltage below a predetermined trigger threshold of the input circuit.

REFERENCES:
patent: 5751166 (1998-05-01), Shieh et al.
patent: 6356582 (2002-03-01), Mazer et al.
patent: 2003/0016062 (2003-01-01), Ahsanullah et al.

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